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ALSA: ctxfi: Use managed buffer allocation

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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.

Link: https://lore.kernel.org/r/20191209094943.14984-34-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:05 +01:00
parent c6071300ac
commit 76178cc7d5
1 changed files with 4 additions and 11 deletions
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15
sound/pci/ctxfi/ctpcm.c
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@ -178,15 +178,10 @@ static int ct_pcm_hw_params(struct snd_pcm_substream *substream,
{
struct ct_atc *atc = snd_pcm_substream_chip(substream);
struct ct_atc_pcm *apcm = substream->runtime->private_data;
int err;
err = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
if (err < 0)
return err;
/* clear previous resources */
atc->pcm_release_resources(atc, apcm);
return err;
return 0;
}
static int ct_pcm_hw_free(struct snd_pcm_substream *substream)
@ -196,8 +191,7 @@ static int ct_pcm_hw_free(struct snd_pcm_substream *substream)
/* clear previous resources */
atc->pcm_release_resources(atc, apcm);
/* Free snd-allocated pages */
return snd_pcm_lib_free_pages(substream);
return 0;
}
@ -449,9 +443,8 @@ int ct_alsa_pcm_create(struct ct_atc *atc,
snd_pcm_set_ops(pcm,
SNDRV_PCM_STREAM_CAPTURE, &ct_pcm_capture_ops);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
&atc->pci->dev,
128*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
&atc->pci->dev, 128*1024, 128*1024);
chs = 2;
switch (device) {