tsc2007_xfer
int tsc2007_xfer(struct tsc2007 *tsc, u8 cmd);
err = tsc2007_xfer(ts, PWRDOWN);
err = tsc2007_xfer(ts, PWRDOWN);
tc->y = tsc2007_xfer(tsc, READ_Y);
tc->x = tsc2007_xfer(tsc, READ_X);
tc->z1 = tsc2007_xfer(tsc, READ_Z1);
tc->z2 = tsc2007_xfer(tsc, (TSC2007_POWER_OFF_IRQ_EN | TSC2007_MEASURE_Z2));
*val = tsc2007_xfer(tsc, READ_X);
*val = tsc2007_xfer(tsc, READ_Y);
*val = tsc2007_xfer(tsc, READ_Z1);
*val = tsc2007_xfer(tsc, READ_Z2);
*val = tsc2007_xfer(tsc, (ADC_ON_12BIT | TSC2007_MEASURE_AUX));
tc.x = tsc2007_xfer(tsc, READ_X);
tc.z1 = tsc2007_xfer(tsc, READ_Z1);
tc.z2 = tsc2007_xfer(tsc, READ_Z2);
*val = tsc2007_xfer(tsc,
*val = tsc2007_xfer(tsc,
tsc2007_xfer(tsc, PWRDOWN);