[PATCH v15 33/56] touchscreen: sur40: Stop direct calls to queue num_buffers field
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-11-09 16:39:23
Also in:
linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
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 <redacted> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> --- drivers/input/touchscreen/sur40.c | 5 +++-- 1 file 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;
--
2.39.2
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