Power management for a couple of other subsystems

3 files changed, 42 insertions, 1 deletions

diff --git a/pm/power.d/Makefile.am b/pm/power.d/Makefile.am
index 157e794..8d39ed9 100644
--- a/pm/power.d/Makefile.am
+++ b/pm/power.d/Makefile.am
@@ -5,7 +5,9 @@ power_SCRIPTS =			\
 	harddrive		\
 	laptop-mode		\
 	xfs_buffer		\
-	readahead
+	readahead		\
+	intel-audio-powersave	\
+	wireless
 
 EXTRA_DIST=$(power_SCRIPTS)
 
diff --git a/pm/power.d/intel-audio-powersave b/pm/power.d/intel-audio-powersave
new file mode 100644
index 0000000..f45b88b
--- /dev/null
+++ b/pm/power.d/intel-audio-powersave
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+audio_powersave() {
+    for dev in /sys/module/snd_*_codec/parameters/power_save; do
+	[ -w $dev ] && echo $1 > $dev
+    done
+}
+
+case $1 in
+    true) audio_powersave 1 ;;
+    false) audio_powersave 0 ;;
+    *) exit $NA
+esac
+
+exit 0
\ No newline at end of file
diff --git a/pm/power.d/wireless b/pm/power.d/wireless
new file mode 100644
index 0000000..7de6a03
--- /dev/null
+++ b/pm/power.d/wireless
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+[ -x /sbin/iwconfig ] || exit $NA
+
+wireless_powersave() {
+    case $1 in
+	on) iwparams="txpower auto power on" ;;
+	off) iwparams="txpower auto power off" ;;
+	*) exit $NA ;;
+    esac
+    cd /sys/class/net
+    for dev in *; do
+	[ -w "${dev}/wireless" ] || continue
+	/sbin/iwconfig $dev $iwparams
+    done
+}
+
+case $1 in
+    true) wireless_powersave on ;;
+    false) wireless_powersave off ;;
+    *) exit $NA ;;
+esac
+
+exit 0
\ No newline at end of file