Description of problem: On some programs (vlc,...), subwoofer does not work as expected. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. play radio, music, in vlc or similar 2. ... bass seems to disappear 3. Actual results: no bass Expected results: bass ! Additional info: If I select in audio configure another device and return again to 5.1, bass appears. This bug have some time, I remeber it on fc14, fc15, and now. kernel 3.3.0-4.fc16.x86_64 pulseaudio-0.9.23-1.fc16.x86_64 00:06.1 Audio device: nVidia Corporation MCP55 High Definition Audio (rev a2) Subsystem: Giga-byte Technology Device a002 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 (500ns min, 1250ns max) Interrupt: pin B routed to IRQ 22 Region 0: Memory at fb100000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Address: 0000000000000000 Data: 0000 Masking: 00000000 Pending: 00000000 Capabilities: [6c] HyperTransport: MSI Mapping Enable+ Fixed+ Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel