diff options
| author | Bingbu Cao <bingbu.cao@intel.com> | 2021-10-15 09:08:39 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-11-15 11:11:34 +0300 |
| commit | c09d776eaa060534a1663e3b89d842db3e1d9076 (patch) | |
| tree | 54f91b3fb80954c120ac3ceff05acaa3916b6409 /drivers/media/i2c/dw9768.c | |
| parent | 2a998392403f746e9320c3b836303f8720651e5c (diff) | |
| download | linux-c09d776eaa060534a1663e3b89d842db3e1d9076.tar.xz | |
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 <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/dw9768.c')
| -rw-r--r-- | drivers/media/i2c/dw9768.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; |