From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: [PATCH 04/10] asus-acpi: fingers off backlight if video.ko is serving this functionality Date: Sat, 08 Nov 2008 01:14:23 -0500 Message-ID: <1226124869-1878-5-git-send-email-lenb@kernel.org> References: <1226124869-1878-1-git-send-email-lenb@kernel.org> Return-path: Received: from vms046pub.verizon.net ([206.46.252.46]:47139 "EHLO vms046pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751466AbYKHGOi (ORCPT ); Sat, 8 Nov 2008 01:14:38 -0500 Received: from localhost.localdomain ([96.237.168.40]) by vms046.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0KA000DDL40DCQG3@vms046.mailsrvcs.net> for linux-acpi@vger.kernel.org; Sat, 08 Nov 2008 00:14:38 -0600 (CST) In-reply-to: <1226124869-1878-1-git-send-email-lenb@kernel.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: Thomas Renninger , Andi Kleen , Len Brown From: Thomas Renninger Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/asus-laptop.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index a9d5228..8fb8b35 100644 --- a/drivers/misc/asus-laptop.c +++ b/drivers/misc/asus-laptop.c @@ -1208,9 +1208,13 @@ static int __init asus_laptop_init(void) dev = acpi_get_physical_device(hotk->device->handle); - result = asus_backlight_init(dev); - if (result) - goto fail_backlight; + if (!acpi_video_backlight_support()) { + result = asus_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(ASUS_INFO "Brightness ignored, must be controlled by " + "ACPI video driver\n"); result = asus_led_init(dev); if (result) -- 1.6.0.3.640.g6331a