diff options
| -rw-r--r-- | drivers/media/i2c/imx290.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 5e4aa7237152..47cfb6a9e9b5 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -1249,11 +1249,21 @@ static int imx290_subdev_init(struct imx290 *imx290) imx290->current_mode = &imx290_modes_ptr(imx290)[0]; + /* + * After linking the subdev with the imx290 instance, we are allowed to + * use the pm_runtime functions. Decrease the PM usage count. The device + * will get suspended after the autosuspend delay, turning the power + * off. However, the communication happening in imx290_ctrl_update() + * will already be prevented even before the delay. + */ v4l2_i2c_subdev_init(&imx290->sd, client, &imx290_subdev_ops); + imx290->sd.dev = imx290->dev; + pm_runtime_mark_last_busy(imx290->dev); + pm_runtime_put_autosuspend(imx290->dev); + imx290->sd.internal_ops = &imx290_internal_ops; imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; - imx290->sd.dev = imx290->dev; imx290->sd.entity.ops = &imx290_subdev_entity_ops; imx290->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; @@ -1598,13 +1608,6 @@ static int imx290_probe(struct i2c_client *client) goto err_subdev; } - /* - * Decrease the PM usage count. The device will get suspended after the - * autosuspend delay, turning the power off. - */ - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - return 0; err_subdev: |