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Commit af1f7284 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] saa7115: fix querystd 



Return V4L2_STD_UNKNOWN if no signal is detected.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 416e87a4

drivers/media/i2c/saa7115.c

+4 −1
Original line number Diff line number Diff line
@@ -1428,6 +1428,7 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) 
			*std &= V4L2_STD_SECAM;

			break;

		default:

			*std = V4L2_STD_UNKNOWN;

			/* Can't detect anything */

			break;

		}
@@ -1436,8 +1437,10 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) 
	v4l2_dbg(1, debug, sd, "Status byte 2 (0x1f)=0x%02x\n", reg1f);



	/* horizontal/vertical not locked */

	if (reg1f & 0x40)

	if (reg1f & 0x40) {

		*std = V4L2_STD_UNKNOWN;

		goto ret;

	}



	if (reg1f & 0x20)

		*std &= V4L2_STD_525_60;