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-rw-r--r--drivers/hid/Kconfig11
-rw-r--r--drivers/hid/Makefile2
-rw-r--r--drivers/hid/hid-apple.c9
-rw-r--r--drivers/hid/hid-core.c66
-rw-r--r--drivers/hid/hid-icade.c259
-rw-r--r--drivers/hid/hid-ids.h20
-rw-r--r--drivers/hid/hid-input.c97
-rw-r--r--drivers/hid/hid-microsoft.c18
-rw-r--r--drivers/hid/hid-multitouch.c114
-rw-r--r--drivers/hid/hid-picolcd_fb.c2
-rw-r--r--drivers/hid/hid-sensor-hub.c36
-rw-r--r--drivers/hid/hid-wiimote-ext.c2
-rw-r--r--drivers/hid/hidraw.c85
-rw-r--r--drivers/hid/i2c-hid/Kconfig18
-rw-r--r--drivers/hid/i2c-hid/Makefile5
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c979
-rw-r--r--drivers/hid/usbhid/hid-quirks.c3
-rw-r--r--drivers/hid/usbhid/hiddev.c10
18 files changed, 1582 insertions, 154 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 1630150ad2b1..e7d6a13ec6a6 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -265,6 +265,15 @@ config HID_GYRATION
---help---
Support for Gyration remote control.
+config HID_ICADE
+ tristate "ION iCade arcade controller"
+ depends on BT_HIDP
+ ---help---
+ Support for the ION iCade arcade controller to work as a joystick.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hid-icade.
+
config HID_TWINHAN
tristate "Twinhan IR remote control"
depends on USB_HID
@@ -728,4 +737,6 @@ endif # HID
source "drivers/hid/usbhid/Kconfig"
+source "drivers/hid/i2c-hid/Kconfig"
+
endmenu
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index ffe848fd83a4..b62215716b2f 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -52,6 +52,7 @@ obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
obj-$(CONFIG_HID_HOLTEK) += hid-holtek-kbd.o
obj-$(CONFIG_HID_HOLTEK) += hid-holtekff.o
obj-$(CONFIG_HID_HYPERV_MOUSE) += hid-hyperv.o
+obj-$(CONFIG_HID_ICADE) += hid-icade.o
obj-$(CONFIG_HID_KENSINGTON) += hid-kensington.o
obj-$(CONFIG_HID_KEYTOUCH) += hid-keytouch.o
obj-$(CONFIG_HID_KYE) += hid-kye.o
@@ -118,3 +119,4 @@ obj-$(CONFIG_USB_HID) += usbhid/
obj-$(CONFIG_USB_MOUSE) += usbhid/
obj-$(CONFIG_USB_KBD) += usbhid/
+obj-$(CONFIG_I2C_HID) += i2c-hid/
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 06ebdbb6ea02..d0f7662aacca 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -439,7 +439,8 @@ static const struct hid_device_id apple_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
- .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+ .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
+ APPLE_ISO_KEYBOARD },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
APPLE_RDESC_JIS },
@@ -522,6 +523,12 @@ static const struct hid_device_id apple_devices[] = {
.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+ .driver_data = APPLE_HAS_FN },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+ .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
+ .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 9904776a7065..eb2ee11b6412 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -92,6 +92,7 @@ EXPORT_SYMBOL_GPL(hid_register_report);
static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
{
struct hid_field *field;
+ int i;
if (report->maxfield == HID_MAX_FIELDS) {
hid_err(report->device, "too many fields in report\n");
@@ -110,6 +111,9 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned
field->value = (s32 *)(field->usage + usages);
field->report = report;
+ for (i = 0; i < usages; i++)
+ field->usage[i].usage_index = i;
+
return field;
}
@@ -315,6 +319,7 @@ static s32 item_sdata(struct hid_item *item)
static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
{
+ __u32 raw_value;
switch (item->tag) {
case HID_GLOBAL_ITEM_TAG_PUSH:
@@ -365,7 +370,14 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
return 0;
case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
- parser->global.unit_exponent = item_sdata(item);
+ /* Units exponent negative numbers are given through a
+ * two's complement.
+ * See "6.2.2.7 Global Items" for more information. */
+ raw_value = item_udata(item);
+ if (!(raw_value & 0xfffffff0))
+ parser->global.unit_exponent = hid_snto32(raw_value, 4);
+ else
+ parser->global.unit_exponent = raw_value;
return 0;
case HID_GLOBAL_ITEM_TAG_UNIT:
@@ -713,7 +725,12 @@ static int hid_scan_report(struct hid_device *hid)
hid_scan_usage(hid, u);
break;
}
- }
+ } else if (page == HID_UP_SENSOR &&
+ item.type == HID_ITEM_TYPE_MAIN &&
+ item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
+ (item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL &&
+ hid->bus == BUS_USB)
+ hid->group = HID_GROUP_SENSOR_HUB;
}
return 0;
@@ -865,6 +882,12 @@ static s32 snto32(__u32 value, unsigned n)
return value & (1 << (n - 1)) ? value | (-1 << n) : value;
}
+s32 hid_snto32(__u32 value, unsigned n)
+{
+ return snto32(value, n);
+}
+EXPORT_SYMBOL_GPL(hid_snto32);
+
/*
* Convert a signed 32-bit integer to a signed n-bit integer.
*/
@@ -1465,6 +1488,10 @@ EXPORT_SYMBOL_GPL(hid_disconnect);
* there is a proper autodetection and autoloading in place (based on presence
* of HID_DG_CONTACTID), so those devices don't need to be added to this list,
* as we are doing the right thing in hid_scan_usage().
+ *
+ * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
+ * physical is found inside a usage page of type sensor, hid-sensor-hub will be
+ * used as a driver. See hid_scan_report().
*/
static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
@@ -1532,9 +1559,13 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
@@ -1568,10 +1599,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086, USB_DEVICE_ID_SENSOR_HUB_1020) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086, USB_DEVICE_ID_SENSOR_HUB_09FA) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087, USB_DEVICE_ID_SENSOR_HUB_1020) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087, USB_DEVICE_ID_SENSOR_HUB_09FA) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
@@ -1670,7 +1698,6 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
- { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_SENSOR_HUB_7014) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
@@ -2140,13 +2167,21 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ }
};
-static bool hid_ignore(struct hid_device *hdev)
+bool hid_ignore(struct hid_device *hdev)
{
+ if (hdev->quirks & HID_QUIRK_NO_IGNORE)
+ return false;
+ if (hdev->quirks & HID_QUIRK_IGNORE)
+ return true;
+
switch (hdev->vendor) {
case USB_VENDOR_ID_CODEMERCS:
/* ignore all Code Mercenaries IOWarrior devices */
@@ -2183,7 +2218,16 @@ static bool hid_ignore(struct hid_device *hdev)
if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
hdev->type == HID_TYPE_USBNONE)
return true;
- break;
+ break;
+ case USB_VENDOR_ID_DWAV:
+ /* These are handled by usbtouchscreen. hdev->type is probably
+ * HID_TYPE_USBNONE, but we say !HID_TYPE_USBMOUSE to match
+ * usbtouchscreen. */
+ if ((hdev->product == USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER ||
+ hdev->product == USB_DEVICE_ID_DWAV_TOUCHCONTROLLER) &&
+ hdev->type != HID_TYPE_USBMOUSE)
+ return true;
+ break;
}
if (hdev->type == HID_TYPE_USBMOUSE &&
@@ -2192,6 +2236,7 @@ static bool hid_ignore(struct hid_device *hdev)
return !!hid_match_id(hdev, hid_ignore_list);
}
+EXPORT_SYMBOL_GPL(hid_ignore);
int hid_add_device(struct hid_device *hdev)
{
@@ -2203,8 +2248,7 @@ int hid_add_device(struct hid_device *hdev)
/* we need to kill them here, otherwise they will stay allocated to
* wait for coming driver */
- if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
- && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
+ if (hid_ignore(hdev))
return -ENODEV;
/*
diff --git a/drivers/hid/hid-icade.c b/drivers/hid/hid-icade.c
new file mode 100644
index 000000000000..1d6565e37ba3
--- /dev/null
+++ b/drivers/hid/hid-icade.c
@@ -0,0 +1,259 @@
+/*
+ * ION iCade input driver
+ *
+ * Copyright (c) 2012 Bastien Nocera <hadess@hadess.net>
+ * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+/*
+ * ↑ A C Y L
+ * ← →
+ * ↓ B X Z R
+ *
+ *
+ * UP ON,OFF = w,e
+ * RT ON,OFF = d,c
+ * DN ON,OFF = x,z
+ * LT ON,OFF = a,q
+ * A ON,OFF = y,t
+ * B ON,OFF = h,r
+ * C ON,OFF = u,f
+ * X ON,OFF = j,n
+ * Y ON,OFF = i,m
+ * Z ON,OFF = k,p
+ * L ON,OFF = o,g
+ * R ON,OFF = l,v
+ */
+
+/* The translation code uses HID usage instead of input layer
+ * keys. This code generates a lookup table that makes
+ * translation quick.
