Public bug reported:

Binary package hint: gnome-media

I find that the correct mixer settings are extremely difficult to arrive
at using gnome-volume-control -- the process often takes me several
minutes of frustrating trial and error after each reboot or after waking
from suspend, both of which seem to lose the mixer settings (bug
#37736). The most glaring problem is that the Options tab for my HDA
Intel on-board sound chipset (specs below) has three input boxes all
labelled the same ("Input Source"), but apparently controlling different
capture channels. The status bar output is also incorrect, stating
"Volume of right channel on PCM" irrespective of the input box selected.

Screenshots attached below.

----------------

Audio is from the Intel G965 chipset. lspci -vv gives:
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio 
Controller (rev 02)
        Subsystem: ASUSTeK Computer Inc. Unknown device 820a
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 22
        Region 0: Memory at ff9f4000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>

** Affects: gnome-media (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Binary package hint: gnome-media
  
  I find that the correct mixer settings are extremely difficult to arrive
  at using gnome-volume-control -- the process often takes me several
- minutes of frustrating trial and error after a reboot. One problem is
- that the Options tab for my HDA Intel on-board sound chipset (specs
+ minutes of frustrating trial and error after each reboot or after waking
+ from suspend, both of which seem to lose the mixer settings. One problem
+ is that the Options tab for my HDA Intel on-board sound chipset (specs
  below) has three input boxes all labelled the same ("Input Source"), but
  apparently controlling different capture channels. The status bar output
  is also incorrect, stating "Volume of right channel on PCM" irrespective
  of the selection.
  
  Screenshots attached below.
  
  ----------------
  
  Audio is from the Intel G965 chipset. lspci -vv gives:
  00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio 
Controller (rev 02)
          Subsystem: ASUSTeK Computer Inc. Unknown device 820a
          Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
          Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
          Latency: 0, Cache Line Size: 32 bytes
          Interrupt: pin A routed to IRQ 22
          Region 0: Memory at ff9f4000 (64-bit, non-prefetchable) [size=16K]
          Capabilities: <access denied>

-- 
Input Source boxes are unlabelled in gnome-volume-control
https://bugs.launchpad.net/bugs/138989
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