RE: No sound on speakers X1 Carbon Gen 12

[Kailang <kailang@xxxxxxxxxxx>]

> -----Original Message-----
> From: Takashi Iwai <tiwai@xxxxxxx>
> Sent: Monday, October 21, 2024 2:59 PM
> To: Dean Matthew Menezes <dean.menezes@xxxxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxx>; Kailang <kailang@xxxxxxxxxxx>;
> stable@xxxxxxxxxxxxxxx; regressions@xxxxxxxxxxxxxxx; Jaroslav Kysela
> <perex@xxxxxxxx>; Takashi Iwai <tiwai@xxxxxxxx>; Linux Sound System
> <linux-sound@xxxxxxxxxxxxxxx>; Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
> Subject: Re: No sound on speakers X1 Carbon Gen 12
> 
> 
> External mail.
> 
> 
> 
> On Mon, 21 Oct 2024 03:30:13 +0200,
> Dean Matthew Menezes wrote:
> >
> > I can confirm that the original fix does not bring back the speaker
> > output.  I have attached both outputs for alsa-info.sh
> 
> Thanks!  This confirms that the only significant difference is the COEF data
> between working and patched-non-working cases.
> 
> Kailang, I guess this model (X1 Carbon Gen 12) isn't with ALC1318, hence your
> quirk rather influences badly.  Or may the GPIO3 workaround have the similar
> effect?

No, I check with our AE. It's ALC1318 include.
And This fixed was testing with Lenovo.

> 
> As of now, the possible fix is to simply remove the quirk entries for ALC1318.
> But I'd need to know which model was targeted for your original fix in commit
> 1e707769df07 and whether the regressed model is with ALC1318.

+	SND_PCI_QUIRK(0x17aa, 0x231e, "Thinkpad", ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318),
+	SND_PCI_QUIRK(0x17aa, 0x231f, "Thinkpad", ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318),

Yes, this model include ALC1318.

> 	
> 
> Takashi