From 4a3fa2a5fed133fd2f26e5f37acdb23ad6e0900c Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Wed, 14 Nov 2018 13:06:21 +0200 Subject: [PATCH] ASoC: omap-mcbsp: Fix latency value calculation for pm_qos [ Upstream commit dd2f52d8991af9fe0928d59ec502ba52be7bc38d ] 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 Acked-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- 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 6b40bdbef336..47c2ed5ca492 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -308,9 +308,9 @@ 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); mcbsp->latency[substream->stream] = latency; omap_mcbsp_set_threshold(substream, pkt_size); -- 2.20.1