ALSA: via82xx: Use managed buffer allocation

Clean up the drivers with the new managed buffer allocation API.
The superfluous snd_pcm_lib_malloc_pages() and
snd_pcm_lib_free_pages() calls are dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-56-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/via82xx.c

@@ -919,18 +919,10 @@ static int snd_via82xx_hw_params(struct snd_pcm_substream *substream,
 {
 	struct via82xx *chip = snd_pcm_substream_chip(substream);
 	struct viadev *viadev = substream->runtime->private_data;
-	int err;
 
-	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-	if (err < 0)
-		return err;
-	err = build_via_table(viadev, substream, chip->pci,
+	return build_via_table(viadev, substream, chip->pci,
 			       params_periods(hw_params),
 			       params_period_bytes(hw_params));
-	if (err < 0)
-		return err;
-
-	return 0;
 }
 
 /*
@@ -943,7 +935,6 @@ static int snd_via82xx_hw_free(struct snd_pcm_substream *substream)
 	struct viadev *viadev = substream->runtime->private_data;
 
 	clean_via_table(viadev, substream, chip->pci);
-	snd_pcm_lib_free_pages(substream);
 	return 0;
 }
 
@@ -1453,7 +1444,7 @@ static int snd_via8233_pcm_new(struct via82xx *chip)
 	/* capture */
 	init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 				       &chip->pci->dev,
 				       64*1024, VIA_MAX_BUFSIZE);
 
@@ -1477,7 +1468,7 @@ static int snd_via8233_pcm_new(struct via82xx *chip)
 	/* set up capture */
 	init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 				       &chip->pci->dev,
 				       64*1024, VIA_MAX_BUFSIZE);
 
@@ -1520,7 +1511,7 @@ static int snd_via8233a_pcm_new(struct via82xx *chip)
 	/* capture */
 	init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 				       &chip->pci->dev,
 				       64*1024, VIA_MAX_BUFSIZE);
 
@@ -1546,7 +1537,7 @@ static int snd_via8233a_pcm_new(struct via82xx *chip)
 	/* set up playback */
 	init_viadev(chip, chip->playback_devno, 0x30, 3, 0);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 				       &chip->pci->dev,
 				       64*1024, VIA_MAX_BUFSIZE);
 	return 0;
@@ -1576,7 +1567,7 @@ static int snd_via686_pcm_new(struct via82xx *chip)
 	init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0);
 	init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 				       &chip->pci->dev,
 				       64*1024, VIA_MAX_BUFSIZE);
 	return 0;

sound/pci/via82xx_modem.c

@@ -642,9 +642,6 @@ static int snd_via82xx_hw_params(struct snd_pcm_substream *substream,
 	struct viadev *viadev = substream->runtime->private_data;
 	int err;
 
-	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-	if (err < 0)
-		return err;
 	err = build_via_table(viadev, substream, chip->pci,
 			      params_periods(hw_params),
 			      params_period_bytes(hw_params));
@@ -667,7 +664,6 @@ static int snd_via82xx_hw_free(struct snd_pcm_substream *substream)
 	struct viadev *viadev = substream->runtime->private_data;
 
 	clean_via_table(viadev, substream, chip->pci);
-	snd_pcm_lib_free_pages(substream);
 	return 0;
 }
 
@@ -849,9 +845,8 @@ static int snd_via686_pcm_new(struct via82xx_modem *chip)
 	init_viadev(chip, 0, VIA_REG_MO_STATUS, 0);
 	init_viadev(chip, 1, VIA_REG_MI_STATUS, 1);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
-					      &chip->pci->dev,
-					      64*1024, 128*1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+				       &chip->pci->dev, 64*1024, 128*1024);
 	return 0;
 }