media: v4l2-dev.c: check for V4L2_CAP_STREAMING to enable streaming ioctls

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 <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 397d553177fa70b0cb880af9724cedbe52ce486b..f8127949268229fd852eaa1ea2e50b874c376e97 100644 (file)
--- 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);