PWRDOWN 191 drivers/input/touchscreen/ads7846.c #define PWRDOWN (READ_12BIT_DFR(y, 0, 0)) /* LAST */ PWRDOWN 50 drivers/input/touchscreen/tsc2007.h #define PWRDOWN (TSC2007_12BIT | TSC2007_POWER_OFF_IRQ_EN)