linux-kernel - [PATCH AUTOSEL 5.17 039/135] media: Revert "media: dw9768: activate runtime PM and turn off device"

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Date:   Mon, 30 May 2022 09:29:57 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Tomasz Figa <tfiga@...omium.org>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sasha Levin <sashal@...nel.org>, dongchun.zhu@...iatek.com,
        linux-media@...r.kernel.org
Subject: [PATCH AUTOSEL 5.17 039/135] media: Revert "media: dw9768: activate runtime PM and turn off device"

From: Sakari Ailus <sakari.ailus@...ux.intel.com>

[ Upstream commit 7dd0f93a31af03cba81c684c4c361bba510ffe71 ]

This reverts commit c09d776eaa060534a1663e3b89d842db3e1d9076.

Revert the commit as it breaks runtime PM support on OF based systems.
More fixes to the driver are needed.

Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Reviewed-by: Tomasz Figa <tfiga@...omium.org>
Reviewed-by: Bingbu Cao <bingbu.cao@...el.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/i2c/dw9768.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c
index 65c6acf3ced9..c086580efac7 100644
--- a/drivers/media/i2c/dw9768.c
+++ b/drivers/media/i2c/dw9768.c
@@ -469,11 +469,6 @@ static int dw9768_probe(struct i2c_client *client)
 
 	dw9768->sd.entity.function = MEDIA_ENT_F_LENS;
 
-	/*
-	 * Device is already turned on by i2c-core with ACPI domain PM.
-	 * Attempt to turn off the device to satisfy the privacy LED concerns.
-	 */
-	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
 	if (!pm_runtime_enabled(dev)) {
 		ret = dw9768_runtime_resume(dev);
@@ -488,7 +483,6 @@ static int dw9768_probe(struct i2c_client *client)
 		dev_err(dev, "failed to register V4L2 subdev: %d", ret);
 		goto err_power_off;
 	}
-	pm_runtime_idle(dev);
 
 	return 0;
 
-- 
2.35.1