diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/asound.h | 10 | ||||
| -rw-r--r-- | include/sound/pcm.h | 10 |
2 files changed, 18 insertions, 2 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h index 3ad534149c0..475eb71d65b 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -138,7 +138,7 @@ enum { * * *****************************************************************************/ -#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 8) +#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 9) typedef unsigned long snd_pcm_uframes_t; typedef signed long snd_pcm_sframes_t; @@ -435,9 +435,15 @@ struct snd_xfern { }; enum { + SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ + SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ + SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, +}; + +enum { SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int), SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct snd_pcm_info), - SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int), + SNDRV_PCM_IOCTL_TTSTAMP = _IOW('A', 0x03, int), SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct snd_pcm_hw_params), SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct snd_pcm_hw_params), SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12), diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 5e9cc460075..65f636223d3 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -323,6 +323,7 @@ struct snd_pcm_runtime { /* -- timer -- */ unsigned int timer_resolution; /* timer resolution */ + int tstamp_type; /* timestamp type */ /* -- DMA -- */ unsigned char *dma_area; /* DMA area */ @@ -952,6 +953,15 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream); void snd_pcm_timer_init(struct snd_pcm_substream *substream); void snd_pcm_timer_done(struct snd_pcm_substream *substream); +static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime, + struct timespec *tv) +{ + if (runtime->tstamp_type == SNDRV_PCM_TSTAMP_TYPE_MONOTONIC) + do_posix_clock_monotonic_gettime(tv); + else + getnstimeofday(tv); +} + /* * Memory */ |