READ_Z1           187 drivers/input/touchscreen/ads7846.c #define	READ_Z1(vref)	(READ_12BIT_DFR(z1, 1, vref))
READ_Z1            47 drivers/input/touchscreen/tsc2007.h #define READ_Z1		(ADC_ON_12BIT | TSC2007_MEASURE_Z1)