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-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 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;