The video adjustments (contrast, brightness, saturation and hue) are ignored by default by the device when the VID_ADJ_EN bit is clear. The corresponding V4L2 controls exposed by the drivers have thus no effect. Fix this by setting the VID_ADJ_EN bit. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> --- drivers/media/i2c/adv7604.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 9d218962d7c8..3af0e67f9edb 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -1805,6 +1805,9 @@ static void select_input(struct v4l2_subdev *sd) v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", __func__, state->selected_input); } + + /* Enable video adjustment (contrast, saturation, brightness and hue) */ + cp_write_clr_set(sd, 0x3e, 0x80, 0x80); } static int adv76xx_s_routing(struct v4l2_subdev *sd, -- Regards, Laurent Pinchart
