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media: uvcvideo: Use DIV_ROUND_CLOSEST directly to make it readable

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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
zhong jiang 2019-10-09 16:55:24 +02:00 committed by Mauro Carvalho Chehab
parent eeb76afbe8
commit 7ae5308190
1 changed files with 2 additions and 2 deletions
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4
drivers/media/usb/uvc/uvc_ctrl.c
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@ -1608,8 +1608,8 @@ int uvc_ctrl_set(struct uvc_fh *handle,
if (step == 0)
step = 1;
xctrl->value = min + ((u32)(xctrl->value - min) + step / 2)
/ step * step;
xctrl->value = min + DIV_ROUND_CLOSEST((u32)(xctrl->value - min),
step) * step;
if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED)
xctrl->value = clamp(xctrl->value, min, max);
else