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From: klug <klugster-Wuw85uim5zDR7s880joybQ@public.gmane.org>
To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: No longer able to turn lcd backlight off with 2.6.11->2.6.12-rc2
Date: Tue, 12 Apr 2005 11:42:24 -0400	[thread overview]
Message-ID: <425BEC60.6060001@comcast.net> (raw)
In-Reply-To: <425B0364.6000602-90T4dkFmkpLYtjvyW6yDsg@public.gmane.org>

I tested 2.6.10, and had the same results as with 2.6.11->2.6.12-rc2. So 
it appears this is where the problem began.

klug wrote:

> After upgrading to 2.6.11.6 from 2.6.9 I am no longer able to turn the 
> lcd backlight off with the command "echo lcd_out:0 > 
> /proc/acpi/toshiba/video". I have since tried, 2.6.11, 2.6.11.7, 
> 2.6.12-rc1, and 2.6.12-rc2 with no luck. With that command I have been 
> able to turn the lcd backlight off with all 2.6 kernels up to and 
> including 2.6.9. Previous to the upgrade, nothing appeared in my 
> kernel logs after giving the command, however, now with 
> 2.6.11->2.6.12-rc2 I get the entry "[kernel] video bus notify". I have 
> also tried the new option "CONFIG_BACKLIGHT_LCD_SUPPOT", but again 
> that does not allow me to turn the backlight off. My complete setup 
> including hardware/kernel options is avaiable at, 
> http://bugme.osdl.org/show_bug.cgi?id=4468
>
> -klug
>


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      parent reply	other threads:[~2005-04-12 15:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-11 23:08 No longer able to turn lcd backlight off with 2.6.11->2.6.12-rc2 klug
     [not found] ` <425B0364.6000602-90T4dkFmkpLYtjvyW6yDsg@public.gmane.org>
2005-04-12 15:42   ` klug [this message]

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