diff options
Diffstat (limited to 'hw/usb-desc.c')
| -rw-r--r-- | hw/usb-desc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/usb-desc.c b/hw/usb-desc.c index b9996a1264..9c3866180e 100644 --- a/hw/usb-desc.c +++ b/hw/usb-desc.c @@ -192,9 +192,10 @@ int usb_desc_iface(const USBDescIface *iface, uint8_t *dest, size_t len) int usb_desc_endpoint(const USBDescEndpoint *ep, uint8_t *dest, size_t len) { - uint8_t bLength = 0x07; + uint8_t bLength = ep->is_audio ? 0x09 : 0x07; + uint8_t extralen = ep->extra ? ep->extra[0] : 0; - if (len < bLength) { + if (len < bLength + extralen) { return -1; } @@ -205,8 +206,15 @@ int usb_desc_endpoint(const USBDescEndpoint *ep, uint8_t *dest, size_t len) dest[0x04] = usb_lo(ep->wMaxPacketSize); dest[0x05] = usb_hi(ep->wMaxPacketSize); dest[0x06] = ep->bInterval; + if (ep->is_audio) { + dest[0x07] = ep->bRefresh; + dest[0x08] = ep->bSynchAddress; + } + if (ep->extra) { + memcpy(dest + bLength, ep->extra, extralen); + } - return bLength; + return bLength + extralen; } int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len) |