From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukas Hejtmanek Subject: Re: ACPI - DOS - 2.6.10 Date: Wed, 29 Dec 2004 10:28:36 +0100 Message-ID: <20041229092836.GA15367@mail.muni.cz> References: <3ACA40606221794F80A5670F0AF15F8406A73C1E@pdsmsx403> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <3ACA40606221794F80A5670F0AF15F8406A73C1E@pdsmsx403> 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: "Yu, Luming" Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Wed, Dec 29, 2004 at 10:56:51AM +0800, Yu, Luming wrote: > The DSDT shows that: > In _DOS: > If (LNot (LLess (OSYS, 0x07D0))) > { > Store (0x00, DSEN) > } > And in _Q0E, if DSEN is 1 then, BIOS will automatically handle dispaly switch, > otherwise, it just generate Notify event to OSPM, and rely on driver to handle it. > However, there don't have _DSS in DSDT , which is requred for acpi video driver to handle display switch. > > Could you try kernel option "acpi_osi=" Nothing changed. Btw, there is a touchpad switch (to turn it off/on) that does not work any more either. -- Lukáš Hejtmánek ------------------------------------------------------- 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://productguide.itmanagersjournal.com/