sun4i_gpadc_chan_select 63 drivers/iio/adc/sun4i-gpadc-iio.c .adc_chan_select = &sun4i_gpadc_chan_select, sun4i_gpadc_chan_select 72 drivers/iio/adc/sun4i-gpadc-iio.c .adc_chan_select = &sun4i_gpadc_chan_select,