From mboxrd@z Thu Jan 1 00:00:00 1970 From: klug Subject: Toshiba backlight control Date: Thu, 14 Apr 2005 18:06:13 -0400 Message-ID: <425EE955.7020400@blarg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: 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 Previous to the 2.6.10 release I was able to control the lcd backlight on my toshiba satellite S507-5005 via the commands "echo lcd_out:0 > /proc/acpi/toshiba/video" (off) & "echo lcd_out:1 > /proc/acpi/toshiba/video" (on). The DPMS commands have never worked for this system. I have tested the new backlight module by passing commands to the /sys/module/backlight files with no luck. Also, there has never been a /proc/acpi/video to test. I posted a complete bug report (http://bugme.osdl.org/show_bug.cgi?id=4468) and was advised by the fbdev list my problem looks to be acpi related. I have tested 2.6.10, 2.6.11, 2.6.11.4->7, 2.6.12-rc1, and 2.6.12-rc2 all with the same result. The "Toshiba Laptop ACPI Extras" version (0.18) is the same in every tested version, including the working 2.6.0->2.6.9. So the change/problem doesn't appear to be in the toshiba features. Below is my acpi / toshiba config options. My complete hardware setup can be seen in the bug report (http://bugme.osdl.org/show_bug.cgi?id=4468). -klug CONFIG_TOSHIBA=y CONFIG_ACPI=y CONFIG_ACPI_BOOT=y CONFIG_ACPI_INTERPRETER=y # CONFIG_ACPI_SLEEP is not set CONFIG_ACPI_AC=y CONFIG_ACPI_BATTERY=y CONFIG_ACPI_BUTTON=y CONFIG_ACPI_VIDEO=y CONFIG_ACPI_FAN=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_THERMAL=y # CONFIG_ACPI_ASUS is not set # CONFIG_ACPI_IBM is not set CONFIG_ACPI_TOSHIBA=y CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_BUS=y CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_PCI=y CONFIG_ACPI_SYSTEM=y # CONFIG_X86_PM_TIMER is not set # CONFIG_ACPI_CONTAINER is not set ------------------------------------------------------- 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