Package: laptop-mode-tools
Version: 1.34-1
Followup-For: Bug #438782
Following up bug #438782, here is attached a simple patch to activate
AC97 autosuspend feature via laptop_mode.
Thanks!
--
a.m.
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.23.1
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages laptop-mode-tools depends on:
ii lsb-base 3.1-24 Linux Standard Base 3.1 init scrip
Versions of packages laptop-mode-tools recommends:
ii acpid 1.0.6-4 Utilities for using ACPI power man
ii hdparm 7.7-1 tune hard disk parameters for high
pn sdparm <none> (no description available)
-- no debconf information
--- usr/sbin/laptop_mode.orig 2007-10-29 02:41:51.000000000 +0100
+++ usr/sbin/laptop_mode 2007-10-29 02:43:02.000000000 +0100
@@ -98,6 +98,7 @@
BATT_DPMS_STANDBY=300
LM_AC_DPMS_STANDBY=1200
NOLM_AC_DPMS_STANDBY=1200
+CONTROL_AC97=0
CONTROL_CPU_THROTTLING=0
BATT_CPU_THROTTLING=medium
LM_AC_CPU_THROTTLING=minimum
@@ -1543,6 +1544,16 @@
fi
+# Control AC97 powersave feature
+if [ $CONTROL_AC97 -eq 1 ] ; then
+ if [ -w /sys/module/snd_ac97_codec/parameters/power_save ]; then
+ echo 1 > /sys/module/snd_ac97_codec/parameters/power_save
+ echo "AC97 autosuspend enabled." >> $OUTPUT
+ else
+ echo "CONFIG_SND_AC97_POWER_SAVE option not set in kernel
config." >> $OUTPUT
+ fi
+fi
+
# Start/stop programs
if [ $CONTROL_START_STOP -eq 1 -a "$STATE" == "enabled" ]; then
# Empty undo file first. We write the actions we take
