do you find any error message in system log (dmesg) ?

An error is thrown:

    $ alsactl store -f abc.txt
    alsactl: get_control:256: Cannot read control '2,0,0,PCM Capture Source,0': 
Broken pipe


Unit: 20
    Control: name="PCM Capture Source", index=0
    Info: id=20, control=0, cmask=0x0, channels=1, type="U8"
    Volume: min=1, max=2, dBmin=0, dBmax=0


control.8 {
  iface MIXER
  name 'PCM Capture Source'
  value Mic
  comment {
   access 'read write'
   type ENUMERATED
   count 1
   item.0 Mic
   item.1 Line
  }


AudioControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdADC               2.00
        bCategory              10
        wTotalLength          256
        bmControl            0x00
      AudioControl Interface Descriptor:
        bLength                17
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bCSourceID             18
        bNrChannels             0
        bmChannelConfig   0x00000000
        bmControls    0x0040
          Cluster Control (read-only)
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                17
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             2
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bCSourceID             19
        bNrChannels             0
        bmChannelConfig   0x00000000
        bmControls    0x0040
          Cluster Control (read-only)
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                17
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             4
        wTerminalType      0x0201 Microphone
        bAssocTerminal          0
        bCSourceID             22
        bNrChannels             2
        bmChannelConfig   0x00000003
          Front Left (FL)
          Front Right (FR)
        bmControls    0x0044
          Connector Control (read-only)
          Cluster Control (read-only)
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                17
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             5
        wTerminalType      0x0603 Line Connector
        bAssocTerminal          0
        bCSourceID             22
        bNrChannels             2
        bmChannelConfig   0x00000003
          Front Left (FL)
          Front Right (FR)
        bmControls    0x0044
          Connector Control (read-only)
          Cluster Control (read-only)
        iChannelNames           0 
        iTerminal               0

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1267866

Title:
  Broken pipelline when changing the sound card

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1267866/+subscriptions

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to