[Bug 37886] New: Mafia II: speech missing from cutscenes

https://bugs.winehq.org/show_bug.cgi?id=37886

Bug ID: 37886
           Summary: Mafia II: speech missing from cutscenes
           Product: Wine
           Version: 1.7.34
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: regression
          Severity: minor
          Priority: P2
         Component: winealsa.drv
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
   Regression SHA1: a3f33daa6ab7156b26ad1378d49e8af6666b062d
      Distribution: ---

Created attachment 50456
  --> https://bugs.winehq.org/attachment.cgi?id=50456
audio debug log (+winmm,+mmdevapi,+driver,+alsa,+dsound)

Voices are missing from in-game cinematics. Other sounds, music and voices in
the rest of the game play correctly.

Regression from 1.7.34:

a3f33daa6ab7156b26ad1378d49e8af6666b062d is the first bad commit
commit a3f33daa6ab7156b26ad1378d49e8af6666b062d
Author: Mark Harmstone 
Date:   Wed Dec 31 21:34:47 2014 +0000

winealsa: Support up to 6 channels.

:040000 040000 22e1090182548b73d95c16408ba91a0b6ee02050
9d02b31d13047557a9525938dc8f12a234563b78 M    dlls

Demo version is available on Steam, but I can't test it because I have the full
version on Steam.
http://store.steampowered.com/app/50130/

Fedora 21
Alsa 1.0.28 (Pulseaudio is not running)
Audio device: NVIDIA Corporation MCP61 High Definition Audio (rev a2)