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    SubjectRe: BUG - HDA Intel very low audio with breaking voice in 2.6.28-rc8
    At Sun, 14 Dec 2008 13:28:56 +0530,
    Jaswinder Singh wrote:
    >
    > Hello all,
    >
    > I am facing problem in 2.6.28-rc8, HDA Intel audio is very low and
    > with breaking voice, may be it seems like HD effect ;)

    What do you mean "breaking voice"? Please be more specific.

    Run alsa-info.sh with --no-upload option, and attach the generated
    file. This will contain the detailed hardware information. The
    script is found at
    http://www.alsa-project.org/alsa-info.sh

    Is this a regression from the older kernel? If yes, please run
    alsa-info on both working and non-working kernels and attach the both
    outputs.
    git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git

    Also, try the latest sound git tree whether the problem persists on
    the latest version.

    You can find some other information on
    ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/docs/HD-Audio.pdf


    Takashi


    >
    > dmesg :
    >
    > HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16
    > HDA Intel 0000:00:14.2: setting latency timer to 64
    > ALSA sound/pci/hda/hda_codec.c:3055: autoconfig: line_outs=1
    > (0xd/0x0/0x0/0x0/0x0)
    > ALSA sound/pci/hda/hda_codec.c:3059: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
    > ALSA sound/pci/hda/hda_codec.c:3063: hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
    > ALSA sound/pci/hda/hda_codec.c:3064: mono: mono_out=0x0
    > ALSA sound/pci/hda/hda_codec.c:3072: inputs: mic=0xb, fmic=0x0,
    > line=0xe, fline=0x0, cd=0x0, aux=0x0
    > HDA Intel 0000:01:05.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
    > HDA Intel 0000:01:05.1: setting latency timer to 64
    >
    > /sbin/lspci -vv :
    > 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia
    > Subsystem: Hewlett-Packard Company Device 30f2
    > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
    > Stepping- SERR- FastB2B- DisINTx-
    > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort-
    > <TAbort- <MAbort- >SERR- <PERR- INTx-
    > Latency: 64
    > Interrupt: pin ? routed to IRQ 16
    > Region 0: Memory at d2400000 (64-bit, non-prefetchable) [size=16K]
    > Capabilities: [50] Power Management version 2
    > Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
    > Status: D0 PME-Enable- DSel=0 DScale=0 PME-
    > Kernel driver in use: HDA Intel
    > Kernel modules: snd-hda-intel
    >
    >
    > 01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
    > Subsystem: Hewlett-Packard Company Device 30f2
    > 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
    > Interrupt: pin B routed to IRQ 19
    > Region 0: Memory at d2310000 (32-bit, non-prefetchable) [size=16K]
    > Capabilities: [50] Power Management version 3
    > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
    > Status: D0 PME-Enable- DSel=0 DScale=0 PME-
    > Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable-
    > Address: 0000000000000000 Data: 0000
    > Kernel driver in use: HDA Intel
    > Kernel modules: snd-hda-intel
    >
    > If you need more information, please let me know.
    >
    > I am also curious why it is showing 2 audio devices with lspci. I am
    > using HP dv5-1002us laptop.
    >
    > Thank you,
    >
    > Jaswinder Singh.
    >


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