Difference between revisions of "Power saving"
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==Audio== | ==Audio== | ||
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| + | By default, audio power saving is turned off by most drivers. It can be enabled by setting the power_save parameter to a time (in seconds) to go in idle. | ||
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| + | {{Note|Toggling the audio card's power state can cause a popping sound on some broken hardware.}} | ||
;Intel | ;Intel | ||
Revision as of 23:21, 23 October 2012
Audio
By default, audio power saving is turned off by most drivers. It can be enabled by setting the power_save parameter to a time (in seconds) to go in idle.
Note: Toggling the audio card's power state can cause a popping sound on some broken hardware.
- Intel
/etc/modprobe.d/audio_power_save.conf
options snd_hda_intel power_save=1
- ac97
/etc/modprobe.d/audio_power_save.conf
options snd_ac97_codec power_save=1