ALSA: azt3328: 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/20191209094943.14984-28-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index f475370..5fac2d6 100644 (file)
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -1205,20 +1205,6 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip)
 }
 #endif /* AZF_USE_AC97_LAYER */
 
-static int
-snd_azf3328_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_azf3328_hw_free(struct snd_pcm_substream *substream)
-{
-       snd_pcm_lib_free_pages(substream);
-       return 0;
-}
-
 static void
 snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
                               enum azf_freq_t bitrate,
@@ -2080,8 +2066,6 @@ static const struct snd_pcm_ops snd_azf3328_playback_ops = {
        .open =         snd_azf3328_pcm_playback_open,
        .close =        snd_azf3328_pcm_close,
        .ioctl =        snd_pcm_lib_ioctl,
-       .hw_params =    snd_azf3328_hw_params,
-       .hw_free =      snd_azf3328_hw_free,
        .prepare =      snd_azf3328_pcm_prepare,
        .trigger =      snd_azf3328_pcm_trigger,
        .pointer =      snd_azf3328_pcm_pointer
@@ -2091,8 +2075,6 @@ static const struct snd_pcm_ops snd_azf3328_capture_ops = {
        .open =         snd_azf3328_pcm_capture_open,
        .close =        snd_azf3328_pcm_close,
        .ioctl =        snd_pcm_lib_ioctl,
-       .hw_params =    snd_azf3328_hw_params,
-       .hw_free =      snd_azf3328_hw_free,
        .prepare =      snd_azf3328_pcm_prepare,
        .trigger =      snd_azf3328_pcm_trigger,
        .pointer =      snd_azf3328_pcm_pointer
@@ -2102,8 +2084,6 @@ static const struct snd_pcm_ops snd_azf3328_i2s_out_ops = {
        .open =         snd_azf3328_pcm_i2s_out_open,
        .close =        snd_azf3328_pcm_close,
        .ioctl =        snd_pcm_lib_ioctl,
-       .hw_params =    snd_azf3328_hw_params,
-       .hw_free =      snd_azf3328_hw_free,
        .prepare =      snd_azf3328_pcm_prepare,
        .trigger =      snd_azf3328_pcm_trigger,
        .pointer =      snd_azf3328_pcm_pointer
@@ -2134,9 +2114,8 @@ snd_azf3328_pcm(struct snd_azf3328 *chip)
        chip->pcm[AZF_CODEC_PLAYBACK] = pcm;
        chip->pcm[AZF_CODEC_CAPTURE] = pcm;
 
-       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                             &chip->pci->dev,
-                                             64*1024, 64*1024);
+       snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
+                                      64*1024, 64*1024);
 
        err = snd_pcm_new(chip->card, "AZF3328 I2S OUT", AZF_PCMDEV_I2S_OUT,
                                                                1, 0, &pcm);
@@ -2150,9 +2129,8 @@ snd_azf3328_pcm(struct snd_azf3328 *chip)
        strcpy(pcm->name, chip->card->shortname);
        chip->pcm[AZF_CODEC_I2S_OUT] = pcm;
 
-       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                             &chip->pci->dev,
-                                             64*1024, 64*1024);
+       snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
+                                      64*1024, 64*1024);
 
        return 0;
 }