[media] bttv: fix querystd

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index bfcfa3e8543e..c6532de0eac7 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -1760,9 +1760,9 @@ static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
         struct bttv *btv = fh->btv;
 
         if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
-                *id = V4L2_STD_625_50;
+                *id &= V4L2_STD_625_50;
         else
-                *id = V4L2_STD_525_60;
+                *id &= V4L2_STD_525_60;
         return 0;
 }