From: Ondrej Jirman <megi@xff.cz>
The powerup delay was not observed during probe, leading to occasional
I2C communication failures in RPM suspend callback. Power delay is
properly observed in resume callback already.
Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
drivers/media/i2c/dw9714.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/i2c/dw9714.c b/drivers/media/i2c/dw9714.c
index cc09b32ede60..84d29bcf0ccd 100644
--- a/drivers/media/i2c/dw9714.c
+++ b/drivers/media/i2c/dw9714.c
@@ -157,6 +157,8 @@ static int dw9714_probe(struct i2c_client *client)
return rval;
}
+ usleep_range(1000, 2000);
+
v4l2_i2c_subdev_init(&dw9714_dev->sd, client, &dw9714_ops);
dw9714_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
--
2.43.0