+ *
+ * #include <linux/input.h>
+ * #include <stdio.h>
+ * #include <assert.h>
+ *
+ * #define unk KEY_UNKNOWN
+ *
+ * < copy of hid_keyboard[] from hid-input.c >
+ *
+ * struct icade_key_translation {
+ * int from;
+ * const char *to;
+ * int press;
+ * };
+ *
+ * static const struct icade_key_translation icade_keys[] = {
+ * { KEY_W, "KEY_UP", 1 },
+ * { KEY_E, "KEY_UP", 0 },
+ * { KEY_D, "KEY_RIGHT", 1 },
+ * { KEY_C, "KEY_RIGHT", 0 },
+ * { KEY_X, "KEY_DOWN", 1 },
+ * { KEY_Z, "KEY_DOWN", 0 },
+ * { KEY_A, "KEY_LEFT", 1 },
+ * { KEY_Q, "KEY_LEFT", 0 },
+ * { KEY_Y, "BTN_A", 1 },
+ * { KEY_T, "BTN_A", 0 },
+ * { KEY_H, "BTN_B", 1 },
+ * { KEY_R, "BTN_B", 0 },
+ * { KEY_U, "BTN_C", 1 },
+ * { KEY_F, "BTN_C", 0 },
+ * { KEY_J, "BTN_X", 1 },
+ * { KEY_N, "BTN_X", 0 },
+ * { KEY_I, "BTN_Y", 1 },
+ * { KEY_M, "BTN_Y", 0 },
+ * { KEY_K, "BTN_Z", 1 },
+ * { KEY_P, "BTN_Z", 0 },
+ * { KEY_O, "BTN_THUMBL", 1 },
+ * { KEY_G, "BTN_THUMBL", 0 },
+ * { KEY_L, "BTN_THUMBR", 1 },
+ * { KEY_V, "BTN_THUMBR", 0 },
+ *
+ * { }
+ * };
+ *
+ * static int
+ * usage_for_key (int key)
+ * {
+ * int i;
+ * for (i = 0; i < 256; i++) {
+ * if (hid_keyboard[i] == key)
+ * return i;
+ * }
+ * assert(0);
+ * }
+ *
+ * int main (int argc, char **argv)
+ * {
+ * const struct icade_key_translation *trans;
+ * int max_usage = 0;
+ *
+ * for (trans = icade_keys; trans->from; trans++) {
+ * int usage = usage_for_key (trans->from);
+ * max_usage = usage > max_usage ? usage : max_usage;
+ * }
+ *
+ * printf ("#define ICADE_MAX_USAGE %d\n\n", max_usage);
+ * printf ("struct icade_key {\n");
+ * printf ("\tu16 to;\n");
+ * printf ("\tu8 press:1;\n");
+ * printf ("};\n\n");
+ * printf ("static const struct icade_key "
+ * "icade_usage_table[%d] = {\n", max_usage + 1);
+ * for (trans = icade_keys; trans->from; trans++) {
+ * printf ("\t[%d] = { %s, %d },\n",
+ * usage_for_key (trans->from), trans->to, trans->press);
+ * }
+ * printf ("};\n");
+ *
+ * return 0;
+ * }
+ */
+
+#define ICADE_MAX_USAGE 29
+
+struct icade_key {
+ u16 to;
+ u8 press:1;
+};
+
+static const struct icade_key icade_usage_table[30] = {
+ [26] = { KEY_UP, 1 },
+ [8] = { KEY_UP, 0 },
+ [7] = { KEY_RIGHT, 1 },
+ [6] = { KEY_RIGHT, 0 },
+ [27] = { KEY_DOWN, 1 },
+ [29] = { KEY_DOWN, 0 },
+ [4] = { KEY_LEFT, 1 },
+ [20] = { KEY_LEFT, 0 },
+ [28] = { BTN_A, 1 },
+ [23] = { BTN_A, 0 },
+ [11] = { BTN_B, 1 },
+ [21] = { BTN_B, 0 },
+ [24] = { BTN_C, 1 },
+ [9] = { BTN_C, 0 },
+ [13] = { BTN_X, 1 },
+ [17] = { BTN_X, 0 },
+ [12] = { BTN_Y, 1 },
+ [16] = { BTN_Y, 0 },
+ [14] = { BTN_Z, 1 },
+ [19] = { BTN_Z, 0 },
+ [18] = { BTN_THUMBL, 1 },
+ [10] = { BTN_THUMBL, 0 },
+ [15] = { BTN_THUMBR, 1 },
+ [25] = { BTN_THUMBR, 0 },
+};
+
+static const struct icade_key *icade_find_translation(u16 from)
+{
+ if (from < 0 || from > ICADE_MAX_USAGE)
+ return NULL;
+ return &icade_usage_table[from];
+}
+
+static int icade_event(struct hid_device *hdev, struct hid_field *field,
+ struct hid_usage *usage, __s32 value)
+{
+ const struct icade_key *trans;
+
+ if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
+ !usage->type)
+ return 0;
+
+ /* We ignore the fake key up, and act only on key down */
+ if (!value)
+ return 1;
+
+ trans = icade_find_translation(usage->hid & HID_USAGE);
+
+ if (!trans)
+ return 1;
+
+ input_event(field->hidinput->input, usage->type,
+ trans->to, trans->press);
+
+ return 1;
+}
+
+static int icade_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ const struct icade_key *trans;
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_KEYBOARD) {
+ trans = icade_find_translation(usage->hid & HID_USAGE);
+
+ if (!trans)
+ return -1;
+
+ hid_map_usage(hi, usage, bit, max, EV_KEY, trans->to);
+ set_bit(trans->to, hi->input->keybit);
+
+ return 1;
+ }
+
+ /* ignore others */
+ return -1;
+
+}
+
+static int icade_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if (usage->type == EV_KEY)
+ set_bit(usage->type, hi->input->evbit);
+
+ return -1;
+}
+
+static const struct hid_device_id icade_devices[] = {
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
+
+ { }
+};
+MODULE_DEVICE_TABLE(hid, icade_devices);
+
+static struct hid_driver icade_driver = {
+ .name = "icade",
+ .id_table = icade_devices,
+ .event = icade_event,
+ .input_mapped = icade_input_mapped,
+ .input_mapping = icade_input_mapping,
+};
+
+static int __init icade_init(void)
+{
+ int ret;
+
+ ret = hid_register_driver(&icade_driver);
+ if (ret)
+ pr_err("can't register icade driver\n");
+
+ return ret;
+}
+
+static void __exit icade_exit(void)
+{
+ hid_unregister_driver(&icade_driver);
+}
+
+module_init(icade_init);
+module_exit(icade_exit);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
+MODULE_DESCRIPTION("ION iCade input driver");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 71806edaad2e..4dfa605e2d14 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -118,6 +118,9 @@
#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252
#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253
#define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b
#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249
#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a
#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b
@@ -254,6 +257,7 @@
#define USB_VENDOR_ID_DWAV 0x0eef
#define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER 0x0001
+#define USB_DEVICE_ID_DWAV_TOUCHCONTROLLER 0x0002
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D 0x480d
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E 0x480e
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207 0x7207
@@ -420,6 +424,9 @@
#define USB_VENDOR_ID_ILITEK 0x222a
#define USB_DEVICE_ID_ILITEK_MULTITOUCH 0x0001
+#define USB_VENDOR_ID_ION 0x15e4
+#define USB_DEVICE_ID_ICADE 0x0132
+
#define USB_VENDOR_ID_HOLTEK 0x1241
#define USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP 0x5015
@@ -429,11 +436,6 @@
#define USB_VENDOR_ID_IMATION 0x0718
#define USB_DEVICE_ID_DISC_STAKKA 0xd000
-#define USB_VENDOR_ID_INTEL_8086 0x8086
-#define USB_VENDOR_ID_INTEL_8087 0x8087
-#define USB_DEVICE_ID_SENSOR_HUB_1020 0x1020
-#define USB_DEVICE_ID_SENSOR_HUB_09FA 0x09FA
-
#define USB_VENDOR_ID_IRTOUCHSYSTEMS 0x6615
#define USB_DEVICE_ID_IRTOUCH_INFRARED_USB 0x0070
@@ -600,6 +602,7 @@
#define USB_VENDOR_ID_NOVATEK 0x0603
#define USB_DEVICE_ID_NOVATEK_PCT 0x0600
+#define USB_DEVICE_ID_NOVATEK_MOUSE 0x1602
#define USB_VENDOR_ID_NTRIG 0x1b96
#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001
@@ -695,6 +698,9 @@
#define USB_VENDOR_ID_SIGMA_MICRO 0x1c4f
#define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD 0x0002
+#define USB_VENDOR_ID_SIGMATEL 0x066F
+#define USB_DEVICE_ID_SIGMATEL_STMP3780 0x3780
+
#define USB_VENDOR_ID_SKYCABLE 0x1223
#define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER 0x3F07
@@ -713,7 +719,6 @@
#define USB_VENDOR_ID_STANTUM_STM 0x0483
#define USB_DEVICE_ID_MTP_STM 0x3261
-#define USB_DEVICE_ID_SENSOR_HUB_7014 0x7014
#define USB_VENDOR_ID_STANTUM_SITRONIX 0x1403
#define USB_DEVICE_ID_MTP_SITRONIX 0x5001
@@ -761,6 +766,9 @@
#define USB_VENDOR_ID_TOUCHPACK 0x1bfd
#define USB_DEVICE_ID_TOUCHPACK_RTS 0x1688
+#define USB_VENDOR_ID_TPV 0x25aa
+#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN 0x8883
+
#define USB_VENDOR_ID_TURBOX 0x062a
#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
#define USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART 0x7100
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index d917c0d53685..21b196c394b1 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -192,7 +192,6 @@ static int hidinput_setkeycode(struct input_dev *dev,
return -EINVAL;
}
-
/**
* hidinput_calc_abs_res - calculate an absolute axis resolution
* @field: the HID report field to calculate resolution for
@@ -208,7 +207,7 @@ static int hidinput_setkeycode(struct input_dev *dev,
* Only exponent 1 length units are processed. Centimeters and inches are
* converted to millimeters. Degrees are converted to radians.
