[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>
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index c2f5af7..f515997 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -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 @@
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 @@
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 @@
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;
}
}
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 43f6b67..0fe310b 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -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.