northernwind wrote: > Another question, how to apply this tweak? I get error message: > tee /sys/devices/platform/soc/3f980000.usb/buspower: permission denied > > https://soundcheck-audio.blogspot.com/2018/10/rpi-3b-on-air.html#more > > The Killer Tweak > > 4. Turn off the entire USB stack on 3B+ (saves about 200mA!). > > echo 0 | tee /sys/devices/platform/soc/3f980000.usb/buspower > >/dev/null > > Tweak nr 2, WLAN power managment turns on after reboot: > > 2. Turn off WLAN power management > > iwconfig wlan0 power off
Likely need root permission to do that. But why not ask the person who wrote the blog. piCorePlayer a small player for the Raspberry Pi in RAM. Homepage: https://www.picoreplayer.org Please 'donate' (https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=U7JHY5WYHCNRU&lc=GB¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted) if you like the piCorePlayer ------------------------------------------------------------------------ paul-'s Profile: http://forums.slimdevices.com/member.php?userid=58858 View this thread: http://forums.slimdevices.com/showthread.php?t=109404 _______________________________________________ unix mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/unix
