From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sitsofe Wheeler Subject: Re: [REGRESSION] Media keys cause "ACPI: \_SB_.ATKD: Unsupported event" on ASUS laptop Date: Thu, 24 Apr 2014 06:21:52 +0100 Message-ID: <20140424052151.GA9449@sucs.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Mantas =?utf-8?Q?Mikul=C4=97nas?= , "Rafael J. Wysocki" , Len Brown , Robert Moore , Lv Zheng Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-acpi@vger.kernel.org On Thu, Apr 17, 2014 at 02:11:15PM +0300, Mantas Mikul=C4=97nas 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). >=20 > 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: >=20 > | 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 > In the past (v3.14 and earlier), those used to be reported as ACPI an= d > input events. From `acpi_listen` on a good kernel: >=20 > | hotkey ATK0100:00 00000045 00000000 > | cd/play CDPLAY 00000080 00000000 K > | > | hotkey ATK0100:00 00000031 0000000d > | button/volumedown VOLDN 00000080 00000000 K > | > | hotkey ATK0100:00 00000016 00000000 > | > | hotkey ATK0100:00 00000025 00000001 >=20 > Bisect output: >=20 > 1a699476e25814343766342672c655fb135224cc is the first bad commit > commit 1a699476e25814343766342672c655fb135224cc > Author: Rafael J. Wysocki > Date: Thu Feb 6 13:58:13 2014 +0100 >=20 > ACPI / hotplug / PCI: Hotplug notifications from acpi_bus_notify(= ) >=20 > Since acpi_bus_notify() is executed on all notifications for all > devices anyway, make it execute acpi_device_hotplug() for all > hotplug events instead of installing notify handlers pointing to > the same function for all hotplug devices. > [...] >=20 > * Linux 3.14.0-rc1-00023-g1a699476e258 (bad) > * Linux 3.14.0-rc1-00022-g5e6f236c2631 (good) >=20 > (I'm not quite sure why they show up as 3.14-rc1 if they're after 3.1= 4?) >=20 > The kernel config is close to that of stock Arch Linux, except with > entirely irrelevant devices disabled (PATA, SCSI, tuner, etc.) Adding email addresses recommended by get_maintainer.pl to see if that helps this to get noticed... --=20 Sitsofe | http://sucs.org/~sits/