Hi,
2014-01-16 12:04 GMT+04:00 Clemens Ladisch <cladisch@xxxxxxxxxxxxxx>:
This is not a mixer control that could be described with a descriptor;Denis Shulyaka wrote:
> 2014/1/14 Clemens Ladisch <cladisch@xxxxxxxxxxxxxx>:
>> This device's descriptor do not define a mixer control
>> for this control.
>>
>> Apparently, you have to set the SPDIFMIX bit.
>
> Well, do you have any idea on how can I do it? I'm OK with compiling a
> custom kernel, but I don't have any experience with ALSA code. Just a
> small hint would be appreciated) Can I somehow define it in the
> descriptor?
one needs to write a custom control that writes to that vendor-specific
register.
I'll write a patch ...
Regards,
Clemens
Well, I've finally managed to set the SPDIFMIX bit in by
modifying the snd_usb_cm6206_boot_quirk() function. However it led me to
another problem:
PCM streams are played fine and are
routed to the analog speakers without CPU interaction, but DTS streams
sound like a loud noise.
Do I understand it right that the card hardware is not able to decode DTS itself and it merely relies on a proprietary software driver for DTS support? Can Alsa and PulseAudio deal with DTS? I just need to get the idea what DTS is...
Do I understand it right that the card hardware is not able to decode DTS itself and it merely relies on a proprietary software driver for DTS support? Can Alsa and PulseAudio deal with DTS? I just need to get the idea what DTS is...
Denis Shulyaka
------------------------------------------------------------------------------ Open source business process management suite built on Java and Eclipse Turn processes into business applications with Bonita BPM Community Edition Quickly connect people, data, and systems into organized workflows Winner of BOSSIE, CODIE, OW2 and Gartner awards http://p.sf.net/sfu/Bonitasoft
_______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
