* [PATCH v2] media: saa7134: use swap() to make code cleaner
@ 2021-12-20 7:46 davidcomponentone
0 siblings, 0 replies; only message in thread
From: davidcomponentone @ 2021-12-20 7:46 UTC (permalink / raw)
To: mchehab
Cc: davidcomponentone, arnd, hverkuil-cisco, laurent.pinchart,
yang.guang5, linux-media, linux-kernel, Zeal Robot
From: Yang Guang <yang.guang5@zte.com.cn>
Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.
---
Change from V1->V2:
- Delete the curly {} braces.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
---
drivers/media/pci/saa7134/saa7134-video.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 374c8e1087de..7bc4c7709f4d 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -823,7 +823,7 @@ static int buffer_activate(struct saa7134_dev *dev,
{
struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
unsigned long base,control,bpl;
- unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
+ unsigned long bpl_uv, lines_uv, base2, base3; /* planar */
video_dbg("buffer_activate buf=%p\n", buf);
buf->top_seen = 0;
@@ -868,11 +868,8 @@ static int buffer_activate(struct saa7134_dev *dev,
lines_uv = dev->height >> dev->fmt->vshift;
base2 = base + bpl * dev->height;
base3 = base2 + bpl_uv * lines_uv;
- if (dev->fmt->uvswap) {
- tmp = base2;
- base2 = base3;
- base3 = tmp;
- }
+ if (dev->fmt->uvswap)
+ swap(base2, base3);
video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
bpl_uv,lines_uv,base2,base3);
if (V4L2_FIELD_HAS_BOTH(dev->field)) {
--
2.30.2
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