ab8500_charger_usb_en
ret = ab8500_charger_usb_en(&di->usb_chg, true, vset_uv, iset_ua);
ab8500_charger_usb_en(&di->usb_chg, 0, 0, 0);
ab8500_charger_usb_en(&di->usb_chg, false, 0, 0);
di->usb_chg.ops.enable = &ab8500_charger_usb_en;