return 0;
 }
 
-static int sis_playback_hw_params(struct snd_pcm_substream *substream,
-                                       struct snd_pcm_hw_params *hw_params)
-{
-       return snd_pcm_lib_malloc_pages(substream,
-                                       params_buffer_bytes(hw_params));
-}
-
-static int sis_hw_free(struct snd_pcm_substream *substream)
-{
-       return snd_pcm_lib_free_pages(substream);
-}
-
 static int sis_pcm_playback_prepare(struct snd_pcm_substream *substream)
 {
        struct snd_pcm_runtime *runtime = substream->runtime;
        if (rc)
                goto out;
 
-       rc = snd_pcm_lib_malloc_pages(substream,
-                                       params_buffer_bytes(hw_params));
-       if (rc < 0)
-               goto out;
-
        rc = sis_alloc_timing_voice(substream, hw_params);
 
 out:
        .open = sis_playback_open,
        .close = sis_substream_close,
        .ioctl = snd_pcm_lib_ioctl,
-       .hw_params = sis_playback_hw_params,
-       .hw_free = sis_hw_free,
        .prepare = sis_pcm_playback_prepare,
        .trigger = sis_pcm_trigger,
        .pointer = sis_pcm_pointer,
        .close = sis_substream_close,
        .ioctl = snd_pcm_lib_ioctl,
        .hw_params = sis_capture_hw_params,
-       .hw_free = sis_hw_free,
        .prepare = sis_pcm_capture_prepare,
        .trigger = sis_pcm_trigger,
        .pointer = sis_pcm_pointer,
        /* Try to preallocate some memory, but it's not the end of the
         * world if this fails.
         */
-       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                             &sis->pci->dev,
-                                             64*1024, 128*1024);
+       snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+                                      &sis->pci->dev, 64*1024, 128*1024);
 
        return 0;
 }