From 5c77879ff9ab9e7dd5b4a78666a09af1a8854be9 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 5 Sep 2012 05:33:21 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-dev.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) 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; -- 2.20.1