audio_nsecs 207 sound/core/pcm_lib.c u64 audio_frames, audio_nsecs; audio_nsecs 230 sound/core/pcm_lib.c audio_nsecs = div_u64(audio_frames * 1000000000LL, audio_nsecs 232 sound/core/pcm_lib.c *audio_tstamp = ns_to_timespec(audio_nsecs);