From: Ondrej Jirman <megi@xxxxxx> 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@xxxxxx> --- 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
