summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/pvrusb2
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2011-10-03 17:22:28 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-10-08 13:00:26 +0200
commit7383a47395fd5c5ae564b754ca14f6ae25dedecd (patch)
treef07fd35f04f3310dbc47299f3a73677d6a125879 /drivers/media/video/pvrusb2
parent[media] saa7115: Fix standards detection (diff)
downloadlinux-7383a47395fd5c5ae564b754ca14f6ae25dedecd.tar.xz
linux-7383a47395fd5c5ae564b754ca14f6ae25dedecd.zip
[media] pvrusb2: implement VIDIOC_QUERYSTD
Acked-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c7
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.h3
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-v4l2.c7
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index e98d38212791..5a6f24d1246d 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -2993,6 +2993,13 @@ static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
pvr2_subdev_set_control(hdw, id, #lab, (hdw)->lab##_val); \
}
+int pvr2_hdw_get_detected_std(struct pvr2_hdw *hdw, v4l2_std_id *std)
+{
+ v4l2_device_call_all(&hdw->v4l2_dev, 0,
+ video, querystd, std);
+ return 0;
+}
+
/* Execute whatever commands are required to update the state of all the
sub-devices so that they match our current control values. */
static void pvr2_subdev_update(struct pvr2_hdw *hdw)
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
index d7753ae9ff46..66546580b17d 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
@@ -214,6 +214,9 @@ struct pvr2_stream *pvr2_hdw_get_video_stream(struct pvr2_hdw *);
int pvr2_hdw_get_stdenum_value(struct pvr2_hdw *hdw,struct v4l2_standard *std,
unsigned int idx);
+/* Get the detected video standard */
+int pvr2_hdw_get_detected_std(struct pvr2_hdw *hdw, v4l2_std_id *std);
+
/* Enable / disable retrieval of CPU firmware or prom contents. This must
be enabled before pvr2_hdw_cpufw_get() will function. Note that doing
this may prevent the device from running (and leaving this mode may
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index e27f8ab76966..0d029da07e6b 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -227,6 +227,13 @@ static long pvr2_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
break;
}
+ case VIDIOC_QUERYSTD:
+ {
+ v4l2_std_id *std = arg;
+ ret = pvr2_hdw_get_detected_std(hdw, std);
+ break;
+ }
+
case VIDIOC_G_STD:
{
int val = 0;