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[media] v4l2-dv-timings: export the timings list 

Some drivers need to be able to access the full list of timings.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2013-08-19 10:19:54 -03:00 committed by Mauro Carvalho Chehab
parent 074ca43f2f
commit d1c65ad6a4
2 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/media/v4l2-core/v4l2-dv-timings.c
View File

@ -26,7 +26,7 @@
#include <linux/v4l2-dv-timings.h>
#include <media/v4l2-dv-timings.h>
static const struct v4l2_dv_timings timings[] = {
const struct v4l2_dv_timings v4l2_dv_timings_presets[] = {
V4L2_DV_BT_CEA_640X480P59_94,
V4L2_DV_BT_CEA_720X480I59_94,
V4L2_DV_BT_CEA_720X480P59_94,
@ -127,7 +127,9 @@ static const struct v4l2_dv_timings timings[] = {
V4L2_DV_BT_DMT_2560X1600P75,
V4L2_DV_BT_DMT_2560X1600P85,
V4L2_DV_BT_DMT_2560X1600P120_RB,
{ }
};
EXPORT_SYMBOL_GPL(v4l2_dv_timings_presets);
bool v4l2_dv_valid_timings(const struct v4l2_dv_timings *t,
const struct v4l2_dv_timings_cap *dvcap)
@ -159,10 +161,10 @@ int v4l2_enum_dv_timings_cap(struct v4l2_enum_dv_timings *t,
u32 i, idx;
memset(t->reserved, 0, sizeof(t->reserved));
for (i = idx = 0; i < ARRAY_SIZE(timings); i++) {
if (v4l2_dv_valid_timings(timings + i, cap) &&
for (i = idx = 0; v4l2_dv_timings_presets[i].bt.width; i++) {
if (v4l2_dv_valid_timings(v4l2_dv_timings_presets + i, cap) &&
idx++ == t->index) {
t->timings = timings[i];
t->timings = v4l2_dv_timings_presets[i];
return 0;
}
}
@ -179,10 +181,10 @@ bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t,
if (!v4l2_dv_valid_timings(t, cap))
return false;
for (i = 0; i < ARRAY_SIZE(timings); i++) {
if (v4l2_dv_valid_timings(timings + i, cap) &&
v4l2_match_dv_timings(t, timings + i, pclock_delta)) {
*t = timings[i];
for (i = 0; i < v4l2_dv_timings_presets[i].bt.width; i++) {
if (v4l2_dv_valid_timings(v4l2_dv_timings_presets + i, cap) &&
v4l2_match_dv_timings(t, v4l2_dv_timings_presets + i, pclock_delta)) {
*t = v4l2_dv_timings_presets[i];
return true;
}
}

4
include/media/v4l2-dv-timings.h
View File

@ -23,6 +23,10 @@
#include <linux/videodev2.h>
/** v4l2_dv_timings_presets: list of all dv_timings presets.
*/
extern const struct v4l2_dv_timings v4l2_dv_timings_presets[];
/** v4l2_dv_valid_timings() - are these timings valid?
* @t: the v4l2_dv_timings struct.
* @cap: the v4l2_dv_timings_cap capabilities.