IBAT_VDROP_L 770 drivers/mfd/ab8500-gpadc.c V_gain = ((IBAT_VDROP_H - IBAT_VDROP_L) IBAT_VDROP_L 774 drivers/mfd/ab8500-gpadc.c (((IBAT_VDROP_H - IBAT_VDROP_L) <<