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authorHans Verkuil <hans.verkuil@cisco.com>2012-09-05 05:33:21 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-26 11:03:53 -0300
commit5c77879ff9ab9e7dd5b4a78666a09af1a8854be9 (patch)
treee5f1cf5178cd012c62d9663cfa9109f006f61cb5 /include/media/v4l2-dev.h
parent4f996594ceaf6c3f9bc42b40c40b0f7f87b79c86 (diff)
[media] v4l2-dev: add new VFL_DIR_ defines
These will be used by v4l2-dev.c to improve ioctl checking. I.e. ioctls for capture should return -ENOTTY when called for an output device. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-dev.h')
-rw-r--r--include/media/v4l2-dev.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 6ee8897c47e..95d1c91770f 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -26,6 +26,12 @@
#define VFL_TYPE_SUBDEV 3
#define VFL_TYPE_MAX 4
+/* Is this a receiver, transmitter or mem-to-mem? */
+/* Ignored for VFL_TYPE_SUBDEV. */
+#define VFL_DIR_RX 0
+#define VFL_DIR_TX 1
+#define VFL_DIR_M2M 2
+
struct v4l2_ioctl_callbacks;
struct video_device;
struct v4l2_device;
@@ -105,7 +111,8 @@ struct video_device
/* device info */
char name[32];
- int vfl_type;
+ int vfl_type; /* device type */
+ int vfl_dir; /* receiver, transmitter or m2m */
/* 'minor' is set to -1 if the registration failed */
int minor;
u16 num;