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Date: Thu, 15 May 2008 22:17:02 +0200
From: Roberto Oppedisano <roberto.oppedisano@infracom.it>
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To: Takashi Iwai <tiwai@suse.de>
CC: Stas Sergeev <stsp@aknet.ru>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Non-working snd-pcsp
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Takashi Iwai wrote:
> At Wed, 14 May 2008 07:35:19 +0200,
> Roberto Oppedisano wrote:
>   
>> Hello.
>>
>> Takashi Iwai wrote:
>>     
>>> [Changed the subject since it's no real regression]
>>>       
>> ACK
>>     
>>> Could you run "alsactl -f somefile store" and show that file?
>>> This will contain the full mixer information.  
>>>       
>> Attached.
>>     
>
> You turned off both "Master Playback Switch" and "PC Speaker Playback
> Switch" of snd-pcsp driver.  Then it cannot work.
>
> And, since you loaded the sound driver for on-board sound chip, you'll
> likely have to adjust the mixer of that driver, too.  The beep can be
> hooked to the on-board chip once after initialized.
>   

I tried different switch combination with  alsamixer, but no still no
sound from the speaker...
(I managed to enable the speaker, following Stas suggestion)

> But I'm wondering why "PC Speaker Playback Switch" and Volume don't
> appear in the on-board driver.  Which codec (I suppose it's AC97) on
> it?
>   
yep.

00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)

>>>> With kmix I can toggle the mute setting (alsamixer still sees it off), but
>>>> no sound comes out from the speaker.
>>>> I also tried
>>>>
>>>> echo -e "\a"
>>>>
>>>> without the module loaded (on old kernel), and the speaker is mute.
>>>>     
>>>>         
>>> When snd-pcsp is built, the input pcspkr is excluded.  So, the beep
>>> won't work unless snd-pcsp is loaded and activated.
>>>   
>>>       
>> I tried this on 2.6.25 where:
>>
>> roppedisano@poppero1:~$ grep PCSP /boot/config-2.6.25
>> roppedisano@poppero1:~$
>>
>> So, if I'm not missing something, I think it should have worked
>>     
>
> Weird.  If CONFIG_INPUT_PCSPKR isn't there, the box shouldn't beep at
> all.  If it still beeps, it must be a bug...
I can confirm that the box doesn't beep.

Kind regards

R