diff mbox series

[v3,07/12] media: ov2740: Enable runtime PM before registering the async subdev

Message ID 20230919121728.126781-8-sakari.ailus@linux.intel.com
State Superseded
Headers show
Series Small fixes and cleanups (ov2740 and ccs) | expand

Commit Message

Sakari Ailus Sept. 19, 2023, 12:17 p.m. UTC 
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 <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/media/i2c/ov2740.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
index 41d4f85470fd..319dc00e47b4 100644
--- a/drivers/media/i2c/ov2740.c
+++ b/drivers/media/i2c/ov2740.c
@@ -1172,6 +1172,12 @@  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");
@@ -1182,16 +1188,12 @@  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);