From c09d776eaa060534a1663e3b89d842db3e1d9076 Mon Sep 17 00:00:00 2001 From: Bingbu Cao Date: Fri, 15 Oct 2021 07:08:39 +0100 Subject: 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: Bingbu Cao Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/dw9768.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c index c086580efac7..65c6acf3ced9 100644 --- a/drivers/media/i2c/dw9768.c +++ b/drivers/media/i2c/dw9768.c @@ -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; -- cgit v1.2.3