b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 307) static int anx7808_dvdd_onoff(bool on)
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 308) {
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 309)        static bool power_state = 0;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 310)        static struct regulator *anx7808_dvdd_reg = NULL;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 311)        int rc = 0;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 312)
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 313)        if (power_state == on) {
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 314)                pr_info("anx7808 dvdd is already %s \n", power_state ? "on" : "off");
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 315)                goto out;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 316)        }
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 317)
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 318)        if (!anx7808_dvdd_reg) {
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 319)                anx7808_dvdd_reg= regulator_get(NULL, "slimport_dvdd");
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 320)                if (IS_ERR(anx7808_dvdd_reg)) {
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 321)                        rc = PTR_ERR(anx7808_dvdd_reg);
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 322)                        pr_err("%s: regulator_get anx7808_dvdd_reg failed. rc=%d\n",
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 323)                                        __func__, rc);
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 324)                        anx7808_dvdd_reg = NULL;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 325)                        goto out;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 326)                }
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 327)                rc = regulator_set_voltage(anx7808_dvdd_reg, 1100000, 1100000);
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 328)                if (rc ) {
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 329)                        pr_err("%s: regulator_set_voltage anx7808_dvdd_reg failed\
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 330)                                rc=%d\n", __func__, rc);
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 331)                        goto out;
b4826d07 (choongryeol.lee 2012-07-11 18:13:49 -0700 332)                }