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media: usb: uvc: make use of new usb_endpoint_maxp_mult()
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: <linux-media@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -1467,6 +1467,7 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev,
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struct usb_host_endpoint *ep)
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{
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u16 psize;
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u16 mult;
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switch (dev->speed) {
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case USB_SPEED_SUPER:
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@ -1474,7 +1475,8 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev,
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return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval);
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case USB_SPEED_HIGH:
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psize = usb_endpoint_maxp(&ep->desc);
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return (psize & 0x07ff) * (1 + ((psize >> 11) & 3));
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mult = usb_endpoint_maxp_mult(&ep->desc);
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return (psize & 0x07ff) * mult;
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case USB_SPEED_WIRELESS:
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psize = usb_endpoint_maxp(&ep->desc);
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return psize;
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