List the pixel formats compatible with the active format currently
configured on the connected pad.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/staging/media/omap4iss/iss_video.c | 36 ++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/staging/media/omap4iss/iss_video.c
b/drivers/staging/media/omap4iss/iss_video.c
index 5dbd774..68eab6e 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -496,6 +496,41 @@ iss_video_querycap(struct file *file, void *fh, struct
v4l2_capability *cap)
}
static int
+iss_video_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+ struct iss_video *video = video_drvdata(file);
+ struct v4l2_mbus_framefmt format;
+ unsigned int index = f->index;
+ unsigned int i;
+ int ret;
+
+ if (f->type != video->type)
+ return -EINVAL;
+
+ ret = __iss_video_get_format(video, &format);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(formats); ++i) {
+ const struct iss_format_info *info = &formats[i];
+
+ if (format.code != info->code)
+ continue;
+
+ if (index == 0) {
+ f->pixelformat = info->pixelformat;
+ strlcpy(f->description, info->description,
+ sizeof(f->description));
+ return 0;
+ }
+
+ index--;
+ }
+
+ return -EINVAL;
+}
+
+static int
iss_video_get_format(struct file *file, void *fh, struct v4l2_format *format)
{
struct iss_video_fh *vfh = to_iss_video_fh(fh);
@@ -918,6 +953,7 @@ iss_video_s_input(struct file *file, void *fh, unsigned int
input)
static const struct v4l2_ioctl_ops iss_video_ioctl_ops = {
.vidioc_querycap = iss_video_querycap,
+ .vidioc_enum_fmt_vid_cap = iss_video_enum_format,
.vidioc_g_fmt_vid_cap = iss_video_get_format,
.vidioc_s_fmt_vid_cap = iss_video_set_format,
.vidioc_try_fmt_vid_cap = iss_video_try_format,
--
1.8.3.2
--
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