tsc_readl
!(tsc_readl(tsc, LPC32XX_TSC_STAT) &
tmp = tsc_readl(tsc, LPC32XX_TSC_FIFO);
tsc_readl(tsc, LPC32XX_TSC_CON) &
tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;
while (!(tsc_readl(tsc, LPC32XX_TSC_STAT) &
tsc_readl(tsc, LPC32XX_TSC_FIFO);
tmp = tsc_readl(tsc, LPC32XX_TSC_STAT);