[PATCH 1/2] media: uvc: simplify uvc_enpoint_max_bpi

From: Ricardo Ribalda
Date: Fri Apr 01 2022 - 13:24:59 EST


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@xxxxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_video.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 1b4cc934109e..a2dcfeaaac1b 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1760,21 +1760,14 @@ 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;
}
}
--
2.35.1.1094.g7c7d902a7c-goog