The function v4l_pix_format_touch() is called for S_FMT to set
v4l2_pix_format fields to default values for a v4l-touch device,
but it wasn't called for TRY_FMT. Add this.
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
---
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
b/drivers/media/v4l2-core/v4l2-ioctl.c
index b1f4b991dba6..c5c8c8ab7cf6 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1661,6 +1661,8 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg);
/* just in case the driver zeroed it again */
p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+ if (vfd->vfl_type == VFL_TYPE_TOUCH)
+ v4l_pix_format_touch(&p->fmt.pix);
return ret;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
