{
        struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
        struct wm8904_pdata *pdata = wm8904->pdata;
-       u16 *reg_cache = codec->reg_cache;
        int ret, i;
 
        codec->cache_sync = 1;
                        if (!pdata->gpio_cfg[i])
                                continue;
 
-                       reg_cache[WM8904_GPIO_CONTROL_1 + i]
-                               = pdata->gpio_cfg[i] & 0xffff;
+                       regmap_update_bits(wm8904->regmap,
+                                          WM8904_GPIO_CONTROL_1 + i,
+                                          0xffff,
+                                          pdata->gpio_cfg[i]);
                }
 
                /* Zero is the default value for these anyway */
                for (i = 0; i < WM8904_MIC_REGS; i++)
-                       reg_cache[WM8904_MIC_BIAS_CONTROL_0 + i]
-                               = pdata->mic_cfg[i];
+                       regmap_update_bits(wm8904->regmap,
+                                          WM8904_MIC_BIAS_CONTROL_0 + i,
+                                          0xffff,
+                                          pdata->mic_cfg[i]);
        }
 
        /* Set Class W by default - this will be managed by the Class