diff options
| author | Hyong Bin Kim <hyongbink@nvidia.com> | 2014-07-15 21:00:47 +0900 |
|---|---|---|
| committer | Harry Hong <hhong@nvidia.com> | 2014-07-16 00:46:14 -0700 |
| commit | cae91c0029ac9d5f8bf4fcd8282139300a6f0d95 (patch) | |
| tree | 0ba5d65fbd147bab7afb274e4b57e909701ca6c7 | |
| parent | d48f56575fb327ce2d2fdbe713de343226d8449e (diff) | |
staging:iio:ltr659ps: add wake lock
Prox state is changed during go into suspend, device loose it state.
Add wake lock 1 sec to prevent suspend when interrupt occur.
bug 200020300
Change-Id: I34901f4e32de9156ebbe36bf72b8d448f3f8fe9c
Signed-off-by: Hyong Bin Kim <hyongbink@nvidia.com>
Reviewed-on: http://git-master/r/438143
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jackie Chen <jackchen@nvidia.com>
Tested-by: Jackie Chen <jackchen@nvidia.com>
Reviewed-by: Harry Hong <hhong@nvidia.com>
| -rw-r--r-- | drivers/staging/iio/light/ltr659ps.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/staging/iio/light/ltr659ps.c b/drivers/staging/iio/light/ltr659ps.c index a918f8283578..6ec7773f7c63 100644 --- a/drivers/staging/iio/light/ltr659ps.c +++ b/drivers/staging/iio/light/ltr659ps.c @@ -27,7 +27,7 @@ #include <linux/gpio.h> #include <linux/tegra_audio.h> #include <linux/regulator/consumer.h> - +#include <linux/wakelock.h> #include <linux/ltr659ps.h> @@ -173,6 +173,7 @@ struct ltr659ps_data { int near; struct mutex prox_mtx; + struct wake_lock prox_wake_lock; }; @@ -1158,6 +1159,8 @@ static void ltr659ps_work_function(struct work_struct *work) if (!data->enable) return; + wake_lock_timeout(&data->prox_wake_lock, 1 * HZ); + status = i2c_smbus_read_byte_data(client, LTR659PS_REG_PS_STATUS); if ((status & 0x03) == 0x03) ltr659ps_report_input_event(data); @@ -1446,6 +1449,9 @@ static int __devinit ltr659ps_probe(struct i2c_client *client goto err_iio_device_register; } + wake_lock_init(&prox_data->prox_wake_lock, WAKE_LOCK_SUSPEND, + "prox_wake_lock"); + queue_delayed_work(prox_data->prox_wq , &prox_data->work, msecs_to_jiffies(200)); @@ -1478,6 +1484,7 @@ static int __devexit ltr659ps_remove(struct i2c_client *client) struct ltr659ps_data *data = iio_priv(indio_dev); PROX_DEBUG("\n"); + wake_lock_destroy(&data->prox_wake_lock); iio_device_unregister(indio_dev); free_irq(client->irq, client); input_unregister_device(data->ps_input_dev); |