[media] saa7110: fix querystd
Return V4L2_STD_UNKNOWN if no signal is detected. Otherwise AND the standard mask with the detected standards. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
e83c30c723
commit
416e87a41d
|
@ -202,7 +202,7 @@ static v4l2_std_id determine_norm(struct v4l2_subdev *sd)
|
|||
status = saa7110_read(sd);
|
||||
if (status & 0x40) {
|
||||
v4l2_dbg(1, debug, sd, "status=0x%02x (no signal)\n", status);
|
||||
return decoder->norm; /* no change*/
|
||||
return V4L2_STD_UNKNOWN;
|
||||
}
|
||||
if ((status & 3) == 0) {
|
||||
saa7110_write(sd, 0x06, 0x83);
|
||||
|
@ -264,7 +264,7 @@ static int saa7110_g_input_status(struct v4l2_subdev *sd, u32 *pstatus)
|
|||
|
||||
static int saa7110_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
|
||||
{
|
||||
*(v4l2_std_id *)std = determine_norm(sd);
|
||||
*std &= determine_norm(sd);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue