linux-kernel - Re: regression: from 3.8 to 3.9: headphones output no sound on Intel HDA, codec VIA VT1802

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Message-ID: <CALxABCbJ-4_UPNX5qNAOy-PdQ+tp+vVBDE535nLyfjgzDjjebQ@mail.gmail.com>
Date:	Fri, 24 May 2013 23:32:14 +0200
From:	Alex Riesen <raa.lkml@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: regression: from 3.8 to 3.9: headphones output no sound on Intel
 HDA, codec VIA VT1802

On Fri, May 24, 2013 at 7:22 PM, Takashi Iwai <tiwai@...e.de> wrote:
>
> Well, I assumed that the EAPD off triggers the pin widget off by the
> hardware, too.  But it seems wrong.  By some reason, the hardware
> clears the pin automatically.  Hmm.
>
> Could you try to trace the verbs while plugging the headphone?

Attached, it's ~70k, so compressed again.

>> I did, it does not work. Transcript and alsa-info before and after
>> hda-verb attached.
>
> OK, I'll cook up the new patch later.

I'm sorry to say that I will not be able to test it in the next
8 or so days: I'll be traveling and without this particular laptop
with me. I hope someone with similar model (Sytem76 Lemur lemu4, i7)
can provide some testing in the meantime. Otherwise, I'll test
it as soon as I get back.

Download attachment "trace.log.gz" of type "application/x-gzip" (4015 bytes)