+static int power_supply_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
+ if (ret)
+ goto err_cs_ac;
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");
+ if (ret)
+ goto err_cs_usb;
+ ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");
+ if (ret)
+ goto err_chg_en;
+ ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");
+ if (!ret)
+ ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);
+ if (ret)
+ goto err_nchg_en;
+
+ return 0;
+
+err_nchg_en:
+ gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
+err_chg_en:
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
+err_cs_usb:
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
+err_cs_ac:
+ return ret;
+}
+