Kernel 2.6.22 + ALSA + Intel HDA = hda_codec: Unknown model

From: Justin Piszcz
Date: Sat Jul 14 2007 - 06:18:52 EST


Hi all,

I use an A-BIT AW9D-MAX motherboard and while the audio works fine using the Intel HDA driver; however, I see this in dmesg:

[ 29.188561] Advanced Linux Sound Architecture Driver Version 1.0.14 (Thu May 31 09:03:25 2007 UTC).
[ 29.188728] ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 17
[ 29.188822] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[ 29.240729] hda_codec: Unknown model for ALC882, trying auto-probe from BIOS...
^^^^^^^^^^^^^
[ 29.280743] ALSA device list:
[ 29.280781] #0: HDA Intel at 0xfdff8000 irq 17

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)

Two lspci (-vx) listings attached.

Can we get the PCI ID added to the kernel source so it does not say unknown model?

Thanks,

Justin.00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
Subsystem: ABIT Computer Corp. Unknown device 107a
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 17
Region 0: Memory at fdff8000 (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-
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [70] Express Unknown type IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s <64ns, L1 <1us
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0
Link: Latency L0s <64ns, L1 <1us
Link: ASPM Disabled CommClk- ExtSynch-
Link: Speed unknown, Width x0
Capabilities: [100] Virtual Channel
Capabilities: [130] Unknown (5)
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10: 04 80 ff fd 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 7b 14 7a 10
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40: 03 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 60 42 c8 00 00 00 00 00 00 00 00 00 00 00 00
60: 05 70 80 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 10 00 91 00 00 00 00 00 00 08 10 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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110: 00 00 00 00 01 00 00 80 00 00 00 00 00 00 00 00
120: 80 00 00 81 00 00 00 00 00 00 00 00 00 00 00 00
130: 05 00 01 00 00 01 02 0f 00 00 00 00 00 00 00 00
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00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
Subsystem: ABIT Computer Corp. Unknown device 107a
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at fdff8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Capabilities: [70] Express Unknown type IRQ 0
Capabilities: [100] Virtual Channel
Capabilities: [130] Unknown (5)
00: 86 80 d8 27 06 00 10 00 01 00 03 04 08 00 00 00
10: 04 80 ff fd 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 7b 14 7a 10
30: 00 00 00 00 50 00 00 00 00 00 00 00 05 01 00 00