ALSA: aica: Use managed buffer allocation

Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and got
dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-61-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index bf1fb0d..8ff88d7 100644 (file)
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -363,23 +363,6 @@ static int snd_aicapcm_pcm_close(struct snd_pcm_substream
        return 0;
 }
 
-static int snd_aicapcm_pcm_hw_free(struct snd_pcm_substream
-                                  *substream)
-{
-       /* Free the DMA buffer */
-       return snd_pcm_lib_free_pages(substream);
-}
-
-static int snd_aicapcm_pcm_hw_params(struct snd_pcm_substream
-                                    *substream, struct snd_pcm_hw_params
-                                    *hw_params)
-{
-       /* Allocate a DMA buffer using ALSA built-ins */
-       return
-           snd_pcm_lib_malloc_pages(substream,
-                                    params_buffer_bytes(hw_params));
-}
-
 static int snd_aicapcm_pcm_prepare(struct snd_pcm_substream
                                   *substream)
 {
@@ -417,8 +400,6 @@ static const struct snd_pcm_ops snd_aicapcm_playback_ops = {
        .open = snd_aicapcm_pcm_open,
        .close = snd_aicapcm_pcm_close,
        .ioctl = snd_pcm_lib_ioctl,
-       .hw_params = snd_aicapcm_pcm_hw_params,
-       .hw_free = snd_aicapcm_pcm_hw_free,
        .prepare = snd_aicapcm_pcm_prepare,
        .trigger = snd_aicapcm_pcm_trigger,
        .pointer = snd_aicapcm_pcm_pointer,
@@ -441,11 +422,11 @@ static int __init snd_aicapcmchip(struct snd_card_aica
        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
                        &snd_aicapcm_playback_ops);
        /* Allocate the DMA buffers */
-       snd_pcm_lib_preallocate_pages_for_all(pcm,
-                                             SNDRV_DMA_TYPE_CONTINUOUS,
-                                             NULL,
-                                             AICA_BUFFER_SIZE,
-                                             AICA_BUFFER_SIZE);
+       snd_pcm_set_managed_buffer_all(pcm,
+                                      SNDRV_DMA_TYPE_CONTINUOUS,
+                                      NULL,
+                                      AICA_BUFFER_SIZE,
+                                      AICA_BUFFER_SIZE);
        return 0;
 }