static void uvc_status_complete(struct urb *urb) { struct uvc_device *dev = urb->context; int len, ret; switch (urb->status) { case 0: break; case -ENOENT: /* usb_kill_urb() called. */ case -ECONNRESET: /* usb_unlink_urb() called. */ case -ESHUTDOWN: /* The endpoint is being disabled. */ case -EPROTO: /* Device is disconnected (reported by some * host controller). */ return; default: uvc_printk(KERN_WARNING, "Non-zero status (%d) in status " "completion handler.\n", urb->status); return; } len = urb->actual_length; if (len > 0) { switch (dev->status[0] & 0x0f) { case UVC_STATUS_TYPE_CONTROL: uvc_event_control(dev, dev->status, len); dev->motion = 1; break; case UVC_STATUS_TYPE_STREAMING: uvc_event_streaming(dev, dev->status, len); break; default: uvc_trace(UVC_TRACE_STATUS, "Unknown status event " "type %u.\n", dev->status[0]); break; } } /* Resubmit the URB. */ urb->interval = dev->int_ep->desc.bInterval; if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { uvc_printk(KERN_ERR, "Failed to resubmit status URB (%d).\n", ret); } }
static void uvc_status_complete(struct urb *urb) { struct uvc_device *dev = urb->context; int len, ret; switch (urb->status) { case 0: break; case -ENOENT: case -ECONNRESET: case -ESHUTDOWN: case -EPROTO: return; default: uvc_printk(KERN_WARNING, "Non-zero status (%d) in status " "completion handler.\n", urb->status); return; } len = urb->actual_length; if (len > 0) { switch (dev->status[0] & 0x0f) { case UVC_STATUS_TYPE_CONTROL: uvc_event_control(dev, dev->status, len); break; case UVC_STATUS_TYPE_STREAMING: uvc_event_streaming(dev, dev->status, len); break; default: uvc_trace(UVC_TRACE_STATUS, "Unknown status event " "type %u.\n", dev->status[0]); break; } } urb->interval = dev->int_ep->desc.bInterval; if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { uvc_printk(KERN_ERR, "Failed to resubmit status URB (%d).\n", ret); } }