Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753273AbaLGNJZ (ORCPT ); Sun, 7 Dec 2014 08:09:25 -0500 Received: from mail-lb0-f170.google.com ([209.85.217.170]:41790 "EHLO mail-lb0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752490AbaLGNJX (ORCPT ); Sun, 7 Dec 2014 08:09:23 -0500 Message-ID: <54845180.4060206@gmail.com> Date: Sun, 07 Dec 2014 16:09:20 +0300 From: Dmitry Tunin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: platform-driver-x86@vger.kernel.org CC: linux-kernel , stable@vger.kernel.org Subject: [PATCH] acpi: Add "acpi_osi=" for ASUS X200MA to enable brightness Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add "acpi_osi=" quirk for ASUS X200MA More information can be found in UX302LA bugreport https://bugzilla.kernel.org/show_bug.cgi?id=70241 I reported it to launchpad too https://bugs.launchpad.net/ubuntu/bug/1400068 Cc:stable@vger.kernel.org Signed-off-by: Dmitry Tunin --- drivers/acpi/blacklist.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 7556e7c..f78ed08 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -162,6 +162,17 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) acpi_osi_setup("!Windows 2012"); return 0; } +/* + * Some ASUS models firmware declares 16 devices instead of 8 + * 'acpi_osi=' kernel parameter fixes it + * Without this parameters brightness keys Fn+F5 and F6 do not work + */ +static int __init dmi_disable_osi_all(const struct dmi_system_id *d) +{ + printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); + acpi_osi_setup(""); + return 0; +} static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { { @@ -371,6 +382,15 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), }, }, + /* Without this brightness keys do not work */ + { + .callback = dmi_disable_osi_all, + .ident = "ASUSTeK COMPUTER INC. X200MA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X200MA"), + }, + }, {} }; -- 1.9.1 -- 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/