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ASoC: siu_pcm: Use managed buffer allocation 

Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous (the rest were
only debug prints) and got dropped.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210142614.19405-10-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Takashi Iwai 2019-12-10 15:26:00 +01:00 committed by Mark Brown
parent 55df47f230
commit 2c7c9630db
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 38 deletions
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39
sound/soc/sh/siu_pcm.c
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@ -281,41 +281,6 @@ static int siu_pcm_stmread_stop(struct siu_port *port_info)
return 0;
}
static int siu_pcm_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *ss,
struct snd_pcm_hw_params *hw_params)
{
struct siu_info *info = siu_i2s_data;
struct device *dev = ss->pcm->card->dev;
int ret;
dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
if (ret < 0)
dev_err(dev, "snd_pcm_lib_malloc_pages() failed\n");
return ret;
}
static int siu_pcm_hw_free(struct snd_soc_component *component,
struct snd_pcm_substream *ss)
{
struct siu_info *info = siu_i2s_data;
struct siu_port *port_info = siu_port_info(ss);
struct device *dev = ss->pcm->card->dev;
struct siu_stream *siu_stream;
if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
siu_stream = &port_info->playback;
else
siu_stream = &port_info->capture;
dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
return snd_pcm_lib_free_pages(ss);
}
static bool filter(struct dma_chan *chan, void *slave)
{
struct sh_dmae_slave *param = slave;
@ -548,7 +513,7 @@ static int siu_pcm_new(struct snd_soc_component *component,
if (ret < 0)
return ret;
snd_pcm_lib_preallocate_pages_for_all(pcm,
snd_pcm_set_managed_buffer_all(pcm,
SNDRV_DMA_TYPE_DEV, card->dev,
SIU_BUFFER_BYTES_MAX, SIU_BUFFER_BYTES_MAX);
@ -584,8 +549,6 @@ struct const snd_soc_component_driver siu_component = {
.open = siu_pcm_open,
.close = siu_pcm_close,
.ioctl = snd_soc_pcm_lib_ioctl,
.hw_params = siu_pcm_hw_params,
.hw_free = siu_pcm_hw_free,
.prepare = siu_pcm_prepare,
.trigger = siu_pcm_trigger,
.pointer = siu_pcm_pointer_dma,