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media: uvcvideo: Simplify uvc_endpoint_max_bpi()

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The case USB_SPEED_WIRELESS and the default one were doing the same.

Also, make always use of usb_endpoint_maxp_mult, as it should have a
sane value, even for LOW speed and WIRELESS.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Ricardo Ribalda 2022-04-01 19:24:36 +02:00 committed by Mauro Carvalho Chehab
parent 18a9b21f7a
commit c89d3bbbfc
1 changed files with 1 additions and 8 deletions
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9
drivers/media/usb/uvc/uvc_video.c
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@ -1758,21 +1758,14 @@ 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:
case USB_SPEED_SUPER_PLUS:
return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval);
case USB_SPEED_HIGH:
psize = usb_endpoint_maxp(&ep->desc);
mult = usb_endpoint_maxp_mult(&ep->desc);
return psize * mult;
case USB_SPEED_WIRELESS:
psize = usb_endpoint_maxp(&ep->desc);
return psize;
default:
psize = usb_endpoint_maxp(&ep->desc);
psize *= usb_endpoint_maxp_mult(&ep->desc);
return psize;
}
}