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Commit 075140ea authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Takashi Iwai
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ALSA: oxygen: support for period wakeup disabling 



Allow disabling period wakeup interrupts for all PCM streams.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 7bb8fb70

sound/pci/oxygen/oxygen_pcm.c

+10 −4
Original line number Diff line number Diff line
@@ -39,7 +39,8 @@ static const struct snd_pcm_hardware oxygen_stereo_hardware = { 
		SNDRV_PCM_INFO_MMAP_VALID |

		SNDRV_PCM_INFO_INTERLEAVED |

		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 |

		   SNDRV_PCM_FMTBIT_S32_LE,

	.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_INTERLEAVED |

		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 |

		   SNDRV_PCM_FMTBIT_S32_LE,

	.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_INTERLEAVED |

		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,

	.rates = SNDRV_PCM_RATE_48000,

	.rate_min = 48000,
@@ -530,6 +533,9 @@ static int oxygen_prepare(struct snd_pcm_substream *substream) 
	oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);

	oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, 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);

	spin_unlock_irq(&chip->reg_lock);