Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ALSA: oxygen: support for period wakeup disabling

Browse source 
Allow disabling period wakeup interrupts for all PCM streams.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2010-11-15 10:50:37 +01:00 committed by Takashi Iwai
parent 7bb8fb70c4
commit 075140ea8b
1 changed files with 10 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
sound/pci/oxygen/oxygen_pcm.c
View file

@ -39,7 +39,8 @@ static const struct snd_pcm_hardware oxygen_stereo_hardware = {
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_SYNC_START, SNDRV_PCM_INFO_SYNC_START |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
.formats = SNDRV_PCM_FMTBIT_S16_LE | .formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S32_LE, SNDRV_PCM_FMTBIT_S32_LE,
.rates = SNDRV_PCM_RATE_32000 | .rates = SNDRV_PCM_RATE_32000 |
@ -65,7 +66,8 @@ static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_SYNC_START, SNDRV_PCM_INFO_SYNC_START |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
.formats = SNDRV_PCM_FMTBIT_S16_LE | .formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S32_LE, SNDRV_PCM_FMTBIT_S32_LE,
.rates = SNDRV_PCM_RATE_32000 | .rates = SNDRV_PCM_RATE_32000 |
@ -91,7 +93,8 @@ static const struct snd_pcm_hardware oxygen_ac97_hardware = {
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_SYNC_START, SNDRV_PCM_INFO_SYNC_START |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
.formats = SNDRV_PCM_FMTBIT_S16_LE, .formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000, .rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000, .rate_min = 48000,
@ -530,7 +533,10 @@ static int oxygen_prepare(struct snd_pcm_substream *substream)
oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
chip->interrupt_mask |= channel_mask; if (substream->runtime->no_period_wakeup)
chip->interrupt_mask &= ~channel_mask;
else
chip->interrupt_mask |= channel_mask;
oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask); oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
spin_unlock_irq(&chip->reg_lock); spin_unlock_irq(&chip->reg_lock);
return 0; return 0;