linux-kernel - [PATCH 08/19] media: i2c: ov4689: Enable runtime PM before registering sub-device

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Date:   Mon, 11 Dec 2023 20:50:11 +0300
From:   Mikhail Rudenko <mike.rudenko@...il.com>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Tommaso Merciai <tommaso.merciai@...rulasolutions.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Mikhail Rudenko <mike.rudenko@...il.com>
Subject: [PATCH 08/19] media: i2c: ov4689: Enable runtime PM before registering sub-device

As the sensor may be accessible right after its async sub-device is
registered, enable runtime PM before doing so.

Signed-off-by: Mikhail Rudenko <mike.rudenko@...il.com>
---
 drivers/media/i2c/ov4689.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c
index 2eef64cd0070..ba33b0ced532 100644
--- a/drivers/media/i2c/ov4689.c
+++ b/drivers/media/i2c/ov4689.c
@@ -874,16 +874,16 @@ static int ov4689_probe(struct i2c_client *client)
 		goto err_clean_entity;
 	}
 
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+	pm_runtime_idle(dev);
+
 	ret = v4l2_async_register_subdev_sensor(sd);
 	if (ret) {
 		dev_err(dev, "v4l2 async register subdev failed\n");
 		goto err_clean_subdev;
 	}
 
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-	pm_runtime_idle(dev);
-
 	return 0;
 
 err_clean_subdev:
-- 
2.43.0