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| author | Peter Ujfalusi | 2018-11-14 12:06:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2018-12-17 09:24:34 +0100 |
| commit | abf7201316a357adf3ef64e70f1599c52edaf59e (patch) | |
| tree | 2a9ace853e1f8766639fde2ee257df6b9420ba7f /sound | |
| parent | tools: bpftool: fix potential NULL pointer dereference in do_load (diff) | |
| download | kernel-qcow2-linux-abf7201316a357adf3ef64e70f1599c52edaf59e.tar.gz kernel-qcow2-linux-abf7201316a357adf3ef64e70f1599c52edaf59e.tar.xz kernel-qcow2-linux-abf7201316a357adf3ef64e70f1599c52edaf59e.zip | |
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 <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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index d0ebb6b9bfac..2d6decbfc99e 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); |