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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2023-11-09 17:34:49 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-11-23 12:32:58 +0100
commit11678528576e5e9ac857e0faa656fa2b00cda0d3 (patch)
tree016fc20c430d7f0c475d2bc3f16ddb8936291fd2 /drivers/input
parent8858adab5004d3e7d2370d822621d23b07aaa371 (diff)
media: touchscreen: sur40: 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> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/sur40.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 8ddb3f7d307a..e7d2a52169a0 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -847,9 +847,10 @@ static int sur40_queue_setup(struct vb2_queue *q,
unsigned int sizes[], struct device *alloc_devs[])
{
struct sur40_state *sur40 = vb2_get_drv_priv(q);
+ unsigned int q_num_bufs = vb2_get_num_buffers(q);
- if (q->num_buffers + *nbuffers < 3)
- *nbuffers = 3 - q->num_buffers;
+ if (q_num_bufs + *nbuffers < 3)
+ *nbuffers = 3 - q_num_bufs;
if (*nplanes)
return sizes[0] < sur40->pix_fmt.sizeimage ? -EINVAL : 0;