From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga03.intel.com ([134.134.136.65]:28807 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935146AbcJaKuG (ORCPT ); Mon, 31 Oct 2016 06:50:06 -0400 From: Felipe Balbi To: Linux USB Cc: Felipe Balbi , Laurent Pinchart , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH 14/82] media: usb: uvc: make use of new usb_endpoint_maxp_mult() Date: Mon, 31 Oct 2016 12:48:06 +0200 Message-Id: <20161031104914.1990-15-felipe.balbi@linux.intel.com> In-Reply-To: <20161031104914.1990-1-felipe.balbi@linux.intel.com> References: <20161031104914.1990-1-felipe.balbi@linux.intel.com> Sender: linux-media-owner@vger.kernel.org List-ID: We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Laurent Pinchart Cc: Mauro Carvalho Chehab Cc: Signed-off-by: Felipe Balbi --- drivers/media/usb/uvc/uvc_video.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index b5589d5f5da4..11e0e5f4e1c2 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1467,6 +1467,7 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev, struct usb_host_endpoint *ep) { u16 psize; + u16 mult; switch (dev->speed) { case USB_SPEED_SUPER: @@ -1474,7 +1475,8 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev, return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval); case USB_SPEED_HIGH: psize = usb_endpoint_maxp(&ep->desc); - return (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); + mult = usb_endpoint_maxp_mult(&ep->desc); + return (psize & 0x07ff) * mult; case USB_SPEED_WIRELESS: psize = usb_endpoint_maxp(&ep->desc); return psize; -- 2.10.1