From mboxrd@z Thu Jan 1 00:00:00 1970 From: klug 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 Message-ID: <425BEC60.6060001@comcast.net> References: <425B0364.6000602@blarg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <425B0364.6000602-90T4dkFmkpLYtjvyW6yDsg@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.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 > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click