IBM T41

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Some steps especially for IBM T41/T42

How-to install and configure synaptics driver

Synaptics driver enables some nice features (you'd love to possess) in your TouchPad.

  • Palm detection - no more wandering mouse pointer while you type with your clumsy fingers
  • Vertical scrolling
  • Horizontal scrolling
  • Two finger scrolling, both vertical and horizontal - touch with two fingers anywhere on the TouchPad and then scroll vertically or horizontally. Feeling difficulty using 2 finger scrolling ? try while keeping 2 fingers horizontally i.e. keep 2 fingers on left and right
  • You can click on TouchPad and drag as well
  • Left click - click on TouchPad with one finger
  • Middle click - click on TouchPad with two fingers
  • Right click - click on TouchPad with three fingers
  • Wondering what happens when you try with 4 or 5 fingers ?

Emerge synaptics drivers if you haven't done yet 

emerge -v x11-drivers/xf86-input-synaptics

Section "ServerLayout"
        Identifier     "X.org Configured"
        Screen      0  "Screen0" 0 0
        InputDevice    "Mouse0" "CorePointer"
        InputDevice    "TouchPad" "SendCoreEvents"
        InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Protocol" "auto"
        Option      "Device" "/dev/input/mice"
        Option      "ZAxisMapping" "4 5 6 7"
EndSection

 Section "InputDevice"
   Driver      "synaptics"
   Identifier  "TouchPad"
   Option      "SendCoreEvents"
   Option      "Protocol" "auto-dev"
   Option      "SHMConfig" "on"
   Option	"PalmDetect"           "1"
   Option      "VertEdgeScroll"       "1"
   Option      "HorizEdgeScroll"      "1"
   Option       "VertTwoFingerScroll"  "1"
   Option       "HorizTwoFingerScroll" "1"
   Option      "TapButton1"           "1"
   Option      "TapButton2"           "2"
   Option      "TapButton3"           "3"
 EndSection

Some test values 


    Option      "UpDownScrolling"      "1"
    Option      "LeftRightScrolling"   "1"

    Option      "RTCornerButton"       "2"
    Option      "RBCornerButton"       "3"
    Option      "LTCornerButton"       "0"
    Option      "LBCornerButton"       "0"

    Option      "CircularScrolling"    "1"
    Option      "CircularPad"          "1"
    Option      "CircScrollTrigger"    "2"

How-to make Fn-F3 to Blank LCD

If radeontool was not already emerged. 

emerge -v radeontool


Create file /etc/acpi/actions/fnf3_blank_lcd.sh

and chmod it 755.

File: /etc/acpi/actions/fnf3_blank_lcd.sh 
#/bin/sh
# 23-jun-2008 - keshav@wlink.com.np, keshav.maharjan@worldlink.com.np
# /etc/acpi/actions/fnf3_blank_lcd.sh

# if test fails do whatever is after || 
# if test succeds do whatever is after && 

test -f /usr/sbin/radeontool || { echo "You need to \"emerge radeontool\" to be able to use Fn F3 to blank the LCD" | tee | logger; exit; }
test -f /var/state/lcd || { echo -ne "on" > /var/state/lcd; }
LCD_STATE=`cat /var/state/lcd`
LCD_STATE=`/usr/sbin/radeontool light | awk '{printf $5}'`

test $LCD_STATE = "on" && { 
    /usr/sbin/radeontool light off; 
    echo -ne "off" > /var/state/lcd; 
    logger "LCD switched OFF"
    exit
    }
test $LCD_STATE = "off" && { 
    /usr/sbin/radeontool light on; 
    echo -ne "on" > /var/state/lcd; 
    logger "LCD switched ON"
    }

#test $LCD_STATE = "off" || { /usr/sbin/radeontool light off; echo -ne "off" > /var/state/lcd; }
#test $LCD_STATE = "on" || { /usr/sbin/radeontool light on; echo -ne "on" > /var/state/lcd; }


Create file /etc/acpi/actions/ibm_hotkey.sh

and chmod it 755.

File: /etc/acpi/actions/ibm_hotkey.sh 
#!/bin/sh
# 23-jun-2008 - keshav@wlink.com.np, keshav.maharjan@worldlink.com.np
# /etc/acpi/actions/ibm_hotkey.sh

set $*

# button/lid LID 00000080 00000001
group=${1%%/*}		# button	ibm
action=${1#*/}		# lid		hotkey
device=$2		# LID		HKEY
id=$3			# 00000080	00000080
value=$4		# 00000001	00001003


