forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[media] v4l2-dev: add new VFL_DIR_ defines

Browse source 
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>
This commit is contained in:
Hans Verkuil 2012-09-05 05:33:21 -03:00 • committed by Mauro Carvalho Chehab
commit 5c77879ff9
1 changed files with 8 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/media/v4l2-dev.h
View file

@ -26,6 +26,12 @@
#define VFL_TYPE_SUBDEV 3 #define VFL_TYPE_SUBDEV 3
#define VFL_TYPE_MAX 4 #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 v4l2_ioctl_callbacks;
struct video_device; struct video_device;
struct v4l2_device; struct v4l2_device;
@ -105,7 +111,8 @@ struct video_device
/* device info */ /* device info */
char name[32]; 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 */ /* 'minor' is set to -1 if the registration failed */
int minor; int minor;
u16 num; u16 num;