[pulseaudio-tickets] [Bug 90781] Microphone is visible by ALSA, but not recognized by PulseAudio

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jun 1 18:14:00 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=90781

--- Comment #20 from Raymond <superquad.vortex2 at gmail.com> ---
      AudioControl Interface Descriptor:

        bLength                12

        bDescriptorType        36

        bDescriptorSubtype      2 (INPUT_TERMINAL)

        bTerminalID             4

        wTerminalType      0x0101 USB Streaming

        bAssocTerminal          0

        bNrChannels             2

        wChannelConfig     0x0003

          Left Front (L)

          Right Front (R)

        iChannelNames           0 

        iTerminal               0 

      AudioControl Interface Descriptor:

        bLength                 9

        bDescriptorType        36

        bDescriptorSubtype      3 (OUTPUT_TERMINAL)

        bTerminalID             6

        wTerminalType      0x0602 Digital Audio Interface

        bAssocTerminal          0

        bSourceID               4

        iTerminal               0



you have to ask alsa developer how to define digital out if it is not using
device zero



http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=a9b1299556598fed12d0d42c80aaa933aced8a42;hp=efda3e2bc766b4147f35f4b006d315ea7b3c55fe

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