Otherwise autosuspend delay doesn't work and power is cut off
immediately as device is freed.
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx>
---
Changes since PATCHv1:
* Removed pm_runtime_mask_last_busy call from ov5640_write_reg and ov5640_read_reg
as suggested by Sakari Ailus
* Updated diff against next-20230113
drivers/media/i2c/ov5640.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index e0f908af581b..24f4f395aad6 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -3316,6 +3316,7 @@ static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
break;
}
+ pm_runtime_mark_last_busy(&sensor->i2c_client->dev);
pm_runtime_put_autosuspend(&sensor->i2c_client->dev);
return 0;
@@ -3391,6 +3392,7 @@ static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
break;
}
+ pm_runtime_mark_last_busy(&sensor->i2c_client->dev);
pm_runtime_put_autosuspend(&sensor->i2c_client->dev);
return ret;
@@ -3710,8 +3712,10 @@ static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
out:
mutex_unlock(&sensor->lock);
- if (!enable || ret)
+ if (!enable || ret) {
+ pm_runtime_mark_last_busy(&sensor->i2c_client->dev);
pm_runtime_put_autosuspend(&sensor->i2c_client->dev);
+ }
return ret;
}
@@ -3912,6 +3916,7 @@ static int ov5640_probe(struct i2c_client *client)
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
+ pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
return 0;
--
2.39.0
