Messages in this thread Patch in this message | | | From | zhong jiang <> | Subject | [PATCH 4/4] media: v4l2-dv-timings: Use DIV_ROUND_CLOSEST directly to make it readable | Date | Fri, 6 Sep 2019 00:14:52 +0800 |
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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> --- 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
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