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V4L/DVB: v4l2-common: simplify prio utility functions

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v4l2_prio_init/open/close returned an int when in fact they would
always return 0. Make these void functions.

v4l2_prio_close and v4l2_prio_check pass an enum v4l2_priority as a
pointer for no good reason. Replace with a normal enum v4l2_priority
argument.

These changes will simplify the work of moving priority handling into
the v4l core.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2010-05-01 08:03:24 -03:00
committed by Mauro Carvalho Chehab
parent 530d2d3206
commit ffb4877ba0
27 changed files with 94 additions and 99 deletions
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8
include/media/v4l2-common.h
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@@ -85,13 +85,13 @@
struct v4l2_prio_state {
atomic_t prios[4];
};
int v4l2_prio_init(struct v4l2_prio_state *global);
void v4l2_prio_init(struct v4l2_prio_state *global);
int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
enum v4l2_priority new);
int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
void v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
void v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority local);
enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority local);
/* ------------------------------------------------------------------------- */