[ltp] crt_enable doesn't work on my T61

[Tao Ma]

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Hi list,
    I am using Fedora 9 on my thinkpad T61. Today I try to use an outside
LCD monitor, but failed. I try "echo crt_enable > /proc/acpi/ibm/video" but
it doesn't work. I have searched in google and can't find the reason. Help
is needed. Thanks. I am not in the list, so please reply me directly.

[root@tma-pc2 events]# modinfo thinkpad_acpi
filename:
/lib/modules/2.6.25-14.fc9.i686/kernel/drivers/misc/thinkpad_acpi.ko
license:        GPL
version:        0.19
description:    ThinkPad ACPI Extras
author:         Borislav Deianov, Henrique de Moraes Holschuh
alias:          dmi:bvnIBM:bvrK[U,X-Z]ET??WW
alias:          dmi:bvnIBM:bvr1[0,3,6,8,A-G,I,K,M-P,S,T]ET??WW
alias:          dmi:bvnIBM:bvrI[B,D,H,I,M,N,O,T,W,V,Y,Z]ET??WW
alias:          dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*
alias:          dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*
alias:          ibm_acpi
srcversion:     13C1F79AE532A4506E74876
depends:        hwmon
vermagic:       2.6.25-14.fc9.i686 SMP mod_unload 686 4KSTACKS

[root@tma-pc2 events]# cat /proc/acpi/ibm/video
status:        supported
lcd:        enabled
crt:        disabled
dvi:        disabled
auto:        disabled
commands:    lcd_enable, lcd_disable
commands:    crt_enable, crt_disable
commands:    dvi_enable, dvi_disable
commands:    auto_enable, auto_disable
commands:    video_switch, expand_toggle
[root@tma-pc2 events]# echo crt_enable > /proc/acpi/ibm/video
[root@tma-pc2 events]# cat /proc/acpi/ibm/video
status:        supported
lcd:        enabled
crt:        disabled
dvi:        disabled
auto:        disabled
commands:    lcd_enable, lcd_disable
commands:    crt_enable, crt_disable
commands:    dvi_enable, dvi_disable
commands:    auto_enable, auto_disable
commands:    video_switch, expand_toggle


thanks.
Tao

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<div class="gmail_quote">Hi list,<br>&nbsp;&nbsp;&nbsp; I am using Fedora 9 on my thinkpad T61. Today I try to use an outside LCD monitor, but failed. I try &quot;echo crt_enable &gt; /proc/acpi/ibm/video&quot; but it doesn&#39;t work. I have searched in google and can&#39;t find the reason. Help is needed. Thanks. I am not in the list, so please reply me directly.<br>

<br>[root@tma-pc2 events]# modinfo thinkpad_acpi<br>filename:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /lib/modules/2.6.25-14.fc9.i686/kernel/drivers/misc/thinkpad_acpi.ko<br>license:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GPL<br>version:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.19<br>description:&nbsp;&nbsp;&nbsp; ThinkPad ACPI Extras<br>

author:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Borislav Deianov, Henrique de Moraes Holschuh<br>alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dmi:bvnIBM:bvrK[U,X-Z]ET??WW<br>alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dmi:bvnIBM:bvr1[0,3,6,8,A-G,I,K,M-P,S,T]ET??WW<br>alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dmi:bvnIBM:bvrI[B,D,H,I,M,N,O,T,W,V,Y,Z]ET??WW<br>

alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*<br>alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*<br>alias:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ibm_acpi<br>srcversion:&nbsp;&nbsp;&nbsp;&nbsp; 13C1F79AE532A4506E74876<br>depends:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; hwmon<br>

vermagic:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.6.25-14.fc9.i686 SMP mod_unload 686 4KSTACKS <br><br>[root@tma-pc2 events]# cat /proc/acpi/ibm/video <br>status:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; supported<br>lcd:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; enabled<br>crt:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>dvi:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>

auto:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>commands:&nbsp;&nbsp;&nbsp; lcd_enable, lcd_disable<br>commands:&nbsp;&nbsp;&nbsp; crt_enable, crt_disable<br>commands:&nbsp;&nbsp;&nbsp; dvi_enable, dvi_disable<br>commands:&nbsp;&nbsp;&nbsp; auto_enable, auto_disable<br>commands:&nbsp;&nbsp;&nbsp; video_switch, expand_toggle<br>

[root@tma-pc2 events]# echo crt_enable &gt; /proc/acpi/ibm/video <br>[root@tma-pc2 events]# cat /proc/acpi/ibm/video <br>status:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; supported<br>lcd:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; enabled<br>crt:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>dvi:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>
auto:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; disabled<br>
commands:&nbsp;&nbsp;&nbsp; lcd_enable, lcd_disable<br>commands:&nbsp;&nbsp;&nbsp; crt_enable, crt_disable<br>commands:&nbsp;&nbsp;&nbsp; dvi_enable, dvi_disable<br>commands:&nbsp;&nbsp;&nbsp; auto_enable, auto_disable<br>commands:&nbsp;&nbsp;&nbsp; video_switch, expand_toggle<br><br><br>thanks.<font color="#888888"><br>
Tao<br><br><br><br>
</font></div><br>

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