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ALSA: firewire: Use managed buffer allocation

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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.

Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20191209192422.23902-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2019-12-09 10:48:41 +01:00
parent 8f326303b0
commit 7641d549b1
9 changed files with 29 additions and 79 deletions
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13
sound/firewire/dice/dice-pcm.c
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@@ -264,11 +264,7 @@ static int pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_dice *dice = substream->private_data;
int err;
err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
if (err < 0)
return err;
int err = 0;
if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
unsigned int rate = params_rate(hw_params);
@@ -304,7 +300,7 @@ static int pcm_hw_free(struct snd_pcm_substream *substream)
mutex_unlock(&dice->mutex);
return snd_pcm_lib_free_pages(substream);
return 0;
}
static int capture_prepare(struct snd_pcm_substream *substream)
@@ -457,9 +453,8 @@ int snd_dice_create_pcm(struct snd_dice *dice)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&playback_ops);
snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_VMALLOC,
NULL, 0, 0);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
NULL, 0, 0);
}
return 0;