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ALSA: mips: Use managed buffer allocation 

Clean up the drivers 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/20191209094943.14984-18-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
alistair/sensors
Takashi Iwai 2019-12-09 10:48:49 +01:00
parent 15fbacfe3d
commit ee88f4ebe5
2 changed files with 4 additions and 41 deletions
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25
sound/mips/hal2.c
View File

@ -505,23 +505,6 @@ static const struct snd_pcm_hardware hal2_pcm_hw = {
.periods_max = 1024,
};
static int hal2_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
int err;
err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
if (err < 0)
return err;
return 0;
}
static int hal2_pcm_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int hal2_playback_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@ -702,8 +685,6 @@ static const struct snd_pcm_ops hal2_playback_ops = {
.open = hal2_playback_open,
.close = hal2_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = hal2_pcm_hw_params,
.hw_free = hal2_pcm_hw_free,
.prepare = hal2_playback_prepare,
.trigger = hal2_playback_trigger,
.pointer = hal2_playback_pointer,
@ -714,8 +695,6 @@ static const struct snd_pcm_ops hal2_capture_ops = {
.open = hal2_capture_open,
.close = hal2_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = hal2_pcm_hw_params,
.hw_free = hal2_pcm_hw_free,
.prepare = hal2_capture_prepare,
.trigger = hal2_capture_trigger,
.pointer = hal2_capture_pointer,
@ -740,8 +719,8 @@ static int hal2_pcm_create(struct snd_hal2 *hal2)
&hal2_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&hal2_capture_ops);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
NULL, 0, 1024 * 1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
NULL, 0, 1024 * 1024);
return 0;
}

20
sound/mips/sgio2audio.c
View File

@ -577,20 +577,6 @@ static int snd_sgio2audio_pcm_close(struct snd_pcm_substream *substream)
return 0;
}
/* hw_params callback */
static int snd_sgio2audio_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
/* hw_free callback */
static int snd_sgio2audio_pcm_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
/* prepare callback */
static int snd_sgio2audio_pcm_prepare(struct snd_pcm_substream *substream)
{
@ -716,8 +702,7 @@ static int snd_sgio2audio_new_pcm(struct snd_sgio2audio *chip)
&snd_sgio2audio_playback1_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_sgio2audio_capture_ops);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
NULL, 0, 0);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
/* create second pcm device with one outputs and no input */
err = snd_pcm_new(chip->card, "SGI O2 Audio", 1, 1, 0, &pcm);
@ -730,8 +715,7 @@ static int snd_sgio2audio_new_pcm(struct snd_sgio2audio *chip)
/* set operators */
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_sgio2audio_playback2_ops);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
NULL, 0, 0);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
return 0;
}