Commit 7bb8fb70 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Takashi Iwai
Browse files

ALSA: hda-intel: support for period wakeup disabling 



Allow disabling period wakeup interrupts for HDA PCM streams.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@intel.com>
Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent ab69a490

sound/pci/hda/hda_intel.c

+6 −3
Original line number Diff line number Diff line
@@ -1235,7 +1235,8 @@ static int azx_setup_periods(struct azx *chip, 
			pos_adj = 0;

		} else {

			ofs = setup_bdle(substream, azx_dev,

					 &bdl, ofs, pos_adj, 1);

					 &bdl, ofs, pos_adj,

					 !substream->runtime->no_period_wakeup);

			if (ofs < 0)

				goto error;

		}
@@ -1247,7 +1248,8 @@ static int azx_setup_periods(struct azx *chip, 
					 period_bytes - pos_adj, 0);

		else

			ofs = setup_bdle(substream, azx_dev, &bdl, ofs,

					 period_bytes, 1);

					 period_bytes,

					 !substream->runtime->no_period_wakeup);

		if (ofs < 0)

			goto error;

	}
@@ -1515,7 +1517,8 @@ static struct snd_pcm_hardware azx_pcm_hw = { 
				 /* No full-resume yet implemented */

				 /* SNDRV_PCM_INFO_RESUME |*/

				 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,

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