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Two "Audio codecs" have 100% power usage in PowerTOP ...
https://unix.stackexchange.com/questions/106762/two-audio-codecs-have-100-power-usage-in-powertop-what-does-this-mean#:~:text=Go%20to%20the%20Tunables%20tab.%20There%2C%20one%20of,power%20consumption%20drops%20to%20a%20more%20bearable%20level
Two "Audio codecs" have 100% power usage in PowerTOP ...
https://unix.stackexchange.com/questions/106762/two-audio-codecs-have-100-power-usage-in-powertop-what-does-this-mean
Go to the Tunables tab. There, one of the options will be : Enable Audio codec power management with the value Bad. Press Enter to change it to Good, and …
100.0% usage by Audio codec hwC0D0: Realtek - Ask …
https://askubuntu.com/questions/91359/100-0-usage-by-audio-codec-hwc0d0-realtek
4 Answers4. Show activity on this post. Try changing "Enable Audio codec power management" to good in the Tunables tab for powertop. After doing so, hwC0D0 is no longer listed in powertop for me. Show activity on this post. No, it just means that you have (probably digital) sound output enabled. If you have some sound outputs, such as digital ...
Saving laptop power with powertop - Fedora Magazine
https://fedoramagazine.org/saving-laptop-power-with-powertop/
The powertop package also provides a service that automatically sets all tunables to “Good” for optimal power saving. To use it, run this command: sudo systemctl start powertop.service. If you’d like the service to run automatically when you boot, run this command: sudo systemctl enable powertop.service
power management - Laptop will not sleep if Tuned and ...
https://unix.stackexchange.com/questions/673199/laptop-will-not-sleep-if-tuned-and-powertop-are-enabled
When Tuned is active and using the powertop profile, the computer will not enter sleep. It attempts to sleep, then the screen goes off for 1 second, then it wakes up again. journlctl: ... [audio] # Enable Audio codec power management timeout=1 [powertop_script] type=script replace=1 script=${i:PROFILE_DIR}/script.sh ...
4.2. Example — Laptop Red Hat Enterprise Linux 6 | Red Hat ...
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/power_management_guide/example_laptop
echo 0 > /proc/sys/kernel/nmi_watchdog. enable AC97 audio power-saving (enabled by default in Red Hat Enterprise Linux 6): echo Y > /sys/module/snd_ac97_codec/parameters/power_save. enable multi-core power-saving (part of the laptop-battery-powersave profile): echo 1 > /sys/devices/system/cpu/sched_mc_power_savings.
Do 'Tunables' in 'PowerTop' help on battery life?
https://www.py4u.net/discuss/1109691
Enable Audio codec power management: 0.5% Runtime PM for PCI device Intel 2nd gen Core proc. DRAM controller: 1.0% Runtime PM for PCI device …
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