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ALSA: hdml-lpe-audio: 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/20191209094943.14984-72-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:43 +01:00
parent dd21bf512b
commit cc6c69126e
1 changed files with 6 additions and 10 deletions
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16
sound/x86/intel_hdmi_audio.c
View File

@ -1132,16 +1132,13 @@ static int had_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_intelhad *intelhaddata;
int buf_size, retval;
int buf_size;
intelhaddata = snd_pcm_substream_chip(substream);
buf_size = params_buffer_bytes(hw_params);
retval = snd_pcm_lib_malloc_pages(substream, buf_size);
if (retval < 0)
return retval;
dev_dbg(intelhaddata->dev, "%s:allocated memory = %d\n",
__func__, buf_size);
return retval;
return 0;
}
/*
@ -1154,7 +1151,7 @@ static int had_pcm_hw_free(struct snd_pcm_substream *substream)
intelhaddata = snd_pcm_substream_chip(substream);
had_do_reset(intelhaddata);
return snd_pcm_lib_free_pages(substream);
return 0;
}
/*
@ -1801,10 +1798,9 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
/* allocate dma pages;
* try to allocate 600k buffer as default which is large enough
*/
snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_DEV_UC,
card->dev,
HAD_DEFAULT_BUFFER, HAD_MAX_BUFFER);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_UC,
card->dev, HAD_DEFAULT_BUFFER,
HAD_MAX_BUFFER);
/* create controls */
for (i = 0; i < ARRAY_SIZE(had_controls); i++) {