*/
-static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
{
__s32 unit_exponent = field->unit_exponent;
__s32 logical_extents = field->logical_maximum -
@@ -229,17 +228,29 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
case ABS_X:
case ABS_Y:
case ABS_Z:
- if (field->unit == 0x11) { /* If centimeters */
+ case ABS_MT_POSITION_X:
+ case ABS_MT_POSITION_Y:
+ case ABS_MT_TOOL_X:
+ case ABS_MT_TOOL_Y:
+ case ABS_MT_TOUCH_MAJOR:
+ case ABS_MT_TOUCH_MINOR:
+ if (field->unit & 0xffffff00) /* Not a length */
+ return 0;
+ unit_exponent += hid_snto32(field->unit >> 4, 4) - 1;
+ switch (field->unit & 0xf) {
+ case 0x1: /* If centimeters */
/* Convert to millimeters */
unit_exponent += 1;
- } else if (field->unit == 0x13) { /* If inches */
+ break;
+ case 0x3: /* If inches */
/* Convert to millimeters */
prev = physical_extents;
physical_extents *= 254;
if (physical_extents < prev)
return 0;
unit_exponent -= 1;
- } else {
+ break;
+ default:
return 0;
}
break;
@@ -281,8 +292,9 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
}
/* Calculate resolution */
- return logical_extents / physical_extents;
+ return DIV_ROUND_CLOSEST(logical_extents, physical_extents);
}
+EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
#ifdef CONFIG_HID_BATTERY_STRENGTH
static enum power_supply_property hidinput_battery_props[] = {
@@ -299,6 +311,9 @@ static enum power_supply_property hidinput_battery_props[] = {
static const struct hid_device_id hid_battery_quirks[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
+ HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
@@ -502,9 +517,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
if (code <= 0xf)
code += BTN_JOYSTICK;
else
- code += BTN_TRIGGER_HAPPY;
+ code += BTN_TRIGGER_HAPPY - 0x10;
+ break;
+ case HID_GD_GAMEPAD:
+ if (code <= 0xf)
+ code += BTN_GAMEPAD;
+ else
+ code += BTN_TRIGGER_HAPPY - 0x10;
break;
- case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
default:
switch (field->physical) {
case HID_GD_MOUSE:
@@ -1146,6 +1166,38 @@ static void report_features(struct hid_device *hid)
}
}
+static struct hid_input *hidinput_allocate(struct hid_device *hid)
+{
+ struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+ struct input_dev *input_dev = input_allocate_device();
+ if (!hidinput || !input_dev) {
+ kfree(hidinput);
+ input_free_device(input_dev);
+ hid_err(hid, "Out of memory during hid input probe\n");
+ return NULL;
+ }
+
+ input_set_drvdata(input_dev, hid);
+ input_dev->event = hid->ll_driver->hidinput_input_event;
+ input_dev->open = hidinput_open;
+ input_dev->close = hidinput_close;
+ input_dev->setkeycode = hidinput_setkeycode;
+ input_dev->getkeycode = hidinput_getkeycode;
+
+ input_dev->name = hid->name;
+ input_dev->phys = hid->phys;
+ input_dev->uniq = hid->uniq;
+ input_dev->id.bustype = hid->bus;
+ input_dev->id.vendor = hid->vendor;
+ input_dev->id.product = hid->product;
+ input_dev->id.version = hid->version;
+ input_dev->dev.parent = hid->dev.parent;
+ hidinput->input = input_dev;
+ list_add_tail(&hidinput->list, &hid->inputs);
+
+ return hidinput;
+}
+
/*
* Register the input device; print a message.
* Configure the input layer interface
@@ -1157,7 +1209,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
struct hid_driver *drv = hid->driver;
struct hid_report *report;
struct hid_input *hidinput = NULL;
- struct input_dev *input_dev;
int i, j, k;
INIT_LIST_HEAD(&hid->inputs);
@@ -1188,33 +1239,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
continue;
if (!hidinput) {
- hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!hidinput || !input_dev) {
- kfree(hidinput);
- input_free_device(input_dev);
- hid_err(hid, "Out of memory during hid input probe\n");
+ hidinput = hidinput_allocate(hid);
+ if (!hidinput)
goto out_unwind;
- }
-
- input_set_drvdata(input_dev, hid);
- input_dev->event =
- hid->ll_driver->hidinput_input_event;
- input_dev->open = hidinput_open;
- input_dev->close = hidinput_close;
- input_dev->setkeycode = hidinput_setkeycode;
- input_dev->getkeycode = hidinput_getkeycode;
-
- input_dev->name = hid->name;
- input_dev->phys = hid->phys;
- input_dev->uniq = hid->uniq;
- input_dev->id.bustype = hid->bus;
- input_dev->id.vendor = hid->vendor;
- input_dev->id.product = hid->product;
- input_dev->id.version = hid->version;
- input_dev->dev.parent = hid->dev.parent;
- hidinput->input = input_dev;
- list_add_tail(&hidinput->list, &hid->inputs);
}
for (i = 0; i < report->maxfield; i++)
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index 3acdcfcc17df..6fcd466d0825 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -28,22 +28,30 @@
#define MS_RDESC 0x08
#define MS_NOGET 0x10
#define MS_DUPLICATE_USAGES 0x20
+#define MS_RDESC_3K 0x40
-/*
- * Microsoft Wireless Desktop Receiver (Model 1028) has
- * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
- */
static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ /*
+ * Microsoft Wireless Desktop Receiver (Model 1028) has
+ * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
+ */
if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
rdesc[559] == 0x29) {
hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
rdesc[557] = 0x35;
rdesc[559] = 0x45;
}
+ /* the same as above (s/usage/physical/) */
+ if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+ rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
+ rdesc[97] == 0xff) {
+ rdesc[94] = 0x35;
+ rdesc[96] = 0x45;
+ }
return rdesc;
}
@@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
.driver_data = MS_PRESENTER },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
- .driver_data = MS_ERGONOMY },
+ .driver_data = MS_ERGONOMY | MS_RDESC_3K },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
.driver_data = MS_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3eb02b94fc87..61543c02ea0b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -52,11 +52,14 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
#define MT_QUIRK_NO_AREA (1 << 9)
+#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
+#define MT_QUIRK_HOVERING (1 << 11)
struct mt_slot {
- __s32 x, y, p, w, h;
+ __s32 x, y, cx, cy, p, w, h;
__s32 contactid; /* the device ContactID assigned to this slot */
bool touch_state; /* is the touch valid? */
+ bool inrange_state; /* is the finger in proximity of the sensor? */
};
struct mt_class {
@@ -121,6 +124,7 @@ struct mt_device {
#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
#define MT_DEFAULT_MAXCONTACT 10
+#define MT_MAX_MAXCONTACT 250
#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
@@ -210,8 +214,7 @@ static struct mt_class mt_classes[] = {
},
{ .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
- MT_QUIRK_SLOT_IS_CONTACTNUMBER,
- .maxcontacts = 10
+ MT_QUIRK_SLOT_IS_CONTACTNUMBER
},
{ .name = MT_CLS_FLATFROG,
@@ -283,11 +286,26 @@ static void mt_feature_mapping(struct hid_device *hdev,
case HID_DG_CONTACTMAX:
td->maxcontact_report_id = field->report->id;
td->maxcontacts = field->value[0];
+ if (!td->maxcontacts &&
+ field->logical_maximum <= MT_MAX_MAXCONTACT)
+ td->maxcontacts = field->logical_maximum;
if (td->mtclass.maxcontacts)
/* check if the maxcontacts is given by the class */
td->maxcontacts = td->mtclass.maxcontacts;
break;
+ case 0xff0000c5:
+ if (field->report_count == 256 && field->report_size == 8) {
+ /* Win 8 devices need special quirks */
+ __s32 *quirks = &td->mtclass.quirks;
+ *quirks |= MT_QUIRK_ALWAYS_VALID;
+ *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
+ *quirks |= MT_QUIRK_HOVERING;
+ *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
+ *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
+ *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
+ }
+ break;
}
}
@@ -298,6 +316,7 @@ static void set_abs(struct input_dev *input, unsigned int code,
int fmax = field->logical_maximum;
int fuzz = snratio ? (fmax - fmin) / snratio : 0;
input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
+ input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
}
static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
@@ -318,6 +337,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct mt_device *td = hid_get_drvdata(hdev);
struct mt_class *cls = &td->mtclass;
int code;
+ struct hid_usage *prev_usage = NULL;
/* Only map fields from TouchScreen or TouchPad collections.
