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ASoC: omap-mcbsp: Fix latency value calculation for pm_qos

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[ Upstream commit dd2f52d899 ]

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@ti.com>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Ujfalusi
2018-11-14 13:06:21 +02:00
committed by Greg Kroah-Hartman
parent a625d3e3ce
commit 4a3fa2a5fe
1 changed files with 3 additions and 3 deletions
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6
sound/soc/omap/omap-mcbsp.c
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@@ -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);