Messages in this thread | | | Subject | Re: [PATCH v4 06/12] ASoC: qcom: lpass-cpu: fix concurrency issue | From | Srinivas Kandagatla <> | Date | Fri, 24 Jul 2020 12:21:55 +0100 |
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On 22/07/2020 11:31, Rohit kumar wrote: > i2sctl register value is set to 0 during hw_free(). This > impacts any ongoing concurrent session on the same i2s > port. As trigger() stop already resets enable bit to 0, > there is no need of explicit hw_free. Removing it to > fix the issue. > > Fixes: 80beab8e1d86 ("ASoC: qcom: Add LPASS CPU DAI driver") > Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> --- > sound/soc/qcom/lpass-cpu.c | 16 ---------------- > 1 file changed, 16 deletions(-) > > diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c > index 6b86f16..5d84f63 100644 > --- a/sound/soc/qcom/lpass-cpu.c > +++ b/sound/soc/qcom/lpass-cpu.c > @@ -266,21 +266,6 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream, > return 0; > } > > -static int lpass_cpu_daiops_hw_free(struct snd_pcm_substream *substream, > - struct snd_soc_dai *dai) > -{ > - struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); > - int ret; > - > - ret = regmap_write(drvdata->lpaif_map, > - LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), > - 0); > - if (ret) > - dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret); > - > - return ret; > -} > - > static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream, > struct snd_soc_dai *dai) > { > @@ -350,7 +335,6 @@ const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = { > .startup = lpass_cpu_daiops_startup, > .shutdown = lpass_cpu_daiops_shutdown, > .hw_params = lpass_cpu_daiops_hw_params, > - .hw_free = lpass_cpu_daiops_hw_free, > .prepare = lpass_cpu_daiops_prepare, > .trigger = lpass_cpu_daiops_trigger, > }; >
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