[PATCH v2 4/4] media: v4l2-dv-timings: Use DIV_ROUND_CLOSEST directly to make it readable

From: zhong jiang
Date: Wed Oct 09 2019 - 10:59:26 EST


The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-dv-timings.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 4f23e93..2b399c0 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -757,7 +757,7 @@ bool v4l2_detect_gtf(unsigned frame_height,
pix_clk = pix_clk / GTF_PXL_CLK_GRAN * GTF_PXL_CLK_GRAN;

hsync = (frame_width * 8 + 50) / 100;
- hsync = ((hsync + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN) * GTF_CELL_GRAN;
+ hsync = DIV_ROUND_CLOSEST(hsync, GTF_CELL_GRAN) * GTF_CELL_GRAN;

h_fp = h_blank / 2 - hsync;

--
1.7.12.4