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| author | Henrik Rydberg <rydberg@euromail.se> | 2012-08-10 21:39:38 +0200 |
|---|---|---|
| committer | Henrik Rydberg <rydberg@euromail.se> | 2012-09-19 19:50:17 +0200 |
| commit | 0672120a2ee7c533dfec6db7c3e43450f439e5ff (patch) | |
| tree | 5391ff51230e52c22ed4d5d8c1a6026cf87b1206 /drivers/input | |
| parent | 7c75bf99271139ca7cb2d0cca3be11f1f7c59efd (diff) | |
| download | linux-0672120a2ee7c533dfec6db7c3e43450f439e5ff.tar.gz | |
Input: Make sure we follow all EV_KEY events
For some EV_KEY types, sending a larger-than-one value causes the input state to oscillate. This patch makes sure this cannot happen, clearing up the autorepeat bypass logic in the process. Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr> Tested-by: Ping Cheng <pingc@wacom.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/input.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index fb3a2c112deb..f075fbbfb1e7 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -240,24 +240,30 @@ static void input_handle_event(struct input_dev *dev, break; case EV_KEY: - if (is_event_supported(code, dev->keybit, KEY_MAX) && - !!test_bit(code, dev->key) != value) { + if (is_event_supported(code, dev->keybit, KEY_MAX)) { + + /* auto-repeat bypasses state updates */ + if (value == 2) { + disposition = INPUT_PASS_TO_HANDLERS; + break; + } + + if (!!test_bit(code, dev->key) != !!value) { - if (value != 2) { __change_bit(code, dev->key); + disposition = INPUT_PASS_TO_HANDLERS; + if (value) input_start_autorepeat(dev, code); else input_stop_autorepeat(dev); } - - disposition = INPUT_PASS_TO_HANDLERS; } break; case EV_SW: if (is_event_supported(code, dev->swbit, SW_MAX) && - !!test_bit(code, dev->sw) != value) { + !!test_bit(code, dev->sw) != !!value) { __change_bit(code, dev->sw); disposition = INPUT_PASS_TO_HANDLERS; @@ -284,7 +290,7 @@ static void input_handle_event(struct input_dev *dev, case EV_LED: if (is_event_supported(code, dev->ledbit, LED_MAX) && - !!test_bit(code, dev->led) != value) { + !!test_bit(code, dev->led) != !!value) { __change_bit(code, dev->led); disposition = INPUT_PASS_TO_ALL; |