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| author | Ari Savolainen <ari.m.savolainen@gmail.com> | 2011-07-11 21:42:52 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-12 10:31:56 +0200 |
| commit | 23c10becdbc712de3fb35d0c7ec105a81d21f4c7 (patch) | |
| tree | 2ce8e66c6509fbf449940e23f86d6c14824ec33a /drivers/hid | |
| parent | 6be914f11db8e88d11b08d6c496624dbbd642d80 (diff) | |
| download | linux-23c10becdbc712de3fb35d0c7ec105a81d21f4c7.tar.gz linux-23c10becdbc712de3fb35d0c7ec105a81d21f4c7.tar.bz2 linux-23c10becdbc712de3fb35d0c7ec105a81d21f4c7.zip | |
HID: fix horizontal wheel for ms comfort mouse 4500
Microsoft comfort mouse 4500 report descriptor contains duplicate
usages for horizontal wheel. This patch fixes the wrong mapping
caused by that.
Signed-off-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-ids.h | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-microsoft.c | 26 |
2 files changed, 22 insertions, 5 deletions
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 8c00e4a261a9..2c8594767191 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -472,6 +472,7 @@ #define USB_DEVICE_ID_MS_PRESENTER_8K_BT 0x0701 #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 +#define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c #define USB_VENDOR_ID_MOJO 0x8282 #define USB_DEVICE_ID_RETRO_ADAPTER 0x3201 diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index df91791f88d3..e5c699b6c6f3 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -23,11 +23,12 @@ #include "hid-ids.h" -#define MS_HIDINPUT 0x01 -#define MS_ERGONOMY 0x02 -#define MS_PRESENTER 0x04 -#define MS_RDESC 0x08 -#define MS_NOGET 0x10 +#define MS_HIDINPUT 0x01 +#define MS_ERGONOMY 0x02 +#define MS_PRESENTER 0x04 +#define MS_RDESC 0x08 +#define MS_NOGET 0x10 +#define MS_DUPLICATE_USAGES 0x20 /* * Microsoft Wireless Desktop Receiver (Model 1028) has @@ -109,6 +110,18 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, return 0; } +static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (quirks & MS_DUPLICATE_USAGES) + clear_bit(usage->code, *bit); + + return 0; +} + static int ms_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { @@ -183,6 +196,8 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_ERGONOMY }, { 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), + .driver_data = MS_DUPLICATE_USAGES }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), .driver_data = MS_PRESENTER }, @@ -195,6 +210,7 @@ static struct hid_driver ms_driver = { .id_table = ms_devices, .report_fixup = ms_report_fixup, .input_mapping = ms_input_mapping, + .input_mapped = ms_input_mapped, .event = ms_event, .probe = ms_probe, }; |