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ALSA: cmipci: 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/20191209094943.14984-31-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:02 +01:00
parent fc97aef323
commit d841e2e88f
1 changed files with 10 additions and 26 deletions
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36
sound/pci/cmipci.c
View File

@ -666,12 +666,6 @@ static void snd_cmipci_set_pll(struct cmipci *cm, unsigned int rate, unsigned in
}
#endif /* USE_VAR48KRATE */
static int snd_cmipci_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_cmipci_playback2_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
@ -686,7 +680,7 @@ static int snd_cmipci_playback2_hw_params(struct snd_pcm_substream *substream,
cm->opened[CM_CH_PLAY] = CM_OPEN_PLAYBACK_MULTI;
mutex_unlock(&cm->open_mutex);
}
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
return 0;
}
static void snd_cmipci_ch_reset(struct cmipci *cm, int ch)
@ -697,11 +691,6 @@ static void snd_cmipci_ch_reset(struct cmipci *cm, int ch)
udelay(10);
}
static int snd_cmipci_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
/*
*/
@ -1371,14 +1360,14 @@ static int snd_cmipci_playback_hw_free(struct snd_pcm_substream *substream)
setup_spdif_playback(cm, substream, 0, 0);
restore_mixer_state(cm);
snd_cmipci_silence_hack(cm, &cm->channel[0]);
return snd_cmipci_hw_free(substream);
return 0;
}
static int snd_cmipci_playback2_hw_free(struct snd_pcm_substream *substream)
{
struct cmipci *cm = snd_pcm_substream_chip(substream);
snd_cmipci_silence_hack(cm, &cm->channel[1]);
return snd_cmipci_hw_free(substream);
return 0;
}
/* capture */
@ -1420,7 +1409,7 @@ static int snd_cmipci_capture_spdif_hw_free(struct snd_pcm_substream *subs)
snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
spin_unlock_irq(&cm->reg_lock);
return snd_cmipci_hw_free(subs);
return 0;
}
@ -1829,7 +1818,6 @@ static const struct snd_pcm_ops snd_cmipci_playback_ops = {
.open = snd_cmipci_playback_open,
.close = snd_cmipci_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cmipci_hw_params,
.hw_free = snd_cmipci_playback_hw_free,
.prepare = snd_cmipci_playback_prepare,
.trigger = snd_cmipci_playback_trigger,
@ -1840,8 +1828,6 @@ static const struct snd_pcm_ops snd_cmipci_capture_ops = {
.open = snd_cmipci_capture_open,
.close = snd_cmipci_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cmipci_hw_params,
.hw_free = snd_cmipci_hw_free,
.prepare = snd_cmipci_capture_prepare,
.trigger = snd_cmipci_capture_trigger,
.pointer = snd_cmipci_capture_pointer,
@ -1862,7 +1848,6 @@ static const struct snd_pcm_ops snd_cmipci_playback_spdif_ops = {
.open = snd_cmipci_playback_spdif_open,
.close = snd_cmipci_playback_spdif_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cmipci_hw_params,
.hw_free = snd_cmipci_playback_hw_free,
.prepare = snd_cmipci_playback_spdif_prepare, /* set up rate */
.trigger = snd_cmipci_playback_trigger,
@ -1873,7 +1858,6 @@ static const struct snd_pcm_ops snd_cmipci_capture_spdif_ops = {
.open = snd_cmipci_capture_spdif_open,
.close = snd_cmipci_capture_spdif_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cmipci_hw_params,
.hw_free = snd_cmipci_capture_spdif_hw_free,
.prepare = snd_cmipci_capture_spdif_prepare,
.trigger = snd_cmipci_capture_trigger,
@ -1901,8 +1885,8 @@ static int snd_cmipci_pcm_new(struct cmipci *cm, int device)
strcpy(pcm->name, "C-Media PCI DAC/ADC");
cm->pcm = pcm;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
return 0;
}
@ -1923,8 +1907,8 @@ static int snd_cmipci_pcm2_new(struct cmipci *cm, int device)
strcpy(pcm->name, "C-Media PCI 2nd DAC");
cm->pcm2 = pcm;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
return 0;
}
@ -1946,8 +1930,8 @@ static int snd_cmipci_pcm_spdif_new(struct cmipci *cm, int device)
strcpy(pcm->name, "C-Media PCI IEC958");
cm->pcm_spdif = pcm;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&cm->pci->dev, 64*1024, 128*1024);
err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
snd_pcm_alt_chmaps, cm->max_channels, 0,