This patch is based on sysfsutils package's behaviour on Debian OS. Signed-off-by: Rodolfo Giometti <giometti@linux.it>master
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# local sysctl settings can be stored in this directory |
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# |
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# /etc/sysfs.conf - Configuration file for setting sysfs attributes. |
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# |
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# The sysfs mount directory is automatically prepended to the attribute paths. |
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# |
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# Syntax: |
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# attribute = value |
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# mode attribute = 0600 # (any valid argument for chmod) |
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# owner attribute = root:wheel # (any valid argument for chown) |
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# |
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# Examples: |
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# |
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# Always use the powersave CPU frequency governor |
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# devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave |
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# |
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# Use userspace CPU frequency governor and set initial speed |
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# devices/system/cpu/cpu0/cpufreq/scaling_governor = userspace |
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# devices/system/cpu/cpu0/cpufreq/scaling_setspeed = 600000 |
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# |
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# Set permissions of suspend control file |
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# mode power/state = 0660 |
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# owner power/state = root:power |
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#!/bin/sh /etc/rc.common |
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# Copyright (C) 2017 Rodolfo Giometti <giometti@enneenne.com> |
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# |
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# Based on Debian's script /etc/init.d/sysfsutils by |
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# Martin Pitt <mpitt@debian.org> |
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|
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load_conffile() { |
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FILE="$1" |
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sed 's/#.*$//; /^[[:space:]]*$/d; |
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s/^[[:space:]]*\([^=[:space:]]*\)[[:space:]]*\([^=[:space:]]*\)[[:space:]]*=[[:space:]]*\(.*\)/\1 \2 \3/' \ |
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$FILE | { |
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while read f1 f2 f3; do |
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if [ "$f1" = "mode" -a -n "$f2" -a -n "$f3" ]; then |
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if [ -f "/sys/$f2" ] || [ -d "/sys/$f2" ]; then |
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chmod "$f3" "/sys/$f2" |
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else |
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echo "unknown attribute $f2" |
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fi |
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elif [ "$f1" = "owner" -a -n "$f2" -a -n "$f3" ]; then |
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if [ -f "/sys/$f2" ]; then |
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chown "$f3" "/sys/$f2" |
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else |
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echo "unknown attribute $f2" |
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fi |
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elif [ "$f1" -a -n "$f2" -a -z "$f3" ]; then |
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if [ -f "/sys/$f1" ]; then |
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# Some fields need a terminating newline, others |
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# need the terminating newline to be absent :-( |
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echo -n "$f2" > "/sys/$f1" 2>/dev/null || |
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echo "$f2" > "/sys/$f1" |
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else |
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echo "unknown attribute $f1" |
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fi |
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else |
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echo "syntax error in $CONFFILE: '$f1' '$f2' '$f3'" |
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exit 1 |
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fi |
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done |
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} |
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} |
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|
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START=11 |
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start() { |
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for file in /etc/sysfs.conf /etc/sysfs.d/*.conf; do |
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[ -r "$file" ] || continue |
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load_conffile "$file" |
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done |
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} |
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