media: i2c: video-i2c: 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. Fix the number of buffers computation at the same time. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> CC: Matt Ranostay <matt.ranostay@konsulko.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>
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@ -405,9 +405,10 @@ static int queue_setup(struct vb2_queue *vq,
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{
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struct video_i2c_data *data = vb2_get_drv_priv(vq);
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unsigned int size = data->chip->buffer_size;
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unsigned int q_num_bufs = vb2_get_num_buffers(vq);
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if (vq->num_buffers + *nbuffers < 2)
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*nbuffers = 2;
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if (q_num_bufs + *nbuffers < 2)
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*nbuffers = 2 - q_num_bufs;
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if (*nplanes)
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return sizes[0] < size ? -EINVAL : 0;
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