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| author | Benjamin Gaignard <benjamin.gaignard@collabora.com> | 2023-11-09 17:34:50 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-11-23 12:33:19 +0100 |
| commit | 88d9ce34a6aa19620911c4e149d99d40307b9f72 (patch) | |
| tree | 53b3e4d14051a34f94714e0c6fde5fa3938e07e0 /samples/v4l | |
| parent | media: touchscreen: sur40: Stop direct calls to queue num_buffers field (diff) | |
| download | linux-88d9ce34a6aa19620911c4e149d99d40307b9f72.tar.xz linux-88d9ce34a6aa19620911c4e149d99d40307b9f72.zip | |
media: sample: v4l: Stop direct calls to queue num_buffers field
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
This allows us to change how the number of buffers is computed in the
future.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'samples/v4l')
| -rw-r--r-- | samples/v4l/v4l2-pci-skeleton.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c index a61f94db18d9..a65aa9d1e9da 100644 --- a/samples/v4l/v4l2-pci-skeleton.c +++ b/samples/v4l/v4l2-pci-skeleton.c @@ -155,6 +155,7 @@ static int queue_setup(struct vb2_queue *vq, unsigned int sizes[], struct device *alloc_devs[]) { struct skeleton *skel = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); skel->field = skel->format.field; if (skel->field == V4L2_FIELD_ALTERNATE) { @@ -167,8 +168,8 @@ static int queue_setup(struct vb2_queue *vq, skel->field = V4L2_FIELD_TOP; } - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers = 3 - q_num_bufs; if (*nplanes) return sizes[0] < skel->format.sizeimage ? -EINVAL : 0; |