[media] au8522: Properly set default brightness

The chip's default value for the brightness didn't match what we were sending
back in the queryctrl ioctl(), so if the application actually set the
brightness to the "default", it would actually end up being way too bright.

This work was sponsored by GetWellNetwork Inc.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/au8522_decoder.c

@@ -622,7 +622,7 @@ static int au8522_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
 		return v4l2_ctrl_query_fill(qc, 0, 255, 1,
 					    AU8522_TVDEC_CONTRAST_REG00BH_CVBS);
 	case V4L2_CID_BRIGHTNESS:
-		return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+		return v4l2_ctrl_query_fill(qc, 0, 255, 1, 109);
 	case V4L2_CID_SATURATION:
 		return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
 	case V4L2_CID_HUE: