ADC_CH_BKBAT_MIN 269 drivers/mfd/ab8500-gpadc.c res = ADC_CH_BKBAT_MIN + ADC_CH_BKBAT_MIN 270 drivers/mfd/ab8500-gpadc.c (ADC_CH_BKBAT_MAX - ADC_CH_BKBAT_MIN) * ad_value /