[ltp] Re: HDA-Intel and Beeps

[Kevin Locke]

On Thu, 2009-11-26 at 08:01 +0100, Elias Oltmanns wrote:
> Kevin Locke <kevin@kevinlocke.name> wrote:
>> On Wed, 2009-11-25 at 20:52 +0100, Elias Oltmanns wrote:
>>> Finally, I started configuring my new X200s today. Remembering the
>>> discussion about beeps on this list, I checked and did, indeed, observe
>>> the same problem, i.e. no beeps generated through pcspkr or snd_pcsp,
>>> respectively.
>>> 
>>> The simple workaround, it turned out, was to make sure that the
>>> power_save parameter of the snd_hda_intel module was set to 0.
>>
>> Kudos on figuring this out.  Very interesting.  Testing this solution
>> on my T60p didn't work, unfortunately, but the root of the problem may
>> still be related.  Looks like the alsa-base.conf currently shipped in
>> Debian testing doesn't set power_save (and adding a line to set it to
>> 0 explicitly had no effect).
> 
> There are various places to modify this parameter (including the kernel
> config, I think). So, you may want to check
> 
> $ cat /sys/module/snd_hda_intel/parameters/power_save
> 
> in order to make absolutely sure that this parameter hasn't been
> tampered with.

Good point.  If I had not explicitly set it to 0 by adding the
options line to alsa-base.conf it would have been non-zero (60), but
with that line added it reports 0.  No beeps in either case.

Kevin