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support for period wakeup disabling

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Add API to disable period wakeups.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@intel.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2010-11-15 10:43:13 +01:00
parent 70dded6aba
commit 7c99bd24bc
4 changed files with 79 additions and 1 deletions
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3
src/pcm/pcm_local.h
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@ -91,9 +91,12 @@ typedef enum sndrv_pcm_hw_param snd_pcm_hw_param_t;
#define SND_PCM_INFO_JOINT_DUPLEX SNDRV_PCM_INFO_JOINT_DUPLEX
/** device can do a kind of synchronized start */
#define SND_PCM_INFO_SYNC_START SNDRV_PCM_INFO_SYNC_START
/** device can disable period wakeups */
#define SND_PCM_INFO_NO_PERIOD_WAKEUP SNDRV_PCM_INFO_NO_PERIOD_WAKEUP
#define SND_PCM_HW_PARAMS_NORESAMPLE SNDRV_PCM_HW_PARAMS_NORESAMPLE
#define SND_PCM_HW_PARAMS_EXPORT_BUFFER SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER
#define SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP
#define SND_PCM_INFO_MONOTONIC 0x80000000