ip5xxx_read
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.chg_end, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.status, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.status, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.timeout, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.battery.type, &rval);
ret = ip5xxx_read(ip5xxx, regs->low, &lo);
ret = ip5xxx_read(ip5xxx, regs->high, &hi);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.const_curr_sel, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.charger.const_volt_sel, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.boost.enable, &rval);
ret = ip5xxx_read(ip5xxx, ip5xxx->regs.boost.undervolt_limit, &rval);