From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Rather than checking which device type it is, just check the STREAMING
cap since that indicates support for streaming ioctls.
Some drivers only support READWRITE (typically MPEG encoders).
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-dev.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 397d553177fa..f81279492682 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -556,6 +556,7 @@ static void determine_valid_ioctls(struct video_device *vdev)
bool is_rx = vdev->vfl_dir != VFL_DIR_TX;
bool is_tx = vdev->vfl_dir != VFL_DIR_RX;
bool is_io_mc = vdev->device_caps & V4L2_CAP_IO_MC;
+ bool has_streaming = vdev->device_caps & V4L2_CAP_STREAMING;
bitmap_zero(valid_ioctls, BASE_VIDIOC_PRIVATE);
@@ -708,8 +709,8 @@ static void determine_valid_ioctls(struct video_device *vdev)
SET_VALID_IOCTL(ops, VIDIOC_TRY_FMT, vidioc_try_fmt_sdr_out);
}
- if (is_vid || is_vbi || is_sdr || is_tch || is_meta) {
- /* ioctls valid for video, vbi, sdr, touch and metadata */
+ if (has_streaming) {
+ /* ioctls valid for streaming I/O */
SET_VALID_IOCTL(ops, VIDIOC_REQBUFS, vidioc_reqbufs);
SET_VALID_IOCTL(ops, VIDIOC_QUERYBUF, vidioc_querybuf);
SET_VALID_IOCTL(ops, VIDIOC_QBUF, vidioc_qbuf);
--
2.39.0
