[alsa-devel] Adding support for CMEDIA USB2.0 High-Speed True HD Audio

[Clemens Ladisch]

(please don't top-post)

Jean-Philippe Guillemin wrote:
> # aplay -l
> card 0: Audio [USB2.0 High-Speed True HD Audio], device 0: USB Audio [USB Audio]
> card 0: Audio [USB2.0 High-Speed True HD Audio], device 1: USB Audio [USB Audio #1]
> card 0: Audio [USB2.0 High-Speed True HD Audio], device 2: USB Audio [USB Audio #2]

So "aplay -D plughw:0,2 something.wav" works correctly?

>> I'm trying to create a mapping in USB-Audio.conf :
>>  # If a device does not use the first PCM device for digital data, the device
>>   # number for the iec958 device can be changed here.
>>   USB-Audio.pcm.iec958_device {
>>      # "NoiseBlaster 3000" 42
>>      "USB Sound Blaster HD" 1
>>      "USB2.0 High-Speed True HD Audio" 2
>>   ...
>>
>> But I never got a match on "USB2.0 High-Speed True HD Audio".

What exactly happens when you try "aplay -D iec958 something.wav"?


Regards,
Clemens