Well, I tried and it works perfectly for me - but I don't use kernel
modules for sound. If you have modules loading it with the appropiate
options will surely make powersaving work without problems, but in my
case it's necessary to set the parameter via sysfs and play a sound
afterwards - playing a
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This work around not working for me.
It seems sysfs options for snd_ac97_codec true only for new devices.
It's mean you need reload snd_card_driver to make youse of this changes
or just
echo "options snd_ac97_codec power_save=1" >> /etc/modprobe.d/op
I got an idea for a possible workaround until this issue is fixed:
If using the sysfs interface to set the powermanagement of AC97, you
will most probably set it in an init script, I did in /etc/rc.local .
After you set the value to "Y" (or "1"), you need to play a sound once
to trigger the power s
Alexey Fisher wrote:
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Interesting issue. is it possible to fix it?
Arjan van de Ven wrote:
if you use the sysfs interface, you first need to play a sound for the
setting to become active ;(
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yes this should absolutely
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Interesting issue. is it possible to fix it?
Arjan van de Ven wrote:
> if you use the sysfs interface, you first need to play a sound for the
> setting to become active ;(
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the argument passed via
modprobe?
Peter
On Mon, 2007-05-21 at 07:59 -0700, Arjan van de Ven wrote:
> Alexey Fisher wrote:
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> > Any body know what is about SND_AC97_POWER_SAVE?
> > it dasn't make any d
Alexey Fisher wrote:
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Any body know what is about SND_AC97_POWER_SAVE?
it dasn't make any difference if this enabled or not.
echo 1 or 0 > /sys/modules/ac97_codec/parameters/powersave
keep power usage at 11.2W, "rmmod snd_intel8x0&quo
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Any body know what is about SND_AC97_POWER_SAVE?
it dasn't make any difference if this enabled or not.
echo 1 or 0 > /sys/modules/ac97_codec/parameters/powersave
keep power usage at 11.2W, "rmmod snd_intel8x0" make 10,7W
-B
