On 07/16/2014 03:29 PM, Peter Ujfalusi wrote: > Hi, > > After this series clients can ask to not receive notifications after each period. > In this case we can disable the completion interrupt since the position reporting > does not rely on it for cyclic mode. > Patchset for ASoC part has been sent which allows users space to take adventage > of SNDRV_PCM_INFO_NO_PERIOD_WAKEUP: > [1] http://mailman.alsa-project.org/pipermail/alsa-devel/2014-July/078993.html ping. > When both series applied on top of linux-next: > > # cache the audio file in memory > cat some_music.mp3 > /dev/null > # start PA > pulseaudio -v > # in another terminal, play the music via PA > mplayer -ao pulse some_music.mp3 > # yet another terminal to monitor the interrupts > watch cat /proc/interrupts > # note the non increasing number of edma interrupts ;) > > Regards, > Peter > --- > Peter Ujfalusi (2): > dma: edma: Update caps->residue_granularity to match with reality > dma: edma: Support to suppress the period interrupts in cyclic mode > > drivers/dma/edma.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > -- Péter -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
