CHAN_MASK_TOUCHSCREEN_4WIRE  475 drivers/iio/adc/at91_adc.c 		rsvd_mask = CHAN_MASK_TOUCHSCREEN_4WIRE;
CHAN_MASK_TOUCHSCREEN_4WIRE  549 drivers/iio/adc/mxs-lradc-adc.c 		rsvd_mask |= CHAN_MASK_TOUCHSCREEN_4WIRE;