diff options
| -rw-r--r-- | daemon/usb-linux.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/daemon/usb-linux.c b/daemon/usb-linux.c index c09cdc9..6f25ed4 100644 --- a/daemon/usb-linux.c +++ b/daemon/usb-linux.c @@ -322,23 +322,8 @@ static int usb_discover(void) usbdev->pid = devdesc.idProduct; usbdev->dev = handle; usbdev->alive = 1; - usbdev->wMaxPacketSize = 0; - struct libusb_config_descriptor *cfg; - if (libusb_get_active_config_descriptor(dev, &cfg) == 0 - && cfg && cfg->bNumInterfaces >= (USB_INTERFACE+1)) { - const struct libusb_interface *ifp = &cfg->interface[USB_INTERFACE]; - if (ifp && ifp->num_altsetting >= 1) { - const struct libusb_interface_descriptor *as = &ifp->altsetting[0]; - int i; - for (i = 0; i < as->bNumEndpoints; i++) { - const struct libusb_endpoint_descriptor *ep = &as->endpoint[i]; - if (ep->bEndpointAddress == BULK_OUT) { - usbdev->wMaxPacketSize = ep->wMaxPacketSize; - } - } - } - } - if (usbdev->wMaxPacketSize == 0) { + usbdev->wMaxPacketSize = libusb_get_max_packet_size(dev, BULK_OUT); + if (usbdev->wMaxPacketSize <= 0) { usbmuxd_log(LL_ERROR, "Could not determine wMaxPacketSize for device %d-%d, setting to 64", usbdev->bus, usbdev->address); usbdev->wMaxPacketSize = 64; } else { |