ipwm.install


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post_install() {
  local period="`/usr/bin/ipwm read 2> /dev/null |
  grep -Po '(?<=period=)[0-9a-f]+'`"
  if [ "${#period}" = '4' ] && [ ! "$period" = '0000' ]; then
    sed -e "s/^period 0000$/period $period/" -i '/etc/ipwm.conf'
  else
    echo 'WARNING: Failed to extract the current PWM period.'
    echo '         You should edit /etc/ipwm.conf before reboot.'
  fi
}