From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763682AbZBDTEK (ORCPT ); Wed, 4 Feb 2009 14:04:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761446AbZBDSto (ORCPT ); Wed, 4 Feb 2009 13:49:44 -0500 Received: from kroah.org ([198.145.64.141]:32951 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761412AbZBDSte (ORCPT ); Wed, 4 Feb 2009 13:49:34 -0500 Date: Wed, 4 Feb 2009 10:46:56 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , Willy Tarreau , Rodrigo Rubira Branco , Jake Edge , Eugene Teo , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Matthew Garrett , Len Brown , Thomas Renninger Subject: [patch 34/41] video: always update the brightness when poking "brightness" Message-ID: <20090204184656.GI25246@kroah.com> References: <20090204184029.881610776@mini.kroah.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename="video-always-update-the-brightness-when-poking-brightness.patch" In-Reply-To: <20090204184539.GA25246@kroah.com> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Zhang Rui commit 9e6dada9d255497127251c03aaa59296d186f959 upstream. always update props.brightness no matter the backlight is changed via procfs, hotkeys or sysfs. Sighed-off-by: Zhang Rui Acked-by: Matthew Garrett Signed-off-by: Len Brown Cc: Thomas Renninger Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/video.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -482,6 +482,7 @@ acpi_video_device_lcd_set_level(struct a int status = AE_OK; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; + int state; arg0.integer.value = level; @@ -490,6 +491,10 @@ acpi_video_device_lcd_set_level(struct a status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL); device->brightness->curr = level; + for (state = 2; state < device->brightness->count; state++) + if (level == device->brightness->levels[state]) + device->backlight->props.brightness = state - 2; + return status; }