[alsa-devel] Problems with the DP MST audio support patchset

[Yang, Libin]

Hi Takashi,

Do you have some suggestion for this issue.

Hi Pascal,

Please see my comments below.

>-----Original Message-----
>From: Pascal Wichmann [mailto:pascal.wichmann at pa-w.de]
>Sent: Friday, March 31, 2017 2:12 PM
>To: Yang, Libin <libin.yang at intel.com>; Libin Yang
><libin.yang at linux.intel.com>; alsa-devel at alsa-project.org
>Subject: Re: [alsa-devel] Problems with the DP MST audio support patchset
>
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>Hi,
>
>> Get it. Basically, 5.1 audio should work. What format are you using
>> for testing the 5.1 audio?
>I do not use a specific format for testing; the issue occurs using speaker-test as
>well as using any application with audio output as for example vlc, rhythmbox
>or a browser like chromium or firefox.
>
>As mentioned, when configuring the output as digital stereo or 7.1 surround,
>except for the second issue explained in my first mail (which actually is more
>annoying) the audio works.

Yes, that's strange. I asked about the format is try to make sure you are using the
same format as 7.1. As you are using speaker-test, the format is not the problem.

We tried to reproduce this issue here and unfortunately failed. We can't make
the HDMI work through our AV receiver. 

I checked your alsa-info.sh output and didn't find the problem.

Regard,
Libin

>
>Regards,
>Pascal
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