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: zhong jiang <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
mrcsosa · Nov 27, 2020 · 7ae5308 · 7ae5308
1 parent eeb76af
commit 7ae5308
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -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