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From: Mikhail Rudenko <mike.rudenko@gmail.com>
To: linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Jacopo Mondi <jacopo@jmondi.org>,
	Tommaso Merciai <tomm.merciai@gmail.com>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Mikhail Rudenko <mike.rudenko@gmail.com>
Subject: [PATCH v2 08/20] media: i2c: ov4689: Enable runtime PM before registering sub-device
Date: Mon, 18 Dec 2023 20:40:29 +0300
Message-ID: <20231218174042.794012-9-mike.rudenko@gmail.com>
In-Reply-To: <20231218174042.794012-1-mike.rudenko@gmail.com>
References: <20231218174042.794012-1-mike.rudenko@gmail.com>
Precedence: bulk
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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@gmail.com>
---
 drivers/media/i2c/ov4689.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c
index 501901aad4ae..5300e621ff90 100644
--- a/drivers/media/i2c/ov4689.c
+++ b/drivers/media/i2c/ov4689.c
@@ -876,19 +876,21 @@ 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;
+		goto err_clean_subdev_pm;
 	}
 
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-	pm_runtime_idle(dev);
-
 	return 0;
 
-err_clean_subdev:
+err_clean_subdev_pm:
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
 	v4l2_subdev_cleanup(sd);
 err_clean_entity:
 	media_entity_cleanup(&sd->entity);
-- 
2.43.0