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[media] videodev2.h: Extend struct v4l2_ext_controls 

So it can be used to get the default value of a control.

Without this change it is not possible to get the
default value of array controls.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Ricardo Ribalda 2015-10-29 08:10:27 -02:00 committed by Mauro Carvalho Chehab
parent dc5e02050b
commit 35ec2a2fa5
1 changed files with 6 additions and 1 deletions
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7
include/uapi/linux/videodev2.h
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@ -1476,7 +1476,10 @@ struct v4l2_ext_control {
} __attribute__ ((packed));
struct v4l2_ext_controls {
__u32 ctrl_class;
union {
__u32 ctrl_class;
__u32 which;
};
__u32 count;
__u32 error_idx;
__u32 reserved[2];
@ -1487,6 +1490,8 @@ struct v4l2_ext_controls {
#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
#define V4L2_CTRL_MAX_DIMS (4)
#define V4L2_CTRL_WHICH_CUR_VAL 0
#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
enum v4l2_ctrl_type {
V4L2_CTRL_TYPE_INTEGER = 1,