linux-kernel - BUG - HDA Intel very low audio with breaking voice in 2.6.28-rc8

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Date:	Sun, 14 Dec 2008 13:28:56 +0530
From:	"Jaswinder Singh" <jaswinderlinux@...il.com>
To:	linux-kernel@...r.kernel.org, matt.jared@...el.com,
	andy.kopp@...el.com, dan.d.kogan@...el.com, tiwai@...e.de,
	pshou@...ltek.com.tw
Subject: BUG - HDA Intel very low audio with breaking voice in 2.6.28-rc8

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 ;)

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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