linux-kernel - Re: PC speaker beeps in 2.6.30?

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Date:	Mon, 15 Jun 2009 22:10:24 +0400
From:	Michael Tokarev <mjt@....msk.ru>
To:	Frans Pop <elendil@...net.nl>
CC:	linux-kernel@...r.kernel.org
Subject: Re: PC speaker beeps in 2.6.30?

Michael Tokarev wrote:
> Frans Pop wrote:
>> Michael Tokarev wrote:
>>> Anyone know what happened with PC speaker in 2.6.30?
>>> Basically, it does not work anymore here, with the
>>> config which is very similar to the one used for
>>> previous 2.6.29 kernel (where PC speaker worked).
>>> At least I don't see any relevant differences and
>>> the (seemengly) relevant symbols -- which are
>>> INPUT_PCSPKR and PCSPKR_PLATFORM -- are both set
>>> to 'y' for both 2.6.29 and 2.6.30.
>>
>> For me the system beep has been replaced by a beep in ALSA with .30.
> 
> Hmm...
> 
>> Do you have soundcard that uses HDA? Is CONFIG_SND_HDA_INPUT_BEEP set?
>> Does alsamixer show a "beep" control? Is that not muted and does it 
>> have volume set?
> 
> ..Yes there is such a control and yes it is muted.  When un-muting it I do
> hear an ugly/scary beep from my soundcard (from the speakers).  But I don't
> have anything connected to the soundcard on any of my servers.

And this same config option (CONFIG_SND_HDA_INPUT_BEEP) is present in
2.6.29 kernel.  Also set to y here.

> On a similar motherboard with 2.6.29 I've a "PC Speak" control which does
> not do anything, at least not visible (or audible).
> 
> But I'd rather get my old good pc speaker back.  One thing is the sound
> card with speakers which are only sometimes on and which produces very
> very bad sound when the 'beeper' control is turned on, and another is the
> old good PC internal speaker with a good "beep" sound.
> 
> Thanks!
> 
> /mjt

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