Commit 0d59b814 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Takashi Iwai

ALSA: pcm: don't override timestamp unconditionally

timestamp in RUNNING mode is already taken in update_hw_ptr routine,
getting a new timestamp introduces offset between hw_ptr, audio_tstamp
and system time

Add else condition to read timestamp as fallback and only when
enabled
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent e4940626
......@@ -720,8 +720,11 @@ int snd_pcm_status(struct snd_pcm_substream *substream,
runtime->status->audio_tstamp;
goto _tstamp_end;
}
} else {
/* get tstamp only in fallback mode and only if enabled */
if (runtime->tstamp_mode == SNDRV_PCM_TSTAMP_ENABLE)
snd_pcm_gettime(runtime, &status->tstamp);
}
snd_pcm_gettime(runtime, &status->tstamp);
_tstamp_end:
status->appl_ptr = runtime->control->appl_ptr;
status->hw_ptr = runtime->status->hw_ptr;
......
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