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input: don't send dummy release event when system resumes

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Dummy release event is sent when system resumes. This behavior
makes long press detection failed for some keys like POWER key
and HEADSET key. Add INPUT_PROP_NO_DUMMY_RELEASE to make it is
possible for some input to avoid this behavior.

Signed-off-by: Kun Liang <kunliang@codeaurora.org>
This commit is contained in:
Kun Liang
2013-12-11 11:03:44 +08:00
parent f3a79b5481
commit 017fcfae31
2 changed files with 6 additions and 3 deletions
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drivers/input/input.c
+5 -3
View File
@@ -1574,9 +1574,11 @@ void input_reset_device(struct input_dev *dev)
* Keys that have been pressed at suspend time are unlikely
* to be still pressed when we resume.
*/
spin_lock_irq(&dev->event_lock);
input_dev_release_keys(dev);
spin_unlock_irq(&dev->event_lock);
if (!test_bit(INPUT_PROP_NO_DUMMY_RELEASE, dev->propbit)) {
spin_lock_irq(&dev->event_lock);
input_dev_release_keys(dev);
spin_unlock_irq(&dev->event_lock);
}
}
mutex_unlock(&dev->mutex);
include/linux/input.h
+1
View File
@@ -167,6 +167,7 @@ struct input_keymap_entry {
#define INPUT_PROP_DIRECT 0x01 /* direct input devices */
#define INPUT_PROP_BUTTONPAD 0x02 /* has button(s) under pad */
#define INPUT_PROP_SEMI_MT 0x03 /* touch rectangle only */
#define INPUT_PROP_NO_DUMMY_RELEASE 0x04 /* no dummy event */
#define INPUT_PROP_MAX 0x1f
#define INPUT_PROP_CNT (INPUT_PROP_MAX + 1)