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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-09-05 05:33:21 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-26 11:03:53 -0300 |
| commit | 5c77879ff9ab9e7dd5b4a78666a09af1a8854be9 (patch) | |
| tree | e5f1cf5178cd012c62d9663cfa9109f006f61cb5 /include/media/v4l2-dev.h | |
| parent | 4f996594ceaf6c3f9bc42b40c40b0f7f87b79c86 (diff) | |
| download | lwn-5c77879ff9ab9e7dd5b4a78666a09af1a8854be9.tar.gz lwn-5c77879ff9ab9e7dd5b4a78666a09af1a8854be9.zip | |
[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.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 6ee8897c47e9..95d1c91770f4 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; |