Hi Felipe,
Thank you for the patch.
On Monday 31 Oct 2016 12:48:06 Felipe Balbi wrote:
> 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>
Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> 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;
--
Regards,
Laurent Pinchart
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