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/Linux-v4.19/sound/core/
Dpcm_lib.c222 u64 audio_frames, audio_nsecs; in update_audio_tstamp() local
237 audio_frames = runtime->hw_ptr_wrap + runtime->status->hw_ptr; in update_audio_tstamp()
241 audio_frames -= runtime->delay; in update_audio_tstamp()
243 audio_frames += runtime->delay; in update_audio_tstamp()
245 audio_nsecs = div_u64(audio_frames * 1000000000LL, in update_audio_tstamp()