diff options
Diffstat (limited to 'drivers/usb/gadget/ep0.c')
| -rw-r--r-- | drivers/usb/gadget/ep0.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/usb/gadget/ep0.c b/drivers/usb/gadget/ep0.c index 22499d36bf..aa8f91600d 100644 --- a/drivers/usb/gadget/ep0.c +++ b/drivers/usb/gadget/ep0.c @@ -338,12 +338,27 @@ static int ep0_get_descriptor (struct usb_device_instance *device, } break; case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER: +#if defined(CONFIG_USBD_HS) { - /* If a USB device supports both a full speed and low speed operation - * we must send a Device_Qualifier descriptor here - */ - return -1; + struct usb_qualifier_descriptor *qualifier_descriptor = + device->qualifier_descriptor; + + if (!qualifier_descriptor) + return -1; + + /* copy descriptor for this device */ + copy_config(urb, qualifier_descriptor, + sizeof(struct usb_qualifier_descriptor), + max); + } + dbg_ep0(3, "copied qualifier descriptor, actual_length: 0x%x", + urb->actual_length); +#else + return -1; +#endif + break; + default: return -1; } |