Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756012AbaDXKen (ORCPT ); Thu, 24 Apr 2014 06:34:43 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:58039 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755606AbaDXKek convert rfc822-to-8bit (ORCPT ); Thu, 24 Apr 2014 06:34:40 -0400 From: "Rafael J. Wysocki" To: Sitsofe Wheeler Cc: Mantas =?utf-8?B?TWlrdWzEl25hcw==?= , Len Brown , Robert Moore , Lv Zheng , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [REGRESSION] Media keys cause "ACPI: \_SB_.ATKD: Unsupported event" on ASUS laptop Date: Thu, 24 Apr 2014 12:51:01 +0200 Message-ID: <2784123.GhF2tcctEM@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.14.0-rc7+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <20140424052151.GA9449@sucs.org> References: <20140424052151.GA9449@sucs.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, April 24, 2014 06:21:52 AM Sitsofe Wheeler wrote: > On Thu, Apr 17, 2014 at 02:11:15PM +0300, Mantas Mikulėnas wrote: > > After commit 1a699476e258 [two months ago], Linux has stopped > > recognizing the media & function keys on my laptop's keyboard (the > > laptop is ASUS K52JT.206). > > > > When I press any of the Fn keys (Play/Pause, Stop, Prev, Next, Vol+, > > Vol-, Mute, WiFi, Brightness +/-...), I get the following messages in dmesg: > > > > | ACPI: \_SB_.ATKD: Unsupported event type 0x45 > > | ACPI: \_SB_.ATKD: Unsupported event type 0x43 > > | ACPI: \_SB_.ATKD: Unsupported event type 0x40 > > | etc. > > I'm seeing the same problem with an EeePC 900's volume and brightness > keys: > [ 90.098518] ACPI: \_SB_.ATKD: Unsupported event type 0x14 > [ 90.785202] ACPI: \_SB_.ATKD: Unsupported event type 0x15 > [ 457.062072] ACPI: \_SB_.ATKD: Unsupported event type 0x2e > [ 457.926754] ACPI: \_SB_.ATKD: Unsupported event type 0x2d > [ 458.418740] ACPI: \_SB_.ATKD: Unsupported event type 0x2c > [ 458.821482] ACPI: \_SB_.ATKD: Unsupported event type 0x2b > [ 459.240896] ACPI: \_SB_.ATKD: Unsupported event type 0x2a Does this patch help: --- drivers/acpi/bus.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) Index: linux-pm/drivers/acpi/bus.c =================================================================== --- linux-pm.orig/drivers/acpi/bus.c +++ linux-pm/drivers/acpi/bus.c @@ -380,9 +380,8 @@ static void acpi_bus_notify(acpi_handle break; default: - acpi_handle_warn(handle, "Unsupported event type 0x%x\n", type); - ost_code = ACPI_OST_SC_UNRECOGNIZED_NOTIFY; - goto err; + acpi_handle_debug(handle, "Unknown event type 0x%x\n", type); + break; } adev = acpi_bus_get_acpi_device(handle); -- 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/