* We need to ignore fields that belong to other collections
@@ -340,23 +360,42 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
if (field->physical == HID_DG_STYLUS)
return -1;
+ if (usage->usage_index)
+ prev_usage = &field->usage[usage->usage_index - 1];
+
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
- hid_map_usage(hi, usage, bit, max,
+ if (prev_usage && (prev_usage->hid == usage->hid)) {
+ hid_map_usage(hi, usage, bit, max,
+ EV_ABS, ABS_MT_TOOL_X);
+ set_abs(hi->input, ABS_MT_TOOL_X, field,
+ cls->sn_move);
+ } else {
+ hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_X);
- set_abs(hi->input, ABS_MT_POSITION_X, field,
- cls->sn_move);
+ set_abs(hi->input, ABS_MT_POSITION_X, field,
+ cls->sn_move);
+ }
+
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
case HID_GD_Y:
- hid_map_usage(hi, usage, bit, max,
+ if (prev_usage && (prev_usage->hid == usage->hid)) {
+ hid_map_usage(hi, usage, bit, max,
+ EV_ABS, ABS_MT_TOOL_Y);
+ set_abs(hi->input, ABS_MT_TOOL_Y, field,
+ cls->sn_move);
+ } else {
+ hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_Y);
- set_abs(hi->input, ABS_MT_POSITION_Y, field,
- cls->sn_move);
+ set_abs(hi->input, ABS_MT_POSITION_Y, field,
+ cls->sn_move);
+ }
+
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -366,6 +405,12 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_UP_DIGITIZER:
switch (usage->hid) {
case HID_DG_INRANGE:
+ if (cls->quirks & MT_QUIRK_HOVERING) {
+ hid_map_usage(hi, usage, bit, max,
+ EV_ABS, ABS_MT_DISTANCE);
+ input_set_abs_params(hi->input,
+ ABS_MT_DISTANCE, 0, 1, 0, 0);
+ }
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -421,11 +466,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
* contact max are global to the report */
td->last_field_index = field->index;
return -1;
- }
case HID_DG_TOUCH:
/* Legacy devices use TIPSWITCH and not TOUCH.
* Let's just ignore this field. */
return -1;
+ }
/* let hid-input decide for the others */
return 0;
@@ -478,18 +523,26 @@ static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
*/
static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
{
- if (td->curvalid) {
+ if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
int slotnum = mt_compute_slot(td, input);
struct mt_slot *s = &td->curdata;
+ struct input_mt *mt = input->mt;
if (slotnum < 0 || slotnum >= td->maxcontacts)
return;
+ if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
+ struct input_mt_slot *slot = &mt->slots[slotnum];
+ if (input_mt_is_active(slot) &&
+ input_mt_is_used(mt, slot))
+ return;
+ }
+
input_mt_slot(input, slotnum);
input_mt_report_slot_state(input, MT_TOOL_FINGER,
- s->touch_state);
- if (s->touch_state) {
- /* this finger is on the screen */
+ s->touch_state || s->inrange_state);
+ if (s->touch_state || s->inrange_state) {
+ /* this finger is in proximity of the sensor */
int wide = (s->w > s->h);
/* divided by two to match visual scale of touch */
int major = max(s->w, s->h) >> 1;
@@ -497,6 +550,10 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
+ input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
+ input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
+ input_event(input, EV_ABS, ABS_MT_DISTANCE,
+ !s->touch_state);
input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
@@ -527,10 +584,10 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
if (hid->claimed & HID_CLAIMED_INPUT) {
switch (usage->hid) {
case HID_DG_INRANGE:
- if (quirks & MT_QUIRK_ALWAYS_VALID)
- td->curvalid = true;
- else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
+ if (quirks & MT_QUIRK_VALID_IS_INRANGE)
td->curvalid = value;
+ if (quirks & MT_QUIRK_HOVERING)
+ td->curdata.inrange_state = value;
break;
case HID_DG_TIPSWITCH:
if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
@@ -548,10 +605,16 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
td->curdata.p = value;
break;
case HID_GD_X:
- td->curdata.x = value;
+ if (usage->code == ABS_MT_TOOL_X)
+ td->curdata.cx = value;
+ else
+ td->curdata.x = value;
break;
case HID_GD_Y:
- td->curdata.y = value;
+ if (usage->code == ABS_MT_TOOL_Y)
+ td->curdata.cy = value;
+ else
+ td->curdata.y = value;
break;
case HID_DG_WIDTH:
td->curdata.w = value;
@@ -576,12 +639,15 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
return 0;
}
- if (usage->hid == td->last_slot_field)
- mt_complete_slot(td, field->hidinput->input);
+ if (usage->usage_index + 1 == field->report_count) {
+ /* we only take into account the last report. */
+ if (usage->hid == td->last_slot_field)
+ mt_complete_slot(td, field->hidinput->input);
- if (field->index == td->last_field_index
- && td->num_received >= td->num_expected)
- mt_sync_frame(td, field->hidinput->input);
+ if (field->index == td->last_field_index
+ && td->num_received >= td->num_expected)
+ mt_sync_frame(td, field->hidinput->input);
+ }
}
diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index 0008a512211d..eb003574b634 100644
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -608,7 +608,7 @@ void picolcd_exit_framebuffer(struct picolcd_data *data)
/* make sure there is no running update - thus that fbdata->picolcd
* once obtained under lock is guaranteed not to get free() under
* the feet of the deferred work */
- flush_delayed_work_sync(&info->deferred_work);
+ flush_delayed_work(&info->deferred_work);
data->fb_info = NULL;
unregister_framebuffer(info);
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index d9d73e9163eb..0bc58bd8d4f5 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -82,23 +82,6 @@ struct hid_sensor_hub_callbacks_list {
void *priv;
};
-static int sensor_hub_check_for_sensor_page(struct hid_device *hdev)
-{
- int i;
- int ret = -EINVAL;
-
- for (i = 0; i < hdev->maxcollection; i++) {
- struct hid_collection *col = &hdev->collection[i];
- if (col->type == HID_COLLECTION_PHYSICAL &&
- (col->usage & HID_USAGE_PAGE) == HID_UP_SENSOR) {
- ret = 0;
- break;
- }
- }
-
- return ret;
-}
-
static struct hid_report *sensor_hub_report(int id, struct hid_device *hdev,
int dir)
{
@@ -437,9 +420,6 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
ptr = raw_data;
ptr++; /*Skip report id*/
- if (!report)
- goto err_report;
-
spin_lock_irqsave(&pdata->lock, flags);
for (i = 0; i < report->maxfield; ++i) {
@@ -485,7 +465,6 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
callback->pdev);
spin_unlock_irqrestore(&pdata->lock, flags);
-err_report:
return 1;
}
@@ -524,10 +503,6 @@ static int sensor_hub_probe(struct hid_device *hdev,
hid_err(hdev, "parse failed\n");
goto err_free;
}
- if (sensor_hub_check_for_sensor_page(hdev) < 0) {
- hid_err(hdev, "sensor page not found\n");
- goto err_free;
- }
INIT_LIST_HEAD(&hdev->inputs);
ret = hid_hw_start(hdev, 0);
@@ -630,16 +605,7 @@ static void sensor_hub_remove(struct hid_device *hdev)
}
static const struct hid_device_id sensor_hub_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086,
- USB_DEVICE_ID_SENSOR_HUB_1020) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087,
- USB_DEVICE_ID_SENSOR_HUB_1020) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086,
- USB_DEVICE_ID_SENSOR_HUB_09FA) },
- { HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087,
- USB_DEVICE_ID_SENSOR_HUB_09FA) },
- { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
- USB_DEVICE_ID_SENSOR_HUB_7014) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_SENSOR_HUB, HID_ANY_ID, HID_ANY_ID) },
{ }
};
MODULE_DEVICE_TABLE(hid, sensor_hub_devices);
diff --git a/drivers/hid/hid-wiimote-ext.c b/drivers/hid/hid-wiimote-ext.c
index bc85bf29062e..38ae87772e96 100644
