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ALSA: ps3: Use managed buffer allocation 

Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and got
dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-60-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:31 +01:00
parent 01001fa1c7
commit 377d870e54
1 changed files with 5 additions and 23 deletions
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28
sound/ppc/snd_ps3.c
View File

@ -535,22 +535,6 @@ static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
return 0;
};
static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
size_t size;
/* alloc transport buffer */
size = params_buffer_bytes(hw_params);
snd_pcm_lib_malloc_pages(substream, size);
return 0;
};
static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
};
static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
unsigned int delay_ms)
{
@ -759,8 +743,6 @@ static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
.open = snd_ps3_pcm_open,
.close = snd_ps3_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_ps3_pcm_hw_params,
.hw_free = snd_ps3_pcm_hw_free,
.prepare = snd_ps3_pcm_prepare,
.trigger = snd_ps3_pcm_trigger,
.pointer = snd_ps3_pcm_pointer,
@ -1007,11 +989,11 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
/* pre-alloc PCM DMA buffer*/
snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
SNDRV_DMA_TYPE_DEV,
&dev->core,
SND_PS3_PCM_PREALLOC_SIZE,
SND_PS3_PCM_PREALLOC_SIZE);
snd_pcm_set_managed_buffer_all(the_card.pcm,
SNDRV_DMA_TYPE_DEV,
&dev->core,
SND_PS3_PCM_PREALLOC_SIZE,
SND_PS3_PCM_PREALLOC_SIZE);
/*
* allocate null buffer