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| author | Benjamin Gaignard <benjamin.gaignard@collabora.com> | 2024-03-14 18:32:25 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-03-25 14:00:44 +0300 |
| commit | 2f2419502f6957b110dbc7d4b75e764e5f370ec2 (patch) | |
| tree | c56f7cf59150a6404c874a73877b6f4c76cc324c /drivers/media/v4l2-core | |
| parent | a3293a85381ec9680aa2929547fbc76c5d87a1b2 (diff) | |
| download | linux-2f2419502f6957b110dbc7d4b75e764e5f370ec2.tar.xz | |
media: v4l2: Add mem2mem helpers for REMOVE_BUFS ioctl
Create v4l2-mem2mem helpers for VIDIOC_REMOVE_BUFS ioctl and
make test drivers use it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-mem2mem.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 75517134a5e9..eb22d6172462 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -1386,6 +1386,21 @@ int v4l2_m2m_ioctl_create_bufs(struct file *file, void *priv, } EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_create_bufs); +int v4l2_m2m_ioctl_remove_bufs(struct file *file, void *priv, + struct v4l2_remove_buffers *remove) +{ + struct v4l2_fh *fh = file->private_data; + struct vb2_queue *q = v4l2_m2m_get_vq(fh->m2m_ctx, remove->type); + + if (!q) + return -EINVAL; + if (q->type != remove->type) + return -EINVAL; + + return vb2_core_remove_bufs(q, remove->index, remove->count); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_remove_bufs); + int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) { |