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#! /bin/sh # # Laptop mode tools module: usb-autosuspend. # if [ x$CONTROL_USB_AUTOSUSPEND = x1 ] ; then # We ALWAYS s AUTOSUSPEND_TIMEOUT=2 if [ -f /sys/module/usbcore/parameters/autosuspend ]; then echo $AUTOSUSPEND_TIMEOUT > /sys/module/usbcore/parameters/autosuspend $LM_VERBOSE && echo "Enabling autosuspend mode for new USB devices, with timeout $AUTOSUSPEND_TIMEOUT." >> $OUTPUT else $LM_VERBOSE && echo "Not enabling autosuspend mode for new USB devices -- /sys/module/usbcore/parameters/autosuspend not present." >> $OUTPUT fi if [ -d /sys/bus/usb/devices ]; then for usb_device in /sys/bus/usb/devices/*; do usb_device=`basename $usb_device`; if [ -f /sys/bus/usb/devices/$usb_device/power/autosuspend ]; then echo $AUTOSUSPEND_TIMEOUT > /sys/bus/usb/devices/$usb_device/power/autosuspend; $LM_VERBOSE && echo "Enabling auto suspend mode for usb device $usb_device." >> $OUTPUT else $LM_VERBOSE && echo "Not enabling auto suspend mode for usb device $usb_device -- /sys/bus/usb/devices/$usb_device/power/autosuspend not present." >> $OUTPUT fi if [ -f /sys/bus/usb/devices/$usb_device/power/level ]; then echo "auto" > /sys/bus/usb/devices/$usb_device/power/level; $LM_VERBOSE && echo "Enabling auto power level for usb device $usb_device." >> $OUTPUT else $LM_VERBOSE && echo "Not enabling auto power level for usb device $usb_device -- /sys/bus/usb/devices/$usb_device/power/level not present." >> $OUTPUT fi done else # This will rarely happen. $LM_VERBOSE && echo "There are no USB devices." >> $OUTPUT fi else $LM_VERBOSE && echo "USB autosuspend is disabled." >> $OUTPUT fi