struct snd_soc_codec *codec = w->codec;
        struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
        struct wm_adsp *dsp = &dsps[w->shift];
+       struct wm_adsp_alg_region *alg_region;
        struct wm_coeff_ctl *ctl;
        int ret;
        int val;
 
                list_for_each_entry(ctl, &dsp->ctl_list, list)
                        ctl->enabled = 0;
+
+               while (!list_empty(&dsp->alg_regions)) {
+                       alg_region = list_first_entry(&dsp->alg_regions,
+                                                     struct wm_adsp_alg_region,
+                                                     list);
+                       list_del(&alg_region->list);
+                       kfree(alg_region);
+               }
                break;
 
        default: