+
+int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
+{
+ int ret;
+
+ if (dvfs) {
+ adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
+ if (IS_ERR(adsp->dvfs)) {
+ ret = PTR_ERR(adsp->dvfs);
+ dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_enable(adsp->dvfs);
+ if (ret != 0) {
+ dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
+ if (ret != 0) {
+ dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = regulator_disable(adsp->dvfs);
+ if (ret != 0) {
+ dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm_adsp2_init);