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ALSA: cs5535: Use managed buffer allocation 

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/20191209094943.14984-33-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:04 +01:00
parent 44e78a1a85
commit c6071300ac
1 changed files with 4 additions and 8 deletions
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12
sound/pci/cs5535audio/cs5535audio_pcm.c
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@ -236,10 +236,6 @@ static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
struct cs5535audio_dma *dma = substream->runtime->private_data;
int err;
err = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
if (err < 0)
return err;
dma->buf_addr = substream->runtime->dma_addr;
dma->buf_bytes = params_buffer_bytes(hw_params);
@ -267,7 +263,7 @@ static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream)
dma->pcm_open_flag = 0;
}
cs5535audio_clear_dma_packets(cs5535au, dma, substream);
return snd_pcm_lib_free_pages(substream);
return 0;
}
static int snd_cs5535audio_playback_prepare(struct snd_pcm_substream *substream)
@ -431,9 +427,9 @@ int snd_cs5535audio_pcm(struct cs5535audio *cs5535au)
pcm->info_flags = 0;
strcpy(pcm->name, "CS5535 Audio");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&cs5535au->pci->dev,
64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&cs5535au->pci->dev,
64*1024, 128*1024);
cs5535au->pcm = pcm;
return 0;