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authorDavid S. Miller <davem@davemloft.net>2016-01-13 00:21:27 -0500
committerDavid S. Miller <davem@davemloft.net>2016-01-13 00:21:27 -0500
commitddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (patch)
treebe1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /drivers/media/v4l2-core/v4l2-dv-timings.c
parentccdf6ce6a8dba374668ae9b4d763e19903611c38 (diff)
parent67990608c8b95d2b8ccc29932376ae73d5818727 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-dv-timings.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-dv-timings.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 6a83d6191684..ec258b73001a 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -209,8 +209,13 @@ bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t,
if (v4l2_valid_dv_timings(v4l2_dv_timings_presets + i, cap,
fnc, fnc_handle) &&
v4l2_match_dv_timings(t, v4l2_dv_timings_presets + i,
- pclock_delta)) {
+ pclock_delta, false)) {
+ u32 flags = t->bt.flags & V4L2_DV_FL_REDUCED_FPS;
+
*t = v4l2_dv_timings_presets[i];
+ if (can_reduce_fps(&t->bt))
+ t->bt.flags |= flags;
+
return true;
}
}
@@ -223,12 +228,14 @@ EXPORT_SYMBOL_GPL(v4l2_find_dv_timings_cap);
* @t1 - compare this v4l2_dv_timings struct...
* @t2 - with this struct.
* @pclock_delta - the allowed pixelclock deviation.
+ * @match_reduced_fps - if true, then fail if V4L2_DV_FL_REDUCED_FPS does not
+ * match.
*
* Compare t1 with t2 with a given margin of error for the pixelclock.
*/
bool v4l2_match_dv_timings(const struct v4l2_dv_timings *t1,
const struct v4l2_dv_timings *t2,
- unsigned pclock_delta)
+ unsigned pclock_delta, bool match_reduced_fps)
{
if (t1->type != t2->type || t1->type != V4L2_DV_BT_656_1120)
return false;
@@ -239,9 +246,14 @@ bool v4l2_match_dv_timings(const struct v4l2_dv_timings *t1,
t1->bt.pixelclock >= t2->bt.pixelclock - pclock_delta &&
t1->bt.pixelclock <= t2->bt.pixelclock + pclock_delta &&
t1->bt.hfrontporch == t2->bt.hfrontporch &&
+ t1->bt.hsync == t2->bt.hsync &&
+ t1->bt.hbackporch == t2->bt.hbackporch &&
t1->bt.vfrontporch == t2->bt.vfrontporch &&
t1->bt.vsync == t2->bt.vsync &&
t1->bt.vbackporch == t2->bt.vbackporch &&
+ (!match_reduced_fps ||
+ (t1->bt.flags & V4L2_DV_FL_REDUCED_FPS) ==
+ (t2->bt.flags & V4L2_DV_FL_REDUCED_FPS)) &&
(!t1->bt.interlaced ||
(t1->bt.il_vfrontporch == t2->bt.il_vfrontporch &&
t1->bt.il_vsync == t2->bt.il_vsync &&