START_TRANSMIT
if ((dmfep->opmode & START_TRANSMIT) == 0)
dmfe_start_chip(dmfep, START_TRANSMIT);
dmfep->opmode &= ~(START_TRANSMIT | START_RECEIVE);
mode & START_TRANSMIT ? CHIP_TX_ONLY : CHIP_STOPPED;
if (!(val & START_TRANSMIT))
val & ~(START_TRANSMIT | START_RECEIVE));
val | START_TRANSMIT);
val & ~(START_TRANSMIT | START_RECEIVE));