When vb2_is_busy() it should still be possible to call S_DV_TIMINGS
provided the new timings are the same as the current timings.
For input 1 (test generator) the size is always 1080p, so just return
that.
Fixes a v4l2-compliance issue.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/pci/cobalt/cobalt-v4l2.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c
index b40c2d1..9756fd3 100644
--- a/drivers/media/pci/cobalt/cobalt-v4l2.c
+++ b/drivers/media/pci/cobalt/cobalt-v4l2.c
@@ -28,6 +28,7 @@
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
+#include <media/v4l2-dv-timings.h>
#include <media/adv7604.h>
#include <media/adv7842.h>
@@ -641,13 +642,17 @@ static int cobalt_s_dv_timings(struct file *file, void *priv_fh,
struct cobalt_stream *s = video_drvdata(file);
int err;
- if (vb2_is_busy(&s->q))
- return -EBUSY;
-
if (s->input == 1) {
*timings = cea1080p60;
return 0;
}
+
+ if (v4l2_match_dv_timings(timings, &s->timings, 0))
+ return 0;
+
+ if (vb2_is_busy(&s->q))
+ return -EBUSY;
+
err = v4l2_subdev_call(s->sd,
video, s_dv_timings, timings);
if (!err) {
--
2.1.4
--
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