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@xxxxxxxxx>
---
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;
--
2.7.4
