}
 
 /* we need to unmute the HP at shutdown as the mute burns power on poodle */
-static int poodle_shutdown(struct snd_pcm_substream *substream)
+static void poodle_shutdown(struct snd_pcm_substream *substream)
 {
-       struct snd_soc_pcm_runtime *rtd = substream->private_data;
-       struct snd_soc_codec *codec = rtd->socdev->codec;
-
        /* set = unmute headphone */
        locomo_gpio_write(&poodle_locomo_device.dev,
                POODLE_LOCOMO_GPIO_MUTE_L, 1);
        locomo_gpio_write(&poodle_locomo_device.dev,
                POODLE_LOCOMO_GPIO_MUTE_R, 1);
-       return 0;
 }
 
 static int poodle_hw_params(struct snd_pcm_substream *substream,
        SOC_ENUM_SINGLE_EXT(2, spk_function),
 };
 
-static const snd_kcontrol_new_t wm8731_poodle_controls[] = {
+static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
        SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
                poodle_set_jack),
        SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,