diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 31d0109ce5a8..9ac557b8e146 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1413,6 +1413,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_VP8: descr = "VP8"; break; case V4L2_PIX_FMT_VP8_FRAME: descr = "VP8 Frame"; break; case V4L2_PIX_FMT_VP9: descr = "VP9"; break; + case V4L2_PIX_FMT_VP9_FRAME: descr = "VP9 Frame"; break; case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */ case V4L2_PIX_FMT_HEVC_SLICE: descr = "HEVC Parsed Slice Data"; break; case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */ @@ -2090,6 +2091,7 @@ static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { + struct video_device *vfd = video_devdata(file); struct v4l2_streamparm *p = arg; v4l2_std_id std; int ret = check_fmt(file, p->type); @@ -2101,7 +2103,8 @@ static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return -EINVAL; - p->parm.capture.readbuffers = 2; + if (vfd->device_caps & V4L2_CAP_READWRITE) + p->parm.capture.readbuffers = 2; ret = ops->vidioc_g_std(file, fh, &std); if (ret == 0) v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); |