diff options
| -rw-r--r-- | hw/usb-desc.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/usb-desc.c b/hw/usb-desc.c index 9c3866180e..0768334b8c 100644 --- a/hw/usb-desc.c +++ b/hw/usb-desc.c @@ -231,6 +231,27 @@ int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len) /* ------------------------------------------------------------------ */ +static void usb_desc_ep_init(USBDevice *dev) +{ + const USBDescIface *iface; + int i, e, pid, ep; + + usb_ep_init(dev); + for (i = 0; i < dev->ninterfaces; i++) { + iface = dev->ifaces[i]; + if (iface == NULL) { + continue; + } + for (e = 0; e < iface->bNumEndpoints; e++) { + pid = (iface->eps[e].bEndpointAddress & USB_DIR_IN) ? + USB_TOKEN_IN : USB_TOKEN_OUT; + ep = iface->eps[e].bEndpointAddress & 0x0f; + usb_ep_set_type(dev, pid, ep, iface->eps[e].bmAttributes & 0x03); + usb_ep_set_ifnum(dev, pid, ep, iface->bInterfaceNumber); + } + } +} + static const USBDescIface *usb_desc_find_interface(USBDevice *dev, int nif, int alt) { @@ -272,6 +293,7 @@ static int usb_desc_set_interface(USBDevice *dev, int index, int value) old = dev->altsetting[index]; dev->altsetting[index] = value; dev->ifaces[index] = iface; + usb_desc_ep_init(dev); if (dev->info->set_interface && old != value) { dev->info->set_interface(dev, index, old, value); |