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V4L/DVB (8636): v4l2: add v4l2_ctrl_get_name control support function.

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Add function that returns the control name. Allows this to be used in
places where the normal v4l2_ctrl_query_fill() function cannot be
used (e.g. uvc).

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-08-08 07:55:00 -03:00 • committed by Mauro Carvalho Chehab
parent e6b5da88fb
commit 69028d7096
2 changed files with 61 additions and 51 deletions
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1
include/media/v4l2-common.h
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@ -76,6 +76,7 @@ int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
const char **menu_items);
const char *v4l2_ctrl_get_name(u32 id);
const char **v4l2_ctrl_get_menu(u32 id);
int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def);
int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl);