Commit 7ae53081 authored by zhong jiang's avatar zhong jiang Committed by Mauro Carvalho Chehab
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media: uvcvideo: 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: default avatarzhong jiang <zhongjiang@huawei.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent eeb76afb

drivers/media/usb/uvc/uvc_ctrl.c

+2 −2
Original line number Diff line number Diff line
@@ -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