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Searched refs:trigger_tstamp (Results 1 – 8 of 8) sorted by relevance

/linux/Documentation/sound/designs/
H A Dtimestamping.rst12 is responsible for updating the trigger_tstamp at the most appropriate
14 trigger_tstamp but update their internal calculations if the driver
19 The difference (tstamp - trigger_tstamp) defines the elapsed time.
101 and system time using the (tstamp-trigger_tstamp)/audio_tstamp
/linux/sound/core/
H A Dpcm_native.c629 &substream->runtime->trigger_tstamp); in snd_pcm_timer_notify()
1036 status->trigger_tstamp_sec = runtime->trigger_tstamp.tv_sec; in snd_pcm_status64()
1037 status->trigger_tstamp_nsec = runtime->trigger_tstamp.tv_nsec; in snd_pcm_status64()
1198 snd_pcm_gettime(runtime, &runtime->trigger_tstamp); in snd_pcm_trigger_tstamp()
1201 runtime->trigger_tstamp = runtime->trigger_master->runtime->trigger_tstamp; in snd_pcm_trigger_tstamp()
/linux/tools/include/uapi/sound/
H A Dasound.h
/linux/include/uapi/sound/
H A Dasound.h484 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ member
/linux/tools/perf/trace/beauty/include/uapi/sound/
H A Dasound.h484 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ member
/linux/include/sound/
H A Dpcm.h367 struct timespec64 trigger_tstamp; /* trigger timestamp */ member
/linux/sound/usb/
H A Dpcm.c1577 snd_pcm_gettime(runtime, &runtime->trigger_tstamp); in prepare_playback_urb()
/linux/Documentation/sound/kernel-api/
H A Dwriting-an-alsa-driver.rst1468 snd_timestamp_t trigger_tstamp; /* trigger timestamp */