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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-02 21:08:26 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-04 00:25:19 -0800 |
| commit | 0b7024ac4df5821347141c18e680b7166bc1cb20 (patch) | |
| tree | 7a61e55e66bdd39351b3ec39ecef367588b47170 /drivers/char | |
| parent | 1e87a43080a259a0e9739377708ece163b08de8d (diff) | |
| download | linux-0b7024ac4df5821347141c18e680b7166bc1cb20.tar.gz linux-0b7024ac4df5821347141c18e680b7166bc1cb20.tar.bz2 linux-0b7024ac4df5821347141c18e680b7166bc1cb20.zip | |
Input: add match() method to input hanlders
Get rid of blacklist in input handler structure and instead allow
handlers to define their own match() method to perform fine-grained
filtering of supported devices.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/keyboard.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index cbf64b985ef4..ada25bb8941e 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -1323,6 +1323,21 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type, schedule_console_callback(); } +static bool kbd_match(struct input_handler *handler, struct input_dev *dev) +{ + int i; + + if (test_bit(EV_SND, dev->evbit)) + return true; + + if (test_bit(EV_KEY, dev->evbit)) + for (i = KEY_RESERVED; i < BTN_MISC; i++) + if (test_bit(i, dev->keybit)) + return true; + + return false; +} + /* * When a keyboard (or other input device) is found, the kbd_connect * function is called. The function then looks at the device, and if it @@ -1334,14 +1349,6 @@ static int kbd_connect(struct input_handler *handler, struct input_dev *dev, { struct input_handle *handle; int error; - int i; - - for (i = KEY_RESERVED; i < BTN_MISC; i++) - if (test_bit(i, dev->keybit)) - break; - - if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit)) - return -ENODEV; handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); if (!handle) @@ -1407,6 +1414,7 @@ MODULE_DEVICE_TABLE(input, kbd_ids); static struct input_handler kbd_handler = { .event = kbd_event, + .match = kbd_match, .connect = kbd_connect, .disconnect = kbd_disconnect, .start = kbd_start, |