From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH] hda: enable speaker output for
	Compaq	6530s/6531s
Date: Tue, 18 Aug 2009 08:33:43 +0200
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To: Wu Fengguang <fengguang.wu@intel.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

At Mon, 17 Aug 2009 08:46:14 +0200,
I wrote:
> 
> At Sun, 16 Aug 2009 19:01:10 +0800,
> Wu Fengguang wrote:
> > 
> > On Sun, Aug 16, 2009 at 05:22:23PM +0800, Takashi Iwai wrote:
> > > At Sun, 16 Aug 2009 16:53:17 +0800,
> > > Wu Fengguang wrote:
> > > > 
> > > > There are 3 causes to the silence of Compaq 6530s' internal speaker:
> > > > - HP pin 0x11 always return 0xffff,ffff (pin_presence=1),
> > > >   which automutes the speaker at module loading time.
> > > 
> > > This is odd.  Is the sense-trigger issued before reading the pin sense?
> > 
> > Sorry, what do you mean?  The facts I explored are:
> > - ad1884a_hp_automute() will be explicitly called by ad1884a_hp_init()
> > - ad1884a_hp_unsol_event() is never called on plug events
> > - I tried manually execute AC_VERB_SET_PIN_SENSE then read pin sense,
> >   it takes effect on the impedance, but pin_presence still remains 1.
> 
> The fact that it returns only -1 sounds rather like a hardware issue.
> Or, at least, reading a wrong place or so.

BTW, could you give alsa-info.sh output on both machines?


thanks,

Takashi