--- a/drivers/hid/hid-wiimote-ext.c
+++ b/drivers/hid/hid-wiimote-ext.c
@@ -229,7 +229,7 @@ static void wiiext_worker(struct work_struct *work)
/* schedule work only once, otherwise mark for reschedule */
static void wiiext_schedule(struct wiimote_ext *ext)
{
- queue_work(system_nrt_wq, &ext->worker);
+ schedule_work(&ext->worker);
}
/*
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 17d15bb610d1..413a73187d33 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -42,7 +42,6 @@ static struct cdev hidraw_cdev;
static struct class *hidraw_class;
static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES];
static DEFINE_MUTEX(minors_lock);
-static void drop_ref(struct hidraw *hid, int exists_bit);
static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
{
@@ -58,10 +57,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
set_current_state(TASK_INTERRUPTIBLE);
while (list->head == list->tail) {
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- break;
- }
if (signal_pending(current)) {
ret = -ERESTARTSYS;
break;
@@ -70,6 +65,10 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
ret = -EIO;
break;
}
+ if (file->f_flags & O_NONBLOCK) {
+ ret = -EAGAIN;
+ break;
+ }
/* allow O_NONBLOCK to work well from other threads */
mutex_unlock(&list->read_mutex);
@@ -114,7 +113,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
__u8 *buf;
int ret = 0;
- if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+ if (!hidraw_table[minor]) {
ret = -ENODEV;
goto out;
}
@@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
}
mutex_lock(&minors_lock);
- if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+ if (!hidraw_table[minor]) {
err = -ENODEV;
goto out_unlock;
}
@@ -296,15 +295,46 @@ out:
}
+static int hidraw_fasync(int fd, struct file *file, int on)
+{
+ struct hidraw_list *list = file->private_data;
+
+ return fasync_helper(fd, file, on, &list->fasync);
+}
+
static int hidraw_release(struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
+ struct hidraw *dev;
struct hidraw_list *list = file->private_data;
+ int ret;
+ int i;
+
+ mutex_lock(&minors_lock);
+ if (!hidraw_table[minor]) {
+ ret = -ENODEV;
+ goto unlock;
+ }
- drop_ref(hidraw_table[minor], 0);
list_del(&list->node);
+ dev = hidraw_table[minor];
+ if (!--dev->open) {
+ if (list->hidraw->exist) {
+ hid_hw_power(dev->hid, PM_HINT_NORMAL);
+ hid_hw_close(dev->hid);
+ } else {
+ kfree(list->hidraw);
+ }
+ }
+
+ for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i)
+ kfree(list->buffer[i].value);
kfree(list);
- return 0;
+ ret = 0;
+unlock:
+ mutex_unlock(&minors_lock);
+
+ return ret;
}
static long hidraw_ioctl(struct file *file, unsigned int cmd,
@@ -415,6 +445,7 @@ static const struct file_operations hidraw_ops = {
.open = hidraw_open,
.release = hidraw_release,
.unlocked_ioctl = hidraw_ioctl,
+ .fasync = hidraw_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = hidraw_ioctl,
#endif
@@ -506,7 +537,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect);
void hidraw_disconnect(struct hid_device *hid)
{
struct hidraw *hidraw = hid->hidraw;
- drop_ref(hidraw, 1);
+
+ mutex_lock(&minors_lock);
+ hidraw->exist = 0;
+
+ device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+
+ hidraw_table[hidraw->minor] = NULL;
+
+ if (hidraw->open) {
+ hid_hw_close(hid);
+ wake_up_interruptible(&hidraw->wait);
+ } else {
+ kfree(hidraw);
+ }
+ mutex_unlock(&minors_lock);
}
EXPORT_SYMBOL_GPL(hidraw_disconnect);
@@ -555,23 +600,3 @@ void hidraw_exit(void)
unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
}
-
-static void drop_ref(struct hidraw *hidraw, int exists_bit)
-{
- mutex_lock(&minors_lock);
- if (exists_bit) {
- hid_hw_close(hidraw->hid);
- hidraw->exist = 0;
- if (hidraw->open)
- wake_up_interruptible(&hidraw->wait);
- } else {
- --hidraw->open;
- }
-
- if (!hidraw->open && !hidraw->exist) {
- device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
- hidraw_table[hidraw->minor] = NULL;
- kfree(hidraw);
- }
- mutex_unlock(&minors_lock);
-}
diff --git a/drivers/hid/i2c-hid/Kconfig b/drivers/hid/i2c-hid/Kconfig
new file mode 100644
index 000000000000..b66617a020bd
--- /dev/null
+++ b/drivers/hid/i2c-hid/Kconfig
@@ -0,0 +1,18 @@
+menu "I2C HID support"
+ depends on I2C
+
+config I2C_HID
+ tristate "HID over I2C transport layer"
+ default n
+ depends on I2C && INPUT
+ select HID
+ ---help---
+ Say Y here if you use a keyboard, a touchpad, a touchscreen, or any
+ other HID based devices which is connected to your computer via I2C.
+
+ If unsure, say N.
+
+ This support is also available as a module. If so, the module
+ will be called i2c-hid.
+
+endmenu
diff --git a/drivers/hid/i2c-hid/Makefile b/drivers/hid/i2c-hid/Makefile
new file mode 100644
index 000000000000..832d8f9aaba2
--- /dev/null
+++ b/drivers/hid/i2c-hid/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the I2C input drivers
+#
+
+obj-$(CONFIG_I2C_HID) += i2c-hid.o
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
new file mode 100644
index 000000000000..9ef222442ca0
--- /dev/null
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -0,0 +1,979 @@
+/*
+ * HID over I2C protocol implementation
+ *
+ * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
+ * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France
+ * Copyright (c) 2012 Red Hat, Inc
+ *
+ * This code is partly based on "USB HID support for Linux":
+ *
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ * Copyright (c) 2007-2008 Oliver Neukum
+ * Copyright (c) 2006-2010 Jiri Kosina
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/wait.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/hid.h>
+#include <linux/mutex.h>
+
+#include <linux/i2c/i2c-hid.h>
+
+/* flags */
+#define I2C_HID_STARTED (1 << 0)
+#define I2C_HID_RESET_PENDING (1 << 1)
+#define I2C_HID_READ_PENDING (1 << 2)
+
+#define I2C_HID_PWR_ON 0x00
+#define I2C_HID_PWR_SLEEP 0x01
+
+/* debug option */
+static bool debug;
+module_param(debug, bool, 0444);
+MODULE_PARM_DESC(debug, "print a lot of debug information");
+
+#define i2c_hid_dbg(ihid, fmt, arg...) \
+do { \
+ if (debug) \
+ dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \
+} while (0)
+
+struct i2c_hid_desc {
+ __le16 wHIDDescLength;
+ __le16 bcdVersion;
+ __le16 wReportDescLength;
+ __le16 wReportDescRegister;
+ __le16 wInputRegister;
+ __le16 wMaxInputLength;
+ __le16 wOutputRegister;
+ __le16 wMaxOutputLength;
+ __le16 wCommandRegister;
+ __le16 wDataRegister;
+ __le16 wVendorID;
+ __le16 wProductID;
+ __le16 wVersionID;
+ __le32 reserved;
+} __packed;
+
+struct i2c_hid_cmd {
+ unsigned int registerIndex;
+ __u8 opcode;
+ unsigned int length;
+ bool wait;
+};
+
+union command {
+ u8 data[0];
+ struct cmd {
+ __le16 reg;
+ __u8 reportTypeID;
+ __u8 opcode;
+ } __packed c;
+};
+
+#define I2C_HID_CMD(opcode_) \
+ .opcode = opcode_, .length = 4, \
+ .registerIndex = offsetof(struct i2c_hid_desc, wCommandRegister)
+
+/* fetch HID descriptor */
+static const struct i2c_hid_cmd hid_descr_cmd = { .length = 2 };
+/* fetch report descriptors */
+static const struct i2c_hid_cmd hid_report_descr_cmd = {
+ .registerIndex = offsetof(struct i2c_hid_desc,
+ wReportDescRegister),
+ .opcode = 0x00,
+ .length = 2 };
+/* commands */
+static const struct i2c_hid_cmd hid_reset_cmd = { I2C_HID_CMD(0x01),
+ .wait = true };
+static const struct i2c_hid_cmd hid_get_report_cmd = { I2C_HID_CMD(0x02) };
+static const struct i2c_hid_cmd hid_set_report_cmd = { I2C_HID_CMD(0x03) };
+static const struct i2c_hid_cmd hid_set_power_cmd = { I2C_HID_CMD(0x08) };
+
+/*
+ * These definitions are not used here, but are defined by the spec.
