# Authors: grml-team (grml.org), (C) Ubuntu, (c) Michael Prokop <mika@grml.org>
# Bug-Reports: see http://grml.org/bugs/
# License: This file is licensed under the GPL v2.
-# Latest change: Tue Apr 18 19:09:55 CEST 2006 [mika]
+# Latest change: Mit Jul 04 12:15:57 CEST 2007 [mika]
################################################################################
-# Notice: taken from http://people.ubuntulinux.org/~scott/patches/powernowd/
+# Notice: also check out /etc/init.d/loadcpufreq of current cpufrequtils in Debian.
+#
+# Notice: based on http://people.ubuntulinux.org/~scott/patches/powernowd/ and
+# scripts found in the powernowd package version 0.97-1ubuntu6 on Ubuntu.
################################################################################
/usr/sbin/laptop-detect 2>/dev/null && LAPTOP=1
GenuineIntel*)
# If the CPU has the est flag, it supports enhanced speedstep and should
# use the speedstep-centrino driver
- if [ "`grep est $CPUINFO`" ]; then
- MODULE=speedstep-centrino;
+ if [ "$(grep est $CPUINFO)" ]; then
+ case "$(uname -r)" in
+ 2.6.2[0-9]*)
+ # Prefer acpi-cpufreq for kernels after 2.6.20
+ MODULE=acpi-cpufreq
+ ;;
+ *)
+ MODULE=speedstep-centrino
+ ;;
+ esac
elif [ $CPU_FAMILY = 15 ]; then
# Right. Check if it's a P4 without est.
# Could be speedstep-ich, or could be p4-clockmod.