ALSA: fm801: 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/20191209094943.14984-40-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index a7f8109..7071732 100644 (file)
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -435,17 +435,6 @@ static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
        return 0;
 }
 
-static int snd_fm801_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 snd_fm801_hw_free(struct snd_pcm_substream *substream)
-{
-       return snd_pcm_lib_free_pages(substream);
-}
-
 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 {
        struct fm801 *chip = snd_pcm_substream_chip(substream);
@@ -685,8 +674,6 @@ static const struct snd_pcm_ops snd_fm801_playback_ops = {
        .open =         snd_fm801_playback_open,
        .close =        snd_fm801_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
-       .hw_params =    snd_fm801_hw_params,
-       .hw_free =      snd_fm801_hw_free,
        .prepare =      snd_fm801_playback_prepare,
        .trigger =      snd_fm801_playback_trigger,
        .pointer =      snd_fm801_playback_pointer,
@@ -696,8 +683,6 @@ static const struct snd_pcm_ops snd_fm801_capture_ops = {
        .open =         snd_fm801_capture_open,
        .close =        snd_fm801_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,
-       .hw_params =    snd_fm801_hw_params,
-       .hw_free =      snd_fm801_hw_free,
        .prepare =      snd_fm801_capture_prepare,
        .trigger =      snd_fm801_capture_trigger,
        .pointer =      snd_fm801_capture_pointer,
@@ -720,9 +705,8 @@ static int snd_fm801_pcm(struct fm801 *chip, int device)
        strcpy(pcm->name, "FM801");
        chip->pcm = pcm;
 
-       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                             &pdev->dev,
-                                             chip->multichannel ? 128*1024 : 64*1024, 128*1024);
+       snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
+                                      chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 
        return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
                                     snd_pcm_alt_chmaps,