Pierre-Louis Bossart wrote: > @@ -1712,6 +1777,7 @@ static struct snd_pcm_hardware azx_pcm_hw = { > /* SNDRV_PCM_INFO_RESUME |*/ > SNDRV_PCM_INFO_PAUSE | > SNDRV_PCM_INFO_SYNC_START | > + SNDRV_PCM_INFO_HAS_WALL_CLOCK | ... but not if this device is connected to an S/PDIF input. Regards, Clemens