From: Andrey Skvortsov Date: Tue, 10 Jan 2023 02:00:03 +0300 Subject: [PATCH] media: ov5640: Update last busy timestamp to reset autosuspend timer Otherwise autosuspend delay doesn't work and power is cut off immediately as device is freed. Signed-off-by: Andrey Skvortsov --- drivers/media/i2c/ov5640.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index ac35350..f71c0f7 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -1238,6 +1238,7 @@ static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) return ret; } + pm_runtime_mark_last_busy(&sensor->i2c_client->dev); return 0; } @@ -1305,6 +1306,7 @@ static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) } *val = buf[0]; + pm_runtime_mark_last_busy(&sensor->i2c_client->dev); return 0; } @@ -3615,6 +3617,7 @@ 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; @@ -3702,6 +3705,7 @@ 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; @@ -4034,8 +4038,10 @@ 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; } @@ -4203,6 +4209,7 @@ static int ov5640_probe(struct i2c_client *client) pm_runtime_enable(dev); pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); + pm_runtime_mark_last_busy(dev); return 0;