Commit c09d776e authored by Bingbu Cao's avatar Bingbu Cao Committed by Mauro Carvalho Chehab
Browse files

media: dw9768: activate runtime PM and turn off device 



When dw9768 working with ACPI systems, the dw9768 was turned
by i2c-core during probe, driver need activate the PM runtime
and ask runtime PM to turn off the device.

Signed-off-by: default avatarBingbu Cao <bingbu.cao@intel.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 2a998392

drivers/media/i2c/dw9768.c

+6 −0
Original line number Diff line number Diff line
@@ -469,6 +469,11 @@ 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);
@@ -483,6 +488,7 @@ 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;