CHAN_MASK_TOUCHSCREEN_4WIRE 231 drivers/iio/adc/at91_adc.c #define CHAN_MASK_TOUCHSCREEN_4WIRE (0xf << 0) CHAN_MASK_TOUCHSCREEN_4WIRE 135 include/linux/mfd/mxs-lradc.h #define CHAN_MASK_TOUCHSCREEN_4WIRE (0xf << 2)