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media: v4l2-dv-timings: Use DIV_ROUND_CLOSEST directly to make it readable 

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@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
zhong jiang 2019-10-09 11:55:25 -03:00 committed by Mauro Carvalho Chehab
parent 9ecb6718c6
commit d973933858
1 changed files with 1 additions and 1 deletions
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drivers/media/v4l2-core/v4l2-dv-timings.c
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@ -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;