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ASoC: dma-sh7760: Use managed buffer allocation 

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.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210142614.19405-7-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
alistair/sensors
Takashi Iwai 2019-12-10 15:25:57 +01:00 committed by Mark Brown
parent bace3caa82
commit d23a16584b
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 13 deletions
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14
sound/soc/sh/dma-sh7760.c
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@ -179,11 +179,6 @@ static int camelot_hw_params(struct snd_soc_component *component,
int recv = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0:1;
int ret;
ret = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
if (ret < 0)
return ret;
if (recv) {
cam->rx_period_size = params_period_bytes(hw_params);
cam->rx_period = 0;
@ -194,12 +189,6 @@ static int camelot_hw_params(struct snd_soc_component *component,
return 0;
}
static int camelot_hw_free(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int camelot_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
@ -307,7 +296,7 @@ static int camelot_pcm_new(struct snd_soc_component *component,
/* dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
* in MMAP mode (i.e. aplay -M)
*/
snd_pcm_lib_preallocate_pages_for_all(pcm,
snd_pcm_set_managed_buffer_all(pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
NULL,
DMABRG_PREALLOC_BUFFER, DMABRG_PREALLOC_BUFFER_MAX);
@ -320,7 +309,6 @@ static const struct snd_soc_component_driver sh7760_soc_component = {
.close = camelot_pcm_close,
.ioctl = snd_soc_pcm_lib_ioctl,
.hw_params = camelot_hw_params,
.hw_free = camelot_hw_free,
.prepare = camelot_prepare,
.trigger = camelot_trigger,
.pointer = camelot_pos,