buffer += buffer[0];
}
- /* Check if the optional status endpoint is present. */
- if (alts->desc.bNumEndpoints == 1) {
+ /* Check if the optional status endpoint is present. Built-in iSight
+ * webcams have an interrupt endpoint but spit proprietary data that
+ * don't conform to the UVC status endpoint messages. Don't try to
+ * handle the interrupt endpoint for those cameras.
+ */
+ if (alts->desc.bNumEndpoints == 1 &&
+ !(dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT)) {
struct usb_host_endpoint *ep = &alts->endpoint[0];
struct usb_endpoint_descriptor *desc = &ep->desc;