[Bug 147173] Re: sony vaio laptop : brightness didn't work after upgrade to gutsy

[Mathieu Laurent]

Solution :

The kernel module sony_acpi is now called sony_laptop

1. list sony module

lsmod | grep sony -->

sony_laptop            32088  0 
sonypi                 23960  0 
sony_acpi ...

2. remove all sony modules :

modprobe -r sony_acpi
modprobe -r sonypi
modprobe -r sony_laptop

3. launch sony_laptop :

modprobe sony_laptop

4. Don't load sony_acpi at start :

remove from /etc/modules : sony_acpi

Results :

The applet of gnome-power-manager to manage brightness works perfectly

Add applet to panel ;-)

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sony vaio laptop : brightness didn't work after upgrade to gutsy
https://bugs.launchpad.net/bugs/147173
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