+int axp221_set_eldo(int eldo_num, unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
+ u8 addr, bits;
+
+ switch (eldo_num) {
+ case 3:
+ addr = AXP221_ELDO3_CTRL;
+ bits = AXP221_OUTPUT_CTRL2_ELDO3_EN;
+ break;
+ case 2:
+ addr = AXP221_ELDO2_CTRL;
+ bits = AXP221_OUTPUT_CTRL2_ELDO2_EN;
+ break;
+ case 1:
+ addr = AXP221_ELDO1_CTRL;
+ bits = AXP221_OUTPUT_CTRL2_ELDO1_EN;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (mvolt == 0)
+ return axp221_clrbits(AXP221_OUTPUT_CTRL2, bits);
+
+ ret = pmic_bus_write(addr, cfg);
+ if (ret)
+ return ret;
+
+ return axp221_setbits(AXP221_OUTPUT_CTRL2, bits);
+}
+