Messages in this thread Patch in this message | | | From | "Henrik Rydberg" <> | Subject | [PATCH 04/19] Input: Make sure we follow all EV_KEY events | Date | Sun, 12 Aug 2012 23:42:22 +0200 |
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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.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se> --- drivers/input/input.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/drivers/input/input.c b/drivers/input/input.c index 8ebf116..4d64500 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -239,24 +239,30 @@ 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; @@ -283,7 +289,7 @@ 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; -- 1.7.11.4
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