diff options
| author |   zhong jiang <zhongjiang@huawei.com> | 2019-10-09 16:55:24 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-11-27 10:19:29 +0100 |
| commit | 7ae53081901b52cebfdd5b39b373abaac5d1d4ef (patch) | |
| tree | 780c82cd89af1b34bbbd05443067b483d5816304 /drivers/media/usb/uvc/uvc_ctrl.c | |
| parent | media: imx214: Fix stop streaming (diff) | |
| download | wireguard-linux-7ae53081901b52cebfdd5b39b373abaac5d1d4ef.tar.xz wireguard-linux-7ae53081901b52cebfdd5b39b373abaac5d1d4ef.zip | |
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 <zhongjiang@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/usb/uvc/uvc_ctrl.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index f479d8971dfb..011e69427b7c 100644 --- 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 |