return 0;
 }
 
-static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
+static int pcm_hw_params(struct snd_pcm_substream *substream,
                                 struct snd_pcm_hw_params *hw_params)
 {
        struct snd_efw *efw = substream->private_data;
 
        return 0;
 }
-static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
-                                 struct snd_pcm_hw_params *hw_params)
-{
-       struct snd_efw *efw = substream->private_data;
-       int err;
-
-       err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
-                                              params_buffer_bytes(hw_params));
-       if (err < 0)
-               return err;
-
-       if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
-               mutex_lock(&efw->mutex);
-               ++efw->substreams_counter;
-               mutex_unlock(&efw->mutex);
-       }
-
-       return 0;
-}
-
-static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
-{
-       struct snd_efw *efw = substream->private_data;
 
-       if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
-               mutex_lock(&efw->mutex);
-               --efw->substreams_counter;
-               mutex_unlock(&efw->mutex);
-       }
-
-       snd_efw_stream_stop_duplex(efw);
-
-       return snd_pcm_lib_free_vmalloc_buffer(substream);
-}
-static int pcm_playback_hw_free(struct snd_pcm_substream *substream)
+static int pcm_hw_free(struct snd_pcm_substream *substream)
 {
        struct snd_efw *efw = substream->private_data;
 
                .open           = pcm_open,
                .close          = pcm_close,
                .ioctl          = snd_pcm_lib_ioctl,
-               .hw_params      = pcm_capture_hw_params,
-               .hw_free        = pcm_capture_hw_free,
+               .hw_params      = pcm_hw_params,
+               .hw_free        = pcm_hw_free,
                .prepare        = pcm_capture_prepare,
                .trigger        = pcm_capture_trigger,
                .pointer        = pcm_capture_pointer,
                .open           = pcm_open,
                .close          = pcm_close,
                .ioctl          = snd_pcm_lib_ioctl,
-               .hw_params      = pcm_playback_hw_params,
-               .hw_free        = pcm_playback_hw_free,
+               .hw_params      = pcm_hw_params,
+               .hw_free        = pcm_hw_free,
                .prepare        = pcm_playback_prepare,
                .trigger        = pcm_playback_trigger,
                .pointer        = pcm_playback_pointer,