[alsa-devel] Loud pops from Intel HDA onboard sound, may damage speakers (fwd)

[Chris Wilson]

Hi Takashi,

On Sat, 26 Mar 2011, Takashi Iwai wrote:
> At Fri, 25 Mar 2011 23:40:42 +0000 (GMT),

>>>> Unfortunately, I can confirm that stock 2.6.38 does NOT resolve the
>>>> pops on suspend and resume.
>>>
>>> OK, then did you try to set option power_save_controller=0 for
>>> snd-hda-intel?
>>
>> I tried this by adding the following line to
>> /etc/modprobe.d/alsa-base.conf:
>>
>>    options snd-hda-intel power_save_controller=0
>>
>> and after a reboot, I still get the same pops on suspend and resume. Is
>> there some way to check dynamically whether the settings of the driver
>> match what's configured here?
>
> The actual value is shown in /sys/module/snd_hda_intel/parameters/*.

Thanks, it shows the value "N", is that the same as "0"?

chris at chris-desktop:~$ cat 
/sys/module/snd_hda_intel/parameters/power_save_controller
N

Cheers, Chris.
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