From 1cfe77a541a5044a061afd4f7935f504cc4d4c48 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Fri, 8 Sep 2023 11:52:12 +0300 Subject: [PATCH] media: ov2740: Enable runtime PM before registering the async subdev Enable runtime PM before registering the async subdev as the driver UAPI may become accessible immediately after the registration. Runtime PM needs to be enabled by that time. Signed-off-by: Sakari Ailus Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil --- drivers/media/i2c/ov2740.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c index 3a9700fbbe8cb..6d5fb2789dc6a 100644 --- a/drivers/media/i2c/ov2740.c +++ b/drivers/media/i2c/ov2740.c @@ -1130,6 +1130,12 @@ static int ov2740_probe(struct i2c_client *client) goto probe_error_v4l2_ctrl_handler_free; } + /* Set the device's state to active if it's in D0 state. */ + if (full_power) + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_idle(&client->dev); + ret = v4l2_async_register_subdev_sensor(&ov2740->sd); if (ret < 0) { dev_err_probe(dev, ret, "failed to register V4L2 subdev\n"); @@ -1140,16 +1146,12 @@ static int ov2740_probe(struct i2c_client *client) if (ret) dev_warn(&client->dev, "register nvmem failed, ret %d\n", ret); - /* Set the device's state to active if it's in D0 state. */ - if (full_power) - pm_runtime_set_active(&client->dev); - pm_runtime_enable(&client->dev); - pm_runtime_idle(&client->dev); - return 0; probe_error_media_entity_cleanup: media_entity_cleanup(&ov2740->sd.entity); + pm_runtime_disable(&client->dev); + pm_runtime_set_suspended(&client->dev); probe_error_v4l2_ctrl_handler_free: v4l2_ctrl_handler_free(ov2740->sd.ctrl_handler); -- 2.30.2