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| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2013-05-29 10:18:58 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-17 09:43:14 -0300 |
| commit | af1f7284da471e68508457da92deab2517d48ff4 (patch) | |
| tree | 69876af9111cbd3f05692568d1dda032cb7655b1 /drivers/media/i2c/saa7115.c | |
| parent | [media] saa7110: fix querystd (diff) | |
| download | wireguard-linux-af1f7284da471e68508457da92deab2517d48ff4.tar.xz wireguard-linux-af1f7284da471e68508457da92deab2517d48ff4.zip | |
[media] saa7115: fix querystd
Return V4L2_STD_UNKNOWN if no signal is detected.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/saa7115.c')
| -rw-r--r-- | drivers/media/i2c/saa7115.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index 90c43f3fb0f1..7fd766ec64c8 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -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; |