DP_BW_REQUEST_SUCCEEDED
u8 bw_req_mask = DP_BW_REQUEST_SUCCEEDED | DP_BW_REQUEST_FAILED;
u8 bw_req_mask = DP_BW_REQUEST_SUCCEEDED | DP_BW_REQUEST_FAILED;
return val == DP_BW_REQUEST_SUCCEEDED ? 0 : -ENOSPC;
if (val & (DP_BW_REQUEST_SUCCEEDED | DP_BW_REQUEST_FAILED))