+ * Keeping them here for documentation purposes.
+ *
+ * static const struct i2c_hid_cmd hid_get_idle_cmd = { I2C_HID_CMD(0x04) };
+ * static const struct i2c_hid_cmd hid_set_idle_cmd = { I2C_HID_CMD(0x05) };
+ * static const struct i2c_hid_cmd hid_get_protocol_cmd = { I2C_HID_CMD(0x06) };
+ * static const struct i2c_hid_cmd hid_set_protocol_cmd = { I2C_HID_CMD(0x07) };
+ */
+
+static DEFINE_MUTEX(i2c_hid_open_mut);
+
+/* The main device structure */
+struct i2c_hid {
+ struct i2c_client *client; /* i2c client */
+ struct hid_device *hid; /* pointer to corresponding HID dev */
+ union {
+ __u8 hdesc_buffer[sizeof(struct i2c_hid_desc)];
+ struct i2c_hid_desc hdesc; /* the HID Descriptor */
+ };
+ __le16 wHIDDescRegister; /* location of the i2c
+ * register of the HID
+ * descriptor. */
+ unsigned int bufsize; /* i2c buffer size */
+ char *inbuf; /* Input buffer */
+ char *cmdbuf; /* Command buffer */
+ char *argsbuf; /* Command arguments buffer */
+
+ unsigned long flags; /* device flags */
+
+ wait_queue_head_t wait; /* For waiting the interrupt */
+};
+
+static int __i2c_hid_command(struct i2c_client *client,
+ const struct i2c_hid_cmd *command, u8 reportID,
+ u8 reportType, u8 *args, int args_len,
+ unsigned char *buf_recv, int data_len)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ union command *cmd = (union command *)ihid->cmdbuf;
+ int ret;
+ struct i2c_msg msg[2];
+ int msg_num = 1;
+
+ int length = command->length;
+ bool wait = command->wait;
+ unsigned int registerIndex = command->registerIndex;
+
+ /* special case for hid_descr_cmd */
+ if (command == &hid_descr_cmd) {
+ cmd->c.reg = ihid->wHIDDescRegister;
+ } else {
+ cmd->data[0] = ihid->hdesc_buffer[registerIndex];
+ cmd->data[1] = ihid->hdesc_buffer[registerIndex + 1];
+ }
+
+ if (length > 2) {
+ cmd->c.opcode = command->opcode;
+ cmd->c.reportTypeID = reportID | reportType << 4;
+ }
+
+ memcpy(cmd->data + length, args, args_len);
+ length += args_len;
+
+ i2c_hid_dbg(ihid, "%s: cmd=%*ph\n", __func__, length, cmd->data);
+
+ msg[0].addr = client->addr;
+ msg[0].flags = client->flags & I2C_M_TEN;
+ msg[0].len = length;
+ msg[0].buf = cmd->data;
+ if (data_len > 0) {
+ msg[1].addr = client->addr;
+ msg[1].flags = client->flags & I2C_M_TEN;
+ msg[1].flags |= I2C_M_RD;
+ msg[1].len = data_len;
+ msg[1].buf = buf_recv;
+ msg_num = 2;
+ set_bit(I2C_HID_READ_PENDING, &ihid->flags);
+ }
+
+ if (wait)
+ set_bit(I2C_HID_RESET_PENDING, &ihid->flags);
+
+ ret = i2c_transfer(client->adapter, msg, msg_num);
+
+ if (data_len > 0)
+ clear_bit(I2C_HID_READ_PENDING, &ihid->flags);
+
+ if (ret != msg_num)
+ return ret < 0 ? ret : -EIO;
+
+ ret = 0;
+
+ if (wait) {
+ i2c_hid_dbg(ihid, "%s: waiting...\n", __func__);
+ if (!wait_event_timeout(ihid->wait,
+ !test_bit(I2C_HID_RESET_PENDING, &ihid->flags),
+ msecs_to_jiffies(5000)))
+ ret = -ENODATA;
+ i2c_hid_dbg(ihid, "%s: finished.\n", __func__);
+ }
+
+ return ret;
+}
+
+static int i2c_hid_command(struct i2c_client *client,
+ const struct i2c_hid_cmd *command,
+ unsigned char *buf_recv, int data_len)
+{
+ return __i2c_hid_command(client, command, 0, 0, NULL, 0,
+ buf_recv, data_len);
+}
+
+static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,
+ u8 reportID, unsigned char *buf_recv, int data_len)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ u8 args[3];
+ int ret;
+ int args_len = 0;
+ u16 readRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ if (reportID >= 0x0F) {
+ args[args_len++] = reportID;
+ reportID = 0x0F;
+ }
+
+ args[args_len++] = readRegister & 0xFF;
+ args[args_len++] = readRegister >> 8;
+
+ ret = __i2c_hid_command(client, &hid_get_report_cmd, reportID,
+ reportType, args, args_len, buf_recv, data_len);
+ if (ret) {
+ dev_err(&client->dev,
+ "failed to retrieve report from device.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
+ u8 reportID, unsigned char *buf, size_t data_len)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ u8 *args = ihid->argsbuf;
+ int ret;
+ u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
+
+ /* hidraw already checked that data_len < HID_MAX_BUFFER_SIZE */
+ u16 size = 2 /* size */ +
+ (reportID ? 1 : 0) /* reportID */ +
+ data_len /* buf */;
+ int args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
+ 2 /* dataRegister */ +
+ size /* args */;
+ int index = 0;
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ if (reportID >= 0x0F) {
+ args[index++] = reportID;
+ reportID = 0x0F;
+ }
+
+ args[index++] = dataRegister & 0xFF;
+ args[index++] = dataRegister >> 8;
+
+ args[index++] = size & 0xFF;
+ args[index++] = size >> 8;
+
+ if (reportID)
+ args[index++] = reportID;
+
+ memcpy(&args[index], buf, data_len);
+
+ ret = __i2c_hid_command(client, &hid_set_report_cmd, reportID,
+ reportType, args, args_len, NULL, 0);
+ if (ret) {
+ dev_err(&client->dev, "failed to set a report to device.\n");
+ return ret;
+ }
+
+ return data_len;
+}
+
+static int i2c_hid_set_power(struct i2c_client *client, int power_state)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret;
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,
+ 0, NULL, 0, NULL, 0);
+ if (ret)
+ dev_err(&client->dev, "failed to change power setting.\n");
+
+ return ret;
+}
+
+static int i2c_hid_hwreset(struct i2c_client *client)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret;
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+ if (ret)
+ return ret;
+
+ i2c_hid_dbg(ihid, "resetting...\n");
+
+ ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);
+ if (ret) {
+ dev_err(&client->dev, "failed to reset device.\n");
+ i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void i2c_hid_get_input(struct i2c_hid *ihid)
+{
+ int ret, ret_size;
+ int size = le16_to_cpu(ihid->hdesc.wMaxInputLength);
+
+ ret = i2c_master_recv(ihid->client, ihid->inbuf, size);
+ if (ret != size) {
+ if (ret < 0)
+ return;
+
+ dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n",
+ __func__, ret, size);
+ return;
+ }
+
+ ret_size = ihid->inbuf[0] | ihid->inbuf[1] << 8;
+
+ if (!ret_size) {
+ /* host or device initiated RESET completed */
+ if (test_and_clear_bit(I2C_HID_RESET_PENDING, &ihid->flags))
+ wake_up(&ihid->wait);
+ return;
+ }
+
+ if (ret_size > size) {
+ dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
+ __func__, size, ret_size);
+ return;
+ }
+
+ i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf);
+
+ if (test_bit(I2C_HID_STARTED, &ihid->flags))
+ hid_input_report(ihid->hid, HID_INPUT_REPORT, ihid->inbuf + 2,
+ ret_size - 2, 1);
+
+ return;
+}
+
+static irqreturn_t i2c_hid_irq(int irq, void *dev_id)
+{
+ struct i2c_hid *ihid = dev_id;
+
+ if (test_bit(I2C_HID_READ_PENDING, &ihid->flags))
+ return IRQ_HANDLED;
+
+ i2c_hid_get_input(ihid);
+
+ return IRQ_HANDLED;
+}
+
+static int i2c_hid_get_report_length(struct hid_report *report)
+{
+ return ((report->size - 1) >> 3) + 1 +
+ report->device->report_enum[report->type].numbered + 2;
+}
+
+static void i2c_hid_init_report(struct hid_report *report, u8 *buffer,
+ size_t bufsize)
+{
+ struct hid_device *hid = report->device;
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ unsigned int size, ret_size;
+
+ size = i2c_hid_get_report_length(report);
+ if (i2c_hid_get_report(client,
+ report->type == HID_FEATURE_REPORT ? 0x03 : 0x01,
+ report->id, buffer, size))
+ return;
+
+ i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, ihid->inbuf);
+
+ ret_size = buffer[0] | (buffer[1] << 8);
+
+ if (ret_size != size) {
+ dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n",
+ __func__, size, ret_size);
+ return;
+ }
+
+ /* hid->driver_lock is held as we are in probe function,
+ * we just need to setup the input fields, so using
+ * hid_report_raw_event is safe. */
+ hid_report_raw_event(hid, report->type, buffer + 2, size - 2, 1);
+}
+
+/*
+ * Initialize all reports
+ */
+static void i2c_hid_init_reports(struct hid_device *hid)
+{
+ struct hid_report *report;
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ u8 *inbuf = kzalloc(ihid->bufsize, GFP_KERNEL);
+
+ if (!inbuf) {
+ dev_err(&client->dev, "can not retrieve initial reports\n");
+ return;
+ }
+
+ list_for_each_entry(report,
+ &hid->report_enum[HID_INPUT_REPORT].report_list, list)
+ i2c_hid_init_report(report, inbuf, ihid->bufsize);
