DUMMY_INDEX_DIFFVOLTAGE_3M4 186 drivers/iio/dummy/iio_simple_dummy.c .scan_index = DUMMY_INDEX_DIFFVOLTAGE_3M4, DUMMY_INDEX_DIFFVOLTAGE_3M4 30 drivers/iio/dummy/iio_simple_dummy_buffer.c [DUMMY_INDEX_DIFFVOLTAGE_3M4] = -2,