Re: [alsa-devel] Problem using alsa to implement an Android dock

Jeremy Rosen wrote:

my problems arrive when both the dock mode and the accessory mode are enabled. in that case Alsa will not recognise the usb sound device exposed by android.

  bInterfaceNumber        1
  bInterfaceSubClass      Control Device
  AudioControl Interface Descriptor:
    baInterfaceNr           0
    baInterfaceNr           1
  bInterfaceNumber        2
  bInterfaceSubClass      Streaming

This is a bug in the Android firmware: it says that the audio driver should look at interfaces 0 and 1, but the actual audio interfaces are 1 and 2.

I'll look into this ...

Regards, Clemens