From a745d7acc1ebf97c0302e7a56665e28735943cf5 Mon Sep 17 00:00:00 2001 From: Zhi Mao Date: Sat, 12 Oct 2024 11:25:53 +0800 Subject: media: i2c: dw9768: Use runtime PM autosuspend Use runtime PM autosuspend function to avoid rapid power state bouncing. Signed-off-by: Zhi Mao Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- drivers/media/i2c/dw9768.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/media') diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c index 87a7c3ceeb11..3a4d100b9199 100644 --- a/drivers/media/i2c/dw9768.c +++ b/drivers/media/i2c/dw9768.c @@ -374,7 +374,8 @@ static int dw9768_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) static int dw9768_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { - pm_runtime_put(sd->dev); + pm_runtime_mark_last_busy(sd->dev); + pm_runtime_put_autosuspend(sd->dev); return 0; } @@ -490,6 +491,8 @@ static int dw9768_probe(struct i2c_client *client) goto err_power_off; } + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); pm_runtime_idle(dev); return 0; -- cgit v1.2.3