log_unhandled() {
    logger "ibm_hotkey.sh unhandled: $*"
}

case "$group" in
    ibm)
	# ibm Handler
	case "$action" in
	    hotkey)
		# ibm/hotkey Handler
		    case "$id" in
			# ibm/hotkey HKEY 00000080
			00000080)
			    case "$value" in
				# ibm/hotkey HKEY 00000080 0000101
				00001018)
				    # Access IBM
				    # logger "$0 Access IBM"
				    logger "Access IBM"
				    ;;
				00001014)
				    # Fn Spacebar
				    logger "Fn Spacebar"
				    ;;
				0000100d)
				    # Fn Backspace
				    logger "Fn Backspace"
				    ;;
				00001001)
				    # Fn F1
				    logger "Fn F1"
				    ;;
				00001002)
				    # Fn F2
				    logger "Fn F2"
				    ;;
				00001003)
				    # Fn F3 IBM Blank LCD
				    logger "Fn F3 IBM Blank LCD"
				    /etc/acpi/actions/fnf3_blank_lcd.sh
				    ;;
				00001004)
				    # Fn F4 IBM Sleep
				    logger "Fn F4 IBM Sleep"
				    #/etc/acpi/actions/fnf4_sleep.sh
				    ;;
				00001005)
				    # Fn F5 IBM Wireless
				    logger "Fn F5 IBM Wireless"
				    /etc/acpi/actions/fnf5_wireless.sh
				    ;;
				00001006)
				    # Fn F6
				    logger "Fn F6"
				    ;;
				00001007)
				    # Fn F7 IBM Switch LCD/Video
				    logger "Fn F7 IBM Switch LCD/Video"
				    #/etc/acpi/actions/fnf7_switch_lcd_video.sh
				    ;;
				00001008)
				    # Fn F8
				    logger "Fn F8"
				    ;;
				00001009)
				    # Fn F9
				    logger "Fn F9"
				    ;;
				0000100a)
				    # Fn F10
				    logger "Fn F10"
				    ;;
				0000100b)
				    # Fn F11
				    logger "Fn F11"
				    ;;
				0000100c)
				    # Fn F12 IBM Hibernate
				    logger "Fn F4 IBM Hibernate"
				    #/etc/acpi/actions/fnf12_hibernate.sh
				    ;;
				*)
				    ;;
			    # case "$value"
			    esac
			# case 00000080)
			# end
			    ;;
			*)
			    ;;
		    esac
		;;
	    *)
		log_unhandled $*
		;;
	esac
esac


Create file /etc/acpi/events/ibm_hotkey

and chmod it 644.

File: /etc/acpi/events/ibm_hotkey 
# 23-jun-2008 - keshav@wlink.com.np, keshav.maharjan@worldlink.com.np

event=ibm[ /]hotkey
action=/etc/acpi/actions/ibm_hotkey.sh %e


Edit file /etc/acpi/default.sh

and add 

        # ibm Handled by /etc/acpi/actions/ibm_hotkey.sh 
        ibm)
            ;;
        #

between lines 

case "$group" in

and 

        button)

and it should look like file shown below:

File: /etc/acpi/default.sh 
...
case "$group" in
        # ibm Handled by /etc/acpi/actions/ibm_hotkey.sh 
        ibm)
            ;;
        #
        button)
...

Debug 

watch cat /var/state/lid

tail -f /var/log/syslog-ng/daemon/logger.log

or 

tail -f /var/log/logger.log


How-to make Fn-F5 to Switch WiFi APs

I assume you've already followed steps in "How-to make Fn-F3 to Blank LCD"

Create file /etc/acpi/actions/fnf5_wireless.sh

and chmod it 755.

File: /etc/acpi/actions/fnf5_wireless.sh 
#/bin/sh
# 23-jun-2008 - keshav@wlink.com.np, keshav.maharjan@worldlink.com.np
# /etc/acpi/actions/fnf3_blank_lcd.sh

#function CUR_ESSID () {
#    out=`/sbin/iwconfig eth1 | head -n1 | awk -F\"  '{print $2}'`
#    return $out
#    }

function wlink1 () {
    /sbin/ifconfig eth1 up 
    /sbin/iwconfig eth1 essid Wlink1 key "xxx" txpower 20 
    sleep 1 
    CUR_ESSID=`/sbin/iwconfig eth1 | head -n1 | awk -F\"  '{printf $2}'`
    ##logger "CUR_ESSID=<$CUR_ESSID>";
    test "$CUR_ESSID" = "Wlink1" && { 
	/sbin/dhcpcd eth1 
	logger "WL Wlink1" 
	echo "Wlink1" > /var/state/wireless
	exit 0
    }
    echo "Wlink2" > /var/state/wireless
	exit 0
}

function wlink2 () {
    /sbin/ifconfig eth1 up 
    /sbin/iwconfig eth1 essid Wlink2 key "xxx" txpower 20 
    sleep 1 
    CUR_ESSID=`/sbin/iwconfig eth1 | head -n1 | awk -F\"  '{printf $2}'`
    test "$CUR_ESSID" = "Wlink2" && { 
	/sbin/dhcpcd eth1
	logger "WL Wlink2"
	echo "Wlink2" > /var/state/wireless
	exit 0
    }
    echo "kriti" > /var/state/wireless
	exit 0
}

function kriti () {
    /sbin/ifconfig eth1 up 
    /sbin/iwconfig eth1 essid kriti txpower 20 enc off 
    sleep 1 
    CUR_ESSID=`/sbin/iwconfig eth1 | head -n1 | awk -F\"  '{printf $2}'`
    ##logger "CUR_ESSID=<$CUR_ESSID>";
    test "$CUR_ESSID" = "kriti" && { 
	/sbin/dhcpcd eth1
	logger "WL kriti"
	echo "kriti" > /var/state/wireless
	exit 0
    }
    echo "Wlink1" > /var/state/wireless
	exit 0
}

# if test fails do whatever is after || 
# if test succeds do whatever is after && 
test -f /var/state/wireless || { echo -ne "off" > /var/state/wireless; }
WL_STATE=`cat /var/state/wireless`

#test "$WL_STATE" = "off" && {
    case "$WL_STATE" in
    off)
	wlink1
	;;
    Wlink1)
	wlink1
	;;
    Wlink2)
	wlink2
	;;
    kriti)
	kriti
	;;
    *)
	kriti
	;;
    esac
#} 

exit

How-to manually control fan speed

Fan is automatically controlled and its speed is changed as per change in CPU temperature. Manually controlling is risky, though, its useful when you're running laptop for long duration and want to run fan at maximum speed when temperature is too hot to put laptop on your lap !

Kernel Configuration

Get into menuconfig (cd /usr/src/linux && make menuconfig) and check the following:

Linux Kernel Configuration: ATI Drivers 
General setup --->
  [*] ...
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