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Code Issues Releases Wiki Activity

ALSA: sb: Use managed buffer allocation

Browse source 
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/20191209094943.14984-15-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:48:46 +01:00
parent 9ce57056d8
commit 07ed72ba4d
2 changed files with 4 additions and 38 deletions
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21
sound/isa/sb/sb16_main.c
View file

@ -232,18 +232,6 @@ static void snd_sb16_setup_rate(struct snd_sb *chip,
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
static int snd_sb16_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));
}
static int snd_sb16_hw_free(struct snd_pcm_substream *substream)
{
snd_pcm_lib_free_pages(substream);
return 0;
}
static int snd_sb16_playback_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
@ -830,8 +818,6 @@ static const struct snd_pcm_ops snd_sb16_playback_ops = {
.open = snd_sb16_playback_open,
.close = snd_sb16_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_sb16_hw_params,
.hw_free = snd_sb16_hw_free,
.prepare = snd_sb16_playback_prepare,
.trigger = snd_sb16_playback_trigger,
.pointer = snd_sb16_playback_pointer,
@ -841,8 +827,6 @@ static const struct snd_pcm_ops snd_sb16_capture_ops = {
.open = snd_sb16_capture_open,
.close = snd_sb16_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_sb16_hw_params,
.hw_free = snd_sb16_hw_free,
.prepare = snd_sb16_capture_prepare,
.trigger = snd_sb16_capture_trigger,
.pointer = snd_sb16_capture_pointer,
@ -873,9 +857,8 @@ int snd_sb16dsp_pcm(struct snd_sb *chip, int device)
pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
}
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev,
64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, 64*1024, 128*1024);
return 0;
}

21
sound/isa/sb/sb8_main.c
View file

@ -225,18 +225,6 @@ static int snd_sb8_playback_trigger(struct snd_pcm_substream *substream,
return 0;
}
static int snd_sb8_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));
}
static int snd_sb8_hw_free(struct snd_pcm_substream *substream)
{
snd_pcm_lib_free_pages(substream);
return 0;
}
static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
@ -559,8 +547,6 @@ static const struct snd_pcm_ops snd_sb8_playback_ops = {
.open = snd_sb8_open,
.close = snd_sb8_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_sb8_hw_params,
.hw_free = snd_sb8_hw_free,
.prepare = snd_sb8_playback_prepare,
.trigger = snd_sb8_playback_trigger,
.pointer = snd_sb8_playback_pointer,
@ -570,8 +556,6 @@ static const struct snd_pcm_ops snd_sb8_capture_ops = {
.open = snd_sb8_open,
.close = snd_sb8_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_sb8_hw_params,
.hw_free = snd_sb8_hw_free,
.prepare = snd_sb8_capture_prepare,
.trigger = snd_sb8_capture_trigger,
.pointer = snd_sb8_capture_pointer,
@ -595,9 +579,8 @@ int snd_sb8dsp_pcm(struct snd_sb *chip, int device)
if (chip->dma8 > 3 || chip->dma16 >= 0)
max_prealloc = 128 * 1024;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev,
64*1024, max_prealloc);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, 64*1024, max_prealloc);
return 0;
}