+
+ list_for_each_entry(report,
+ &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
+ i2c_hid_init_report(report, inbuf, ihid->bufsize);
+
+ kfree(inbuf);
+}
+
+/*
+ * Traverse the supplied list of reports and find the longest
+ */
+static void i2c_hid_find_max_report(struct hid_device *hid, unsigned int type,
+ unsigned int *max)
+{
+ struct hid_report *report;
+ unsigned int size;
+
+ /* We should not rely on wMaxInputLength, as some devices may set it to
+ * a wrong length. */
+ list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
+ size = i2c_hid_get_report_length(report);
+ if (*max < size)
+ *max = size;
+ }
+}
+
+static void i2c_hid_free_buffers(struct i2c_hid *ihid)
+{
+ kfree(ihid->inbuf);
+ kfree(ihid->argsbuf);
+ kfree(ihid->cmdbuf);
+ ihid->inbuf = NULL;
+ ihid->cmdbuf = NULL;
+ ihid->argsbuf = NULL;
+ ihid->bufsize = 0;
+}
+
+static int i2c_hid_alloc_buffers(struct i2c_hid *ihid, size_t report_size)
+{
+ /* the worst case is computed from the set_report command with a
+ * reportID > 15 and the maximum report length */
+ int args_len = sizeof(__u8) + /* optional ReportID byte */
+ sizeof(__u16) + /* data register */
+ sizeof(__u16) + /* size of the report */
+ report_size; /* report */
+
+ ihid->inbuf = kzalloc(report_size, GFP_KERNEL);
+ ihid->argsbuf = kzalloc(args_len, GFP_KERNEL);
+ ihid->cmdbuf = kzalloc(sizeof(union command) + args_len, GFP_KERNEL);
+
+ if (!ihid->inbuf || !ihid->argsbuf || !ihid->cmdbuf) {
+ i2c_hid_free_buffers(ihid);
+ return -ENOMEM;
+ }
+
+ ihid->bufsize = report_size;
+
+ return 0;
+}
+
+static int i2c_hid_get_raw_report(struct hid_device *hid,
+ unsigned char report_number, __u8 *buf, size_t count,
+ unsigned char report_type)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ size_t ret_count, ask_count;
+ int ret;
+
+ if (report_type == HID_OUTPUT_REPORT)
+ return -EINVAL;
+
+ /* +2 bytes to include the size of the reply in the query buffer */
+ ask_count = min(count + 2, (size_t)ihid->bufsize);
+
+ ret = i2c_hid_get_report(client,
+ report_type == HID_FEATURE_REPORT ? 0x03 : 0x01,
+ report_number, ihid->inbuf, ask_count);
+
+ if (ret < 0)
+ return ret;
+
+ ret_count = ihid->inbuf[0] | (ihid->inbuf[1] << 8);
+
+ if (ret_count <= 2)
+ return 0;
+
+ ret_count = min(ret_count, ask_count);
+
+ /* The query buffer contains the size, dropping it in the reply */
+ count = min(count, ret_count - 2);
+ memcpy(buf, ihid->inbuf + 2, count);
+
+ return count;
+}
+
+static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
+ size_t count, unsigned char report_type)
+{
+ struct i2c_client *client = hid->driver_data;
+ int report_id = buf[0];
+
+ if (report_type == HID_INPUT_REPORT)
+ return -EINVAL;
+
+ return i2c_hid_set_report(client,
+ report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
+ report_id, buf, count);
+}
+
+static int i2c_hid_parse(struct hid_device *hid)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ struct i2c_hid_desc *hdesc = &ihid->hdesc;
+ unsigned int rsize;
+ char *rdesc;
+ int ret;
+ int tries = 3;
+
+ i2c_hid_dbg(ihid, "entering %s\n", __func__);
+
+ rsize = le16_to_cpu(hdesc->wReportDescLength);
+ if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
+ dbg_hid("weird size of report descriptor (%u)\n", rsize);
+ return -EINVAL;
+ }
+
+ do {
+ ret = i2c_hid_hwreset(client);
+ if (ret)
+ msleep(1000);
+ } while (tries-- > 0 && ret);
+
+ if (ret)
+ return ret;
+
+ rdesc = kzalloc(rsize, GFP_KERNEL);
+
+ if (!rdesc) {
+ dbg_hid("couldn't allocate rdesc memory\n");
+ return -ENOMEM;
+ }
+
+ i2c_hid_dbg(ihid, "asking HID report descriptor\n");
+
+ ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize);
+ if (ret) {
+ hid_err(hid, "reading report descriptor failed\n");
+ kfree(rdesc);
+ return -EIO;
+ }
+
+ i2c_hid_dbg(ihid, "Report Descriptor: %*ph\n", rsize, rdesc);
+
+ ret = hid_parse_report(hid, rdesc, rsize);
+ kfree(rdesc);
+ if (ret) {
+ dbg_hid("parsing report descriptor failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int i2c_hid_start(struct hid_device *hid)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret;
+ unsigned int bufsize = HID_MIN_BUFFER_SIZE;
+
+ i2c_hid_find_max_report(hid, HID_INPUT_REPORT, &bufsize);
+ i2c_hid_find_max_report(hid, HID_OUTPUT_REPORT, &bufsize);
+ i2c_hid_find_max_report(hid, HID_FEATURE_REPORT, &bufsize);
+
+ if (bufsize > ihid->bufsize) {
+ i2c_hid_free_buffers(ihid);
+
+ ret = i2c_hid_alloc_buffers(ihid, bufsize);
+
+ if (ret)
+ return ret;
+ }
+
+ if (!(hid->quirks & HID_QUIRK_NO_INIT_REPORTS))
+ i2c_hid_init_reports(hid);
+
+ return 0;
+}
+
+static void i2c_hid_stop(struct hid_device *hid)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+
+ hid->claimed = 0;
+
+ i2c_hid_free_buffers(ihid);
+}
+
+static int i2c_hid_open(struct hid_device *hid)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret = 0;
+
+ mutex_lock(&i2c_hid_open_mut);
+ if (!hid->open++) {
+ ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+ if (ret) {
+ hid->open--;
+ goto done;
+ }
+ set_bit(I2C_HID_STARTED, &ihid->flags);
+ }
+done:
+ mutex_unlock(&i2c_hid_open_mut);
+ return ret;
+}
+
+static void i2c_hid_close(struct hid_device *hid)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+
+ /* protecting hid->open to make sure we don't restart
+ * data acquistion due to a resumption we no longer
+ * care about
+ */
+ mutex_lock(&i2c_hid_open_mut);
+ if (!--hid->open) {
+ clear_bit(I2C_HID_STARTED, &ihid->flags);
+
+ /* Save some power */
+ i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ }
+ mutex_unlock(&i2c_hid_open_mut);
+}
+
+static int i2c_hid_power(struct hid_device *hid, int lvl)
+{
+ struct i2c_client *client = hid->driver_data;
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret = 0;
+
+ i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl);
+
+ switch (lvl) {
+ case PM_HINT_FULLON:
+ ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+ break;
+ case PM_HINT_NORMAL:
+ ret = i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ break;
+ }
+ return ret;
+}
+
+static int i2c_hid_hidinput_input_event(struct input_dev *dev,
+ unsigned int type, unsigned int code, int value)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+ struct hid_field *field;
+ int offset;
+
+ if (type == EV_FF)
+ return input_ff_event(dev, type, code, value);
+
+ if (type != EV_LED)
+ return -1;
+
+ offset = hidinput_find_field(hid, type, code, &field);
+
+ if (offset == -1) {
+ hid_warn(dev, "event field not found\n");
+ return -1;
+ }
+
+ return hid_set_field(field, offset, value);
+}
+
+static struct hid_ll_driver i2c_hid_ll_driver = {
+ .parse = i2c_hid_parse,
+ .start = i2c_hid_start,
+ .stop = i2c_hid_stop,
+ .open = i2c_hid_open,
+ .close = i2c_hid_close,
+ .power = i2c_hid_power,
+ .hidinput_input_event = i2c_hid_hidinput_input_event,
+};
+
+static int __devinit i2c_hid_init_irq(struct i2c_client *client)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ int ret;
+
+ dev_dbg(&client->dev, "Requesting IRQ: %d\n", client->irq);
+
+ ret = request_threaded_irq(client->irq, NULL, i2c_hid_irq,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ client->name, ihid);
+ if (ret < 0) {
+ dev_warn(&client->dev,
+ "Could not register for %s interrupt, irq = %d,"
+ " ret = %d\n",
+ client->name, client->irq, ret);
+
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __devinit i2c_hid_fetch_hid_descriptor(struct i2c_hid *ihid)
+{
+ struct i2c_client *client = ihid->client;
+ struct i2c_hid_desc *hdesc = &ihid->hdesc;
+ unsigned int dsize;
+ int ret;
+
+ /* Fetch the length of HID description, retrieve the 4 first bytes:
+ * bytes 0-1 -> length
+ * bytes 2-3 -> bcdVersion (has to be 1.00) */
+ ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer, 4);
+
+ i2c_hid_dbg(ihid, "%s, ihid->hdesc_buffer: %*ph\n",
+ __func__, 4, ihid->hdesc_buffer);
+
+ if (ret) {
+ dev_err(&client->dev,
+ "unable to fetch the size of HID descriptor (ret=%d)\n",
+ ret);
+ return -ENODEV;
+ }
+
+ dsize = le16_to_cpu(hdesc->wHIDDescLength);
+ /*
+ * the size of the HID descriptor should at least contain
+ * its size and the bcdVersion (4 bytes), and should not be greater
+ * than sizeof(struct i2c_hid_desc) as we directly fill this struct
+ * through i2c_hid_command.
