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: <CALxABCZdm=qd1E63NeabcqmD0csnL1FcuUBCFTwa1yDOVRVXyg@mail.gmail.com>
Date:	Fri, 24 May 2013 18:36:14 +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 3:29 PM, Takashi Iwai <tiwai@...e.de> wrote:
>> On Fri, May 17, 2013 at 8:04 AM, Takashi Iwai <tiwai@...e.de> wrote:
>> >> Well... It seems that something went unnoticed. This command seems
>> >> to be essential for this (and the revised) patch to get the headphone
>> >> output at all:
>> >>
>> >>         hda-verb /dev/snd/hwC0D0 0x25 SET_PIN_WID 0xc0
>> >
>
> Looking at the outputs above, it seems that turning on/off EAPD on VT
> codecs triggers the automatic power up/down of the pin, which leads to
> the unexpected result.

I may be wrong here, but why the patch touches EAPD handling, but not WID?

> Could you try the patch below?

I did, it does not work. Transcript and alsa-info before and after
hda-verb attached.

Regards,
Alex

Download attachment "3.9.2-headphone-cleanboot-noaudio.alsa.gz" of type "application/x-gzip" (5975 bytes)

Download attachment "3.9.2-headphone-audio.alsa.gz" of type "application/x-gzip" (5976 bytes)

Download attachment "headphone-transcript.gz" of type "application/x-gzip" (634 bytes)