[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>

2 files changed, 14 insertions, 8 deletions

diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index c2f5af7acbed..f515997a7341 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 @@ 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;
                 }
         }
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 43f6b67af1cb..0fe310b8bc80 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.