diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2026-07-15 12:43:26 +0100 |
|---|---|---|
| committer | Sakari Ailus <sakari.ailus@linux.intel.com> | 2026-07-15 17:04:31 +0300 |
| commit | a21872acb74290a5dc62c7e50137012d08078b29 (patch) | |
| tree | c72fbbcdf4b963fd4b1c5352745a50430972cbf2 | |
| parent | 8a52937caec744247fa31ea923d83c0b7fb7645d (diff) | |
media: imx355: Use pm_runtime autosuspend_delay
Avoid powering the sensor up and down unnecessarily by using
pm_runtime's autosuspend_delay feature.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
| -rw-r--r-- | drivers/media/i2c/imx355.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index 120eda46d982..17a2acc1152d 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -1074,7 +1074,7 @@ static int imx355_set_stream(struct v4l2_subdev *sd, int enable) goto err_rpm_put; } else { imx355_stop_streaming(imx355); - pm_runtime_put(imx355->dev); + pm_runtime_put_autosuspend(imx355->dev); } /* vflip and hflip cannot change during streaming */ @@ -1086,7 +1086,7 @@ static int imx355_set_stream(struct v4l2_subdev *sd, int enable) return ret; err_rpm_put: - pm_runtime_put(imx355->dev); + pm_runtime_put_autosuspend(imx355->dev); err_unlock: mutex_unlock(&imx355->mutex); @@ -1436,6 +1436,8 @@ static int imx355_probe(struct i2c_client *client) */ pm_runtime_set_active(imx355->dev); pm_runtime_enable(imx355->dev); + pm_runtime_set_autosuspend_delay(imx355->dev, 1000); + pm_runtime_use_autosuspend(imx355->dev); ret = v4l2_async_register_subdev_sensor(&imx355->sd); if (ret < 0) @@ -1448,6 +1450,7 @@ static int imx355_probe(struct i2c_client *client) error_media_entity_runtime_pm: pm_runtime_disable(imx355->dev); pm_runtime_set_suspended(imx355->dev); + pm_runtime_dont_use_autosuspend(imx355->dev); media_entity_cleanup(&imx355->sd.entity); error_handler_free: @@ -1478,6 +1481,8 @@ static void imx355_remove(struct i2c_client *client) pm_runtime_set_suspended(imx355->dev); } + pm_runtime_dont_use_autosuspend(imx355->dev); + mutex_destroy(&imx355->mutex); } |