On Di, 2018-07-24 at 15:36 -0700, Patong Yang wrote:
> +static int xrusb_ctrl_msg(struct xrusb *xrusb,
> + int request, int value, void *buf, int len)
> +{
> + int rv = usb_control_msg(xrusb->dev,
> + usb_sndctrlpipe(xrusb->dev, 0),
> + request,
> + USB_RT_XRUSB,
> + value,
> + xrusb->control->altsetting[0].desc.bInterfaceNumber,
> + buf,
> + len,
> + 5000);
Please use the symbolic constant.
> + return rv < 0 ? rv : 0;
> +}
Regards
Oliver
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