From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lan Tianyu Subject: Re: [Fix PATCH] ACPI / video: ignore BIOS initial backlight value for Fujitsu E753 Date: Thu, 18 Jul 2013 09:12:15 +0800 Message-ID: <51E740EF.5010700@intel.com> References: <1373940441-21875-1-git-send-email-tianyu.lan@intel.com> <5965989.OyGfl3xY1D@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mga02.intel.com ([134.134.136.20]:5146 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756379Ab3GRBTz (ORCPT ); Wed, 17 Jul 2013 21:19:55 -0400 In-Reply-To: <5965989.OyGfl3xY1D@vostro.rjw.lan> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: lenb@kernel.org, linux-acpi@vger.kernel.org On 2013=E5=B9=B407=E6=9C=8818=E6=97=A5 06:35, Rafael J. Wysocki wrote: > On Tuesday, July 16, 2013 10:07:21 AM tianyu.lan@intel.com wrote: >> From: Lan Tianyu >> >> The BIOS of FUjitsu E753 reports an incorrect initial backlight valu= e >> for WIN8 compatible OS, causing backlight dark during startup. This >> patch ignores the incorrect initial value from BIOS. >> >> Reference:https://bugzilla.kernel.org/show_bug.cgi?id=3D60161 >> Reported-and-tested-by: Jan Hinnerk Stosch >> Signed-off-by: Lan Tianyu >=20 > Queued up as a fix for 3.11. >=20 > What's the oldest mainline kernel release this patch is applicable to= ? This should be backport to 3.7+ kernel. Cc: # 3.7+ >=20 > Rafael >=20 >=20 >> --- >> drivers/acpi/video.c | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c >> index 5d7075d..e441876 100644 >> --- a/drivers/acpi/video.c >> +++ b/drivers/acpi/video.c >> @@ -450,6 +450,14 @@ static struct dmi_system_id video_dmi_table[] _= _initdata =3D { >> }, >> { >> .callback =3D video_ignore_initial_backlight, >> + .ident =3D "Fujitsu E753", >> + .matches =3D { >> + DMI_MATCH(DMI_BOARD_VENDOR, "FUJITSU"), >> + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E753"), >> + }, >> + }, >> + { >> + .callback =3D video_ignore_initial_backlight, >> .ident =3D "HP Pavilion dm4", >> .matches =3D { >> DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), >> --=20 Best regards Tianyu Lan -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html