diff options
| author | Arve Hjønnevåg <arve@android.com> | 2008-10-17 15:20:55 -0700 |
|---|---|---|
| committer | Bo Yan <byan@nvidia.com> | 2012-06-22 13:32:23 -0700 |
| commit | a9d8fb2bb8f84568be29414184ad8e8490d38a4e (patch) | |
| tree | 296002705e1ee8e5058b88b2243f4973ed92d3a8 /drivers/input | |
| parent | 22224417965d3842b24455a9e4589d6d39e079e9 (diff) | |
Input: Hold wake lock while event queue is not empty.
Allows userspace code to process input events while
the device appears to be asleep.
Change-Id: I506fec24e3ebaba5ec5916d13987209047bb1c36
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Reviewed-on: http://git-master/r/110418
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Prashant Malani <pmalani@nvidia.com>
Reviewed-by: Prashant Malani <pmalani@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/evdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 2ee7b3083edd..411cbc81fb18 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -63,6 +63,7 @@ static void evdev_pass_event(struct evdev_client *client, /* Interrupts are disabled, just acquire the lock. */ spin_lock(&client->buffer_lock); + wake_lock_timeout(&client->wake_lock, 5 * HZ); client->buffer[client->head++] = *event; client->head &= client->bufsize - 1; @@ -321,6 +322,7 @@ static int evdev_open(struct inode *inode, struct file *file) spin_lock_init(&client->buffer_lock); snprintf(client->name, sizeof(client->name), "%s-%d", dev_name(&evdev->dev), task_tgid_vnr(current)); + wake_lock_init(&client->wake_lock, WAKE_LOCK_SUSPEND, "evdev"); client->evdev = evdev; evdev_attach_client(evdev, client); |