+ */
+ if (dsize < 4 || dsize > sizeof(struct i2c_hid_desc)) {
+ dev_err(&client->dev, "weird size of HID descriptor (%u)\n",
+ dsize);
+ return -ENODEV;
+ }
+
+ /* check bcdVersion == 1.0 */
+ if (le16_to_cpu(hdesc->bcdVersion) != 0x0100) {
+ dev_err(&client->dev,
+ "unexpected HID descriptor bcdVersion (0x%04hx)\n",
+ le16_to_cpu(hdesc->bcdVersion));
+ return -ENODEV;
+ }
+
+ i2c_hid_dbg(ihid, "Fetching the HID descriptor\n");
+
+ ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer,
+ dsize);
+ if (ret) {
+ dev_err(&client->dev, "hid_descr_cmd Fail\n");
+ return -ENODEV;
+ }
+
+ i2c_hid_dbg(ihid, "HID Descriptor: %*ph\n", dsize, ihid->hdesc_buffer);
+
+ return 0;
+}
+
+static int __devinit i2c_hid_probe(struct i2c_client *client,
+ const struct i2c_device_id *dev_id)
+{
+ int ret;
+ struct i2c_hid *ihid;
+ struct hid_device *hid;
+ __u16 hidRegister;
+ struct i2c_hid_platform_data *platform_data = client->dev.platform_data;
+
+ dbg_hid("HID probe called for i2c 0x%02x\n", client->addr);
+
+ if (!platform_data) {
+ dev_err(&client->dev, "HID register address not provided\n");
+ return -EINVAL;
+ }
+
+ if (!client->irq) {
+ dev_err(&client->dev,
+ "HID over i2c has not been provided an Int IRQ\n");
+ return -EINVAL;
+ }
+
+ ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL);
+ if (!ihid)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, ihid);
+
+ ihid->client = client;
+
+ hidRegister = platform_data->hid_descriptor_address;
+ ihid->wHIDDescRegister = cpu_to_le16(hidRegister);
+
+ init_waitqueue_head(&ihid->wait);
+
+ /* we need to allocate the command buffer without knowing the maximum
+ * size of the reports. Let's use HID_MIN_BUFFER_SIZE, then we do the
+ * real computation later. */
+ ret = i2c_hid_alloc_buffers(ihid, HID_MIN_BUFFER_SIZE);
+ if (ret < 0)
+ goto err;
+
+ ret = i2c_hid_fetch_hid_descriptor(ihid);
+ if (ret < 0)
+ goto err;
+
+ ret = i2c_hid_init_irq(client);
+ if (ret < 0)
+ goto err;
+
+ hid = hid_allocate_device();
+ if (IS_ERR(hid)) {
+ ret = PTR_ERR(hid);
+ goto err_irq;
+ }
+
+ ihid->hid = hid;
+
+ hid->driver_data = client;
+ hid->ll_driver = &i2c_hid_ll_driver;
+ hid->hid_get_raw_report = i2c_hid_get_raw_report;
+ hid->hid_output_raw_report = i2c_hid_output_raw_report;
+ hid->dev.parent = &client->dev;
+ hid->bus = BUS_I2C;
+ hid->version = le16_to_cpu(ihid->hdesc.bcdVersion);
+ hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID);
+ hid->product = le16_to_cpu(ihid->hdesc.wProductID);
+
+ snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX",
+ client->name, hid->vendor, hid->product);
+
+ ret = hid_add_device(hid);
+ if (ret) {
+ if (ret != -ENODEV)
+ hid_err(client, "can't add hid device: %d\n", ret);
+ goto err_mem_free;
+ }
+
+ return 0;
+
+err_mem_free:
+ hid_destroy_device(hid);
+
+err_irq:
+ free_irq(client->irq, ihid);
+
+err:
+ i2c_hid_free_buffers(ihid);
+ kfree(ihid);
+ return ret;
+}
+
+static int __devexit i2c_hid_remove(struct i2c_client *client)
+{
+ struct i2c_hid *ihid = i2c_get_clientdata(client);
+ struct hid_device *hid;
+
+ hid = ihid->hid;
+ hid_destroy_device(hid);
+
+ free_irq(client->irq, ihid);
+
+ if (ihid->bufsize)
+ i2c_hid_free_buffers(ihid);
+
+ kfree(ihid);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int i2c_hid_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+
+ /* Save some power */
+ i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+
+ return 0;
+}
+
+static int i2c_hid_resume(struct device *dev)
+{
+ int ret;
+ struct i2c_client *client = to_i2c_client(dev);
+
+ ret = i2c_hid_hwreset(client);
+ if (ret)
+ return ret;
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(i2c_hid_pm, i2c_hid_suspend, i2c_hid_resume);
+
+static const struct i2c_device_id i2c_hid_id_table[] = {
+ { "hid", 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, i2c_hid_id_table);
+
+
+static struct i2c_driver i2c_hid_driver = {
+ .driver = {
+ .name = "i2c_hid",
+ .owner = THIS_MODULE,
+ .pm = &i2c_hid_pm,
+ },
+
+ .probe = i2c_hid_probe,
+ .remove = __devexit_p(i2c_hid_remove),
+
+ .id_table = i2c_hid_id_table,
+};
+
+module_i2c_driver(i2c_hid_driver);
+
+MODULE_DESCRIPTION("HID over I2C core driver");
+MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 11c7932dc7e6..ac9e35228254 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -72,6 +72,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
@@ -79,9 +80,11 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 14599e256791..87bd64959a91 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -361,10 +361,6 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);
while (list->head == list->tail) {
- if (file->f_flags & O_NONBLOCK) {
- retval = -EAGAIN;
- break;
- }
if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
@@ -373,6 +369,10 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
retval = -EIO;
break;
}
+ if (file->f_flags & O_NONBLOCK) {
+ retval = -EAGAIN;
+ break;
+ }
/* let O_NONBLOCK tasks run */
mutex_unlock(&list->thread_lock);
@@ -625,7 +625,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
break;
case HIDIOCAPPLICATION:
- if (arg < 0 || arg >= hid->maxapplication)
+ if (arg >= hid->maxapplication)
break;
for (i = 0; i < hid->maxcollection; i++)
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-15 12:56:46 +0000