always response if GET_INTERFACE even if class driver does not support alt interface
This commit is contained in:
parent
ae9f01fe95
commit
0ddbda08cb
|
@ -573,7 +573,16 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
|
|||
|
||||
// all requests to Interface (STD or Class) is forwarded to class driver.
|
||||
// notable requests are: GET HID REPORT DESCRIPTOR, SET_INTERFACE, GET_INTERFACE
|
||||
TU_VERIFY(invoke_class_control(rhport, drvid, p_request));
|
||||
if ( !invoke_class_control(rhport, drvid, p_request) )
|
||||
{
|
||||
// For STD GET_INTERFACE even if class driver doesn't support alternate setting
|
||||
// It is still mandatory to response with value of zero
|
||||
TU_VERIFY( TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type &&
|
||||
TUSB_REQ_GET_INTERFACE == p_request->bRequest);
|
||||
|
||||
uint8_t alternate = 0;
|
||||
tud_control_xfer(rhport, p_request, &alternate, 1);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
Loading…
Reference in New Issue