Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759973Ab1D0Upd (ORCPT ); Wed, 27 Apr 2011 16:45:33 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:57751 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756121Ab1D0Upc convert rfc822-to-8bit (ORCPT ); Wed, 27 Apr 2011 16:45:32 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Joost Pjotr Vermeer Date: Wed, 27 Apr 2011 22:45:11 +0200 Message-ID: Subject: Re: backlight control broken on Sony VGN-P21Z with staging/gma500 To: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Cc: jp@df5ea.net Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 813 Lines: 23 Hi, 2011/4/13 Joost Pjotr Vermeer : > I tried the new gma500 driver from staging on my Sony VGN-P21Z. It > seems to work very nice. > > But backlight control does not work. It has worked with a previous > version of the staging/gma500 driver. I can solve it by removing the > call to acpi_video_register() from psb_driver_load() in psb_drv.c. I retried using 2.6.39-rc4 and now I have two backlight devices: - /sys/class/backlight/acpi_video0 and; - /sys/class/backlight/psb-bl The psb-bl one works, the acpi_video0 one does not. — Joost -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/