Re: 2.6.25-git regression with snd-hda-intel on Dell XPS M1330, noanalog sound

From: Matthew Ranostay
Date: Fri Mar 21 2008 - 16:37:33 EST


Andre Tomt wrote:
> [Rafael & Matthew: this is a resend - original was sent to wrong
> linux-kernel address. Also updated, so just ignore the earlier emails.]
>
> With 2.6.25-git I lost sound on my Dell XPS M1330 laptop. There seems to
> be two issues at hand here: 1. Analog output is listed, but emits no
> sound (just silence), and 2. Digital out device is missing.
>
Ok this is puzzling can you paste the results of 'cat /proc/asound/card0/codec0#*'?

Thanks,

Matthew Ranostay

> Issue #1 is bisected in this thread. #2 is still work in progress, and
> will be posted as a separate thread.
>
> git bisect nailed down the missing audio issue to this commit:
>> 2f32d909f3a85a96074801f6cf20f93324f87646 is first bad commit
>> commit 2f32d909f3a85a96074801f6cf20f93324f87646
>> Author: Matthew Ranostay <mranostay@xxxxxxxxxxxxxxxxx>
>> Date: Thu Jan 10 13:06:26 2008 +0100
>>
>> [ALSA] hda: STAC9228 VT fixes
>>
>> Moved 2 systems PCI_QUIRK values to STAC_DELL_BIOS. Also the second
>> front HP jack is incorrect defined in the BIOS VT's for some laptops,
>> this patch corrects this.
>>
>> Signed-off-by: Matthew Ranostay <mranostay@xxxxxxxxxxxxxxxxx>
>> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
>> Signed-off-by: Jaroslav Kysela <perex@xxxxxxxx>
>>
>> :040000 040000 98d7878c8addc0b1595d4b42524cf9cb6cf8759a
>> e32416d5e02694320e8aac369b260d86b2eb2508 M sound
>
> lspci:
>> 00:1b.0 Audio device [0403]: Intel Corporation 82801H (ICH8 Family) HD
>> Audio Controller [8086:284b] (rev 02)
>> Subsystem: Dell Unknown device [1028:0209]
>> 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, Cache Line Size: 64 bytes
>> Interrupt: pin A routed to IRQ 217
>> Region 0: Memory at febfc000 (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: 00000000fee0300c Data: 414a
>> Capabilities: [70] Express (v1) Root Complex Integrated
>> Endpoint, MSI 00
>> DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
>> unlimited, L1 unlimited
>> ExtTag- RBE- FLReset-
>> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
>> Unsupported-
>> RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
>> MaxPayload 128 bytes, MaxReadReq 128 bytes
>> DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq-
>> AuxPwr+ TransPend-
>> LnkCap: Port #0, Speed unknown, Width x0, ASPM
>> unknown, Latency L0 <64ns, L1 <1us
>> ClockPM- Suprise- LLActRep- BwNot-
>> LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
>> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
>> LnkSta: Speed unknown, Width x0, TrErr- Train-
>> SlotClk- DLActive- BWMgmt- ABWMgmt-
>> Capabilities: [100] Virtual Channel <?>
>> Capabilities: [130] Root Complex Link <?>
>> Kernel driver in use: HDA Intel
>> Kernel modules: snd-hda-intel
>> 00: 86 80 4b 28 06 05 10 00 02 00 03 04 10 00 00 00
>> 10: 04 c0 bf fe 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 28 10 09 02
>> 30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 01 00 00
>> 40: 01 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 81 00 0c 30 e0 fe 00 00 00 00 4a 41 00 00
>> 70: 10 00 91 00 c0 0f 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
>> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> c0: 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
>> d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> f0: 00 00 00 00 00 00 00 00 86 0f 05 00 00 00 00 00
>
>
>

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