We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> Cc: <linux-media@xxxxxxxxxxxxxxx> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html