[alsa-devel] [PATCH 5.6 50/71] ALSA: riptide: Use managed buffer allocation

Takashi Iwai tiwai at suse.de
Mon Dec 9 10:49:22 CET 2019


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

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/riptide/riptide.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index abcea86045ec..b855de52e198 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1558,8 +1558,7 @@ snd_riptide_hw_params(struct snd_pcm_substream *substream,
 		return err;
 	}
 	data->sgdbuf = (struct sgd *)sgdlist->area;
-	return snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
+	return 0;
 }
 
 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
@@ -1581,7 +1580,7 @@ static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
 			data->sgdlist.area = NULL;
 		}
 	}
-	return snd_pcm_lib_free_pages(substream);
+	return 0;
 }
 
 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
@@ -1692,9 +1691,8 @@ static int snd_riptide_pcm(struct snd_riptide *chip, int device)
 	pcm->info_flags = 0;
 	strcpy(pcm->name, "RIPTIDE");
 	chip->pcm = pcm;
-	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;
 }
 
-- 
2.16.4



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