| Message ID | 20241012032805.23545-1-zhi.mao@mediatek.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | media: i2c: dw9768: Use runtime PM autosuspend | expand |
diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c index 18ef2b35c9aa..9d39198a9ad4 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;
Use runtime PM autosuspend function to avoid rapid power state bouncing. Signed-off-by: Zhi Mao <zhi.mao@mediatek.com> --- drivers/media/i2c/dw9768.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)