[alsa-devel] fsl_ssi: Cannot do simultaneous capture and playback
b42378 at freescale.com
Mon Sep 23 04:40:29 CEST 2013
On Sun, Sep 22, 2013 at 11:56:17PM -0300, Fabio Estevam wrote:
> Hi Nicolin,
> On Sun, Sep 22, 2013 at 11:13 PM, Nicolin Chen <b42378 at freescale.com> wrote:
> > In freescale internal branch, I had a patch to drop this part of code because
> > the hw_params() in fsl_ssi.c is already considering about the wl configuration,
> > so it won't change the wl value even if two streams' sample bits are different.
> > But if we think about the benefit of snd_pcm_hw_constraint() for a case like
> > "(arecord -d10 xx.wav &);sleep 1;aplay yy.wav", yea the non-simultaneous case,
> > we might also just turn the dev_err() into dev_warn() from my point of view:
> > if (first_runtime->sample_bits)
> > snd_pcm_hw_constraint_minmax(substream->runtime,
> > SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
> > first_runtime->sample_bits,
> > first_runtime->sample_bits);
> > else
> > dev_warn(substream->pcm->card->dev,
> > "Not enforcing sample bits due to race\n");
> > You can try this two solutions and find a better one.
> Yes, tried both and none of them worked for me.
> Could you try linux-next if you have a chance?
I want to, but I don't have a wandboard. Could you please give me the new
printed log? I think after the modification there should be little different
for the case.
> Fabio Estevam
More information about the Alsa-devel