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author | Michał Kępień <kernel@kempniu.pl> | 2017-03-20 10:32:22 +0100 |
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committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-13 10:14:30 -0700 |
commit | 527483a8e1cf6c78b4e15545d57013d9a958482a (patch) | |
tree | 85cdbf60e3144fa0a8566aa708040e02f7974117 | |
parent | f66735f8f8fb8d18e41288a74e73dc5e354331c9 (diff) | |
download | linux-stable-527483a8e1cf6c78b4e15545d57013d9a958482a.tar.gz linux-stable-527483a8e1cf6c78b4e15545d57013d9a958482a.tar.bz2 linux-stable-527483a8e1cf6c78b4e15545d57013d9a958482a.zip |
platform/x86: fujitsu-laptop: use a sparse keymap for hotkey event generation
Simplify hotkey event generation by using a sparse keymap. As sparse
keymap operates on scancodes instead of keycodes, adjust variable names
and debug messages accordingly.
This patch only handles the default keymap for clarity.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
[dvhart: correct flag passed to call_fext_func in acpi_fujitsu_laptop_notify]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
-rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 111 |
1 files changed, 41 insertions, 70 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 74da588ed871..979f160babcd 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -756,9 +756,22 @@ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) /* ACPI device for hotkey handling */ +static const struct key_entry keymap_default[] = { + { KE_KEY, KEY1_CODE, { KEY_PROG1 } }, + { KE_KEY, KEY2_CODE, { KEY_PROG2 } }, + { KE_KEY, KEY3_CODE, { KEY_PROG3 } }, + { KE_KEY, KEY4_CODE, { KEY_PROG4 } }, + { KE_KEY, KEY5_CODE, { KEY_RFKILL } }, + { KE_KEY, BIT(26), { KEY_TOUCHPAD_TOGGLE } }, + { KE_END, 0 } +}; + +static const struct key_entry *keymap = keymap_default; + static int acpi_fujitsu_laptop_input_setup(struct acpi_device *device) { struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device); + int ret; fujitsu_laptop->input = devm_input_allocate_device(&device->dev); if (!fujitsu_laptop->input) @@ -772,14 +785,9 @@ static int acpi_fujitsu_laptop_input_setup(struct acpi_device *device) fujitsu_laptop->input->id.bustype = BUS_HOST; fujitsu_laptop->input->id.product = 0x06; - set_bit(EV_KEY, fujitsu_laptop->input->evbit); - set_bit(fujitsu_bl->keycode1, fujitsu_laptop->input->keybit); - set_bit(fujitsu_bl->keycode2, fujitsu_laptop->input->keybit); - set_bit(fujitsu_bl->keycode3, fujitsu_laptop->input->keybit); - set_bit(fujitsu_bl->keycode4, fujitsu_laptop->input->keybit); - set_bit(fujitsu_bl->keycode5, fujitsu_laptop->input->keybit); - set_bit(KEY_TOUCHPAD_TOGGLE, fujitsu_laptop->input->keybit); - set_bit(KEY_UNKNOWN, fujitsu_laptop->input->keybit); + ret = sparse_keymap_setup(fujitsu_laptop->input, keymap, NULL); + if (ret) + return ret; return input_register_device(fujitsu_laptop->input); } @@ -995,61 +1003,54 @@ static int acpi_fujitsu_laptop_remove(struct acpi_device *device) return 0; } -static void acpi_fujitsu_laptop_press(int keycode) +static void acpi_fujitsu_laptop_press(int scancode) { struct input_dev *input = fujitsu_laptop->input; int status; status = kfifo_in_locked(&fujitsu_laptop->fifo, - (unsigned char *)&keycode, sizeof(keycode), + (unsigned char *)&scancode, sizeof(scancode), &fujitsu_laptop->fifo_lock); - if (status != sizeof(keycode)) { + if (status != sizeof(scancode)) { vdbg_printk(FUJLAPTOP_DBG_WARN, - "Could not push keycode [0x%x]\n", keycode); + "Could not push scancode [0x%x]\n", scancode); return; } - input_report_key(input, keycode, 1); - input_sync(input); + sparse_keymap_report_event(input, scancode, 1, false); vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Push keycode into ringbuffer [%d]\n", keycode); + "Push scancode into ringbuffer [0x%x]\n", scancode); } static void acpi_fujitsu_laptop_release(void) { struct input_dev *input = fujitsu_laptop->input; - int keycode, status; + int scancode, status; while (true) { status = kfifo_out_locked(&fujitsu_laptop->fifo, - (unsigned char *)&keycode, - sizeof(keycode), + (unsigned char *)&scancode, + sizeof(scancode), &fujitsu_laptop->fifo_lock); - if (status != sizeof(keycode)) + if (status != sizeof(scancode)) return; - input_report_key(input, keycode, 0); - input_sync(input); + sparse_keymap_report_event(input, scancode, 0, false); vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Pop keycode from ringbuffer [%d]\n", keycode); + "Pop scancode from ringbuffer [0x%x]\n", scancode); } } static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) { struct input_dev *input; - int keycode; - unsigned int irb = 1; - int i; + int scancode, i = 0; + unsigned int irb; input = fujitsu_laptop->input; if (event != ACPI_FUJITSU_NOTIFY_CODE1) { - keycode = KEY_UNKNOWN; vdbg_printk(FUJLAPTOP_DBG_WARN, "Unsupported event [0x%x]\n", event); - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); + sparse_keymap_report_event(input, -1, 1, true); return; } @@ -1057,40 +1058,16 @@ static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) fujitsu_laptop->flags_state = call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); - i = 0; - while ((irb = - call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0 - && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { - switch (irb & 0x4ff) { - case KEY1_CODE: - keycode = fujitsu_bl->keycode1; - break; - case KEY2_CODE: - keycode = fujitsu_bl->keycode2; - break; - case KEY3_CODE: - keycode = fujitsu_bl->keycode3; - break; - case KEY4_CODE: - keycode = fujitsu_bl->keycode4; - break; - case KEY5_CODE: - keycode = fujitsu_bl->keycode5; - break; - case 0: - keycode = 0; - break; - default: + while ((irb = call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0 && + i++ < MAX_HOTKEY_RINGBUFFER_SIZE) { + scancode = irb & 0x4ff; + if (sparse_keymap_entry_from_scancode(input, scancode)) + acpi_fujitsu_laptop_press(scancode); + else if (scancode == 0) + acpi_fujitsu_laptop_release(); + else vdbg_printk(FUJLAPTOP_DBG_WARN, "Unknown GIRB result [%x]\n", irb); - keycode = -1; - break; - } - - if (keycode > 0) - acpi_fujitsu_laptop_press(keycode); - else if (keycode == 0) - acpi_fujitsu_laptop_release(); } /* On some models (first seen on the Skylake-based Lifebook @@ -1098,14 +1075,8 @@ static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) * handled in software; its state is queried using FUNC_FLAGS */ if ((fujitsu_laptop->flags_supported & BIT(26)) && - (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) { - keycode = KEY_TOUCHPAD_TOGGLE; - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); - } - + (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) + sparse_keymap_report_event(input, BIT(26), 1, true); } /* Initialization */ |