On 11/14/18 1:06 PM, Peter Ujfalusi wrote: > The latency number is in usec for the pm_qos. Correct the calculation to > give us the time in usec > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx> > --- > sound/soc/omap/omap-mcbsp.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c > index e0ef4774c710..a395598f1f20 100644 > --- a/sound/soc/omap/omap-mcbsp.c > +++ b/sound/soc/omap/omap-mcbsp.c > @@ -999,9 +999,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, > pkt_size = channels; > } > > - latency = ((((buffer_size - pkt_size) / channels) * 1000) > - / (params->rate_num / params->rate_den)); > - > + latency = (buffer_size - pkt_size) / channels; > + latency = latency * USEC_PER_SEC / > + (params->rate_num / params->rate_den); Did I understand correctly this doesn't fix any audio issue but allows CPU sleep longer or reach deeper sleep? -- Jarkko
