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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2021-11-22 16:18:23 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-01-22 09:30:13 +0100 |
| commit | 9a6b5bf4c1bba341eeb010f3ea8b5b48651f65f8 (patch) | |
| tree | 4a17dcbb81eb75c0a0d2682166ff16780b395f5e /drivers/media/v4l2-core | |
| parent | media: add V4L2_SUBDEV_FL_STREAMS (diff) | |
| download | linux-9a6b5bf4c1bba341eeb010f3ea8b5b48651f65f8.tar.xz linux-9a6b5bf4c1bba341eeb010f3ea8b5b48651f65f8.zip | |
media: add V4L2_SUBDEV_CAP_STREAMS
Add a subdev capability flag to expose to userspace if a subdev supports
multiplexed streams.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 24acb4aa0895..3adb186bb742 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -446,6 +446,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev); struct v4l2_fh *vfh = file->private_data; bool ro_subdev = test_bit(V4L2_FL_SUBDEV_RO_DEVNODE, &vdev->flags); + bool streams_subdev = sd->flags & V4L2_SUBDEV_FL_STREAMS; int rval; switch (cmd) { @@ -454,7 +455,9 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, memset(cap->reserved, 0, sizeof(cap->reserved)); cap->version = LINUX_VERSION_CODE; - cap->capabilities = ro_subdev ? V4L2_SUBDEV_CAP_RO_SUBDEV : 0; + cap->capabilities = + (ro_subdev ? V4L2_SUBDEV_CAP_RO_SUBDEV : 0) | + (streams_subdev ? V4L2_SUBDEV_CAP_STREAMS : 0); return 0; } |