SPI_SIGNAL_HVD
spi_signalling(host) = hostdata->differential ? SPI_SIGNAL_HVD :
SPI_SIGNAL_HVD :
type = SPI_SIGNAL_HVD;
type = SPI_SIGNAL_HVD;
{ SPI_SIGNAL_HVD, "HVD" },
spi_signalling(shost) == SPI_SIGNAL_HVD ||
type = SPI_SIGNAL_HVD;