AR5K_AR5210_TRIG_LVL
trigger_level = AR5K_REG_READ(AR5K_AR5210_TRIG_LVL);
AR5K_REG_WRITE(AR5K_AR5210_TRIG_LVL, trigger_level);
{ AR5K_AR5210_TRIG_LVL, AR5K_TUNE_MIN_TX_FIFO_THRES }, \