diff options
Diffstat (limited to 'hw/usb/desc.c')
| -rw-r--r-- | hw/usb/desc.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/hw/usb/desc.c b/hw/usb/desc.c index de7e2043b5..5cecb25f2f 100644 --- a/hw/usb/desc.c +++ b/hw/usb/desc.c @@ -53,22 +53,23 @@ int usb_desc_device_qualifier(const USBDescDevice *dev, uint8_t *dest, size_t len) { uint8_t bLength = 0x0a; + USBDescriptor *d = (void *)dest; if (len < bLength) { return -1; } - dest[0x00] = bLength; - dest[0x01] = USB_DT_DEVICE_QUALIFIER; - - dest[0x02] = usb_lo(dev->bcdUSB); - dest[0x03] = usb_hi(dev->bcdUSB); - dest[0x04] = dev->bDeviceClass; - dest[0x05] = dev->bDeviceSubClass; - dest[0x06] = dev->bDeviceProtocol; - dest[0x07] = dev->bMaxPacketSize0; - dest[0x08] = dev->bNumConfigurations; - dest[0x09] = 0; /* reserved */ + d->bLength = bLength; + d->bDescriptorType = USB_DT_DEVICE_QUALIFIER; + + d->u.device_qualifier.bcdUSB_lo = usb_lo(dev->bcdUSB); + d->u.device_qualifier.bcdUSB_hi = usb_hi(dev->bcdUSB); + d->u.device_qualifier.bDeviceClass = dev->bDeviceClass; + d->u.device_qualifier.bDeviceSubClass = dev->bDeviceSubClass; + d->u.device_qualifier.bDeviceProtocol = dev->bDeviceProtocol; + d->u.device_qualifier.bMaxPacketSize0 = dev->bMaxPacketSize0; + d->u.device_qualifier.bNumConfigurations = dev->bNumConfigurations; + d->u.device_qualifier.bReserved = 0; return bLength; } |