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media: gspca: refactor endpoint lookup

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Use the common USB helper for looking up interrupt-in endpoints instead
of open coding.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Johan Hovold 2026-03-30 12:11:39 +02:00 committed by Hans Verkuil
parent 99feb05904
commit 84d87d5194
1 changed files with 6 additions and 11 deletions
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17
drivers/media/usb/gspca/gspca.c
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@ -208,22 +208,17 @@ static int alloc_and_submit_int_urb(struct gspca_dev *gspca_dev,
static void gspca_input_create_urb(struct gspca_dev *gspca_dev)
{
struct usb_interface *intf;
struct usb_host_interface *intf_desc;
struct usb_endpoint_descriptor *ep;
int i;
int ret;
if (gspca_dev->sd_desc->int_pkt_scan) {
intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
intf_desc = intf->cur_altsetting;
for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) {
ep = &intf_desc->endpoint[i].desc;
if (usb_endpoint_dir_in(ep) &&
usb_endpoint_xfer_int(ep)) {
alloc_and_submit_int_urb(gspca_dev, ep);
break;
}
}
ret = usb_find_int_in_endpoint(intf->cur_altsetting, &ep);
if (ret)
return;
alloc_and_submit_int_urb(gspca_dev, ep);
}
}