From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E64C9C54FB9 for ; Sun, 19 Nov 2023 22:09:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231450AbjKSWJz (ORCPT ); Sun, 19 Nov 2023 17:09:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229555AbjKSWJx (ORCPT ); Sun, 19 Nov 2023 17:09:53 -0500 Received: from mx3.molgen.mpg.de (mx3.molgen.mpg.de [141.14.17.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96B45136; Sun, 19 Nov 2023 14:09:48 -0800 (PST) Received: from [192.168.0.183] (ip5f5af02c.dynamic.kabel-deutschland.de [95.90.240.44]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id 49BFE61E5FE01; Sun, 19 Nov 2023 23:09:33 +0100 (CET) Message-ID: Date: Sun, 19 Nov 2023 23:09:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Qualcomm Atheros QCA61x4 keeps drawing 0.85 W despite Bluetooth being disable in GNOME To: Alan Stern Cc: Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-pm@vger.kernel.org, Hans de Goede References: <22494842-a785-4151-915d-6f3a677d96cb@molgen.mpg.de> <1f3cb0cc-4bb0-471f-a785-a5d237cd46a3@rowland.harvard.edu> Content-Language: en-US From: Paul Menzel In-Reply-To: <1f3cb0cc-4bb0-471f-a785-a5d237cd46a3@rowland.harvard.edu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Alan, Thank you very much for your quick response. Am 19.11.23 um 16:43 schrieb Alan Stern: > On Sun, Nov 19, 2023 at 02:42:58PM +0100, Paul Menzel wrote: >> On the Dell XPS 13 9360 from 2016, BIOS 2.21.0 06/02/2022, with Debian >> sid/unstable and Debian’s Linux 6.5.10 kernel, I am trying to extend the >> run-time with battery, at under 50 % of it’s original capacity, and I am >> using PowerTOP 2.15. > >> Although radio/wireless devices are turned off in GNOME, PowerTOP shows the >> Bluetooth device drawing 0.85 W of energy: >> >> 848 mW 100.0% Device USB device: usb-device-0cf3-e300 >> >> $ lsusb -d 0cf3:e300 >> Bus 001 Device 002: ID 0cf3:e300 Qualcomm Atheros Communications QCA61x4 Bluetooth 4.0 > >> After unloading the module `btusb`, the entry disappears from the PowerTOP >> list after a while. >> >> usbcore: deregistering interface driver btusb >> >> Auto-suspend was enabled for the device. (Though it shouldn’t have mattered >> as it was disabled in GNOME?) > > Enabling autosuspend means that the device _may_ go into runtime suspend > when it's not being used. Whether it _will_ do so depends on the driver > (btusb in this case). Thank you for the clarification. >> Anyways, have you heard of such an issue? Can I provide more information, to >> get it to not use any energy while being disable in GNOME? > > What is the output from > > grep . /sys/bus/usb/devices/1-3/power/* > > both with and without the btusb module loaded? ``` $ sudo modprobe btusb $ sudo dmesg | tail -10 [313699.136637] wlp58s0: Limiting TX power to 17 dBm as advertised by 00:f6:63:af:fa:4f [314037.905400] WARNING! power/level is deprecated; use power/control instead [314065.418431] usbcore: registered new interface driver btusb [314065.421509] bluetooth hci0: firmware: direct-loading firmware qca/rampatch_usb_00000302.bin [314065.423852] Bluetooth: hci0: using rampatch file: qca/rampatch_usb_00000302.bin [314065.423865] Bluetooth: hci0: QCA: patch rome 0x302 build 0x3e8, firmware rome 0x302 build 0x111 [314065.791131] bluetooth hci0: firmware: direct-loading firmware qca/nvm_usb_00000302.bin [314065.791228] Bluetooth: hci0: using NVM file: qca/nvm_usb_00000302.bin [314065.823499] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported. [314066.117644] Bluetooth: MGMT ver 1.22 $ grep . /sys/bus/usb/devices/1-3/power/* /sys/bus/usb/devices/1-3/power/active_duration:119053224 /sys/bus/usb/devices/1-3/power/async:enabled /sys/bus/usb/devices/1-3/power/autosuspend:2 /sys/bus/usb/devices/1-3/power/autosuspend_delay_ms:2000 /sys/bus/usb/devices/1-3/power/connected_duration:148065372 /sys/bus/usb/devices/1-3/power/control:auto /sys/bus/usb/devices/1-3/power/level:auto /sys/bus/usb/devices/1-3/power/persist:1 /sys/bus/usb/devices/1-3/power/runtime_active_kids:0 /sys/bus/usb/devices/1-3/power/runtime_active_time:119060567 /sys/bus/usb/devices/1-3/power/runtime_enabled:enabled /sys/bus/usb/devices/1-3/power/runtime_status:active /sys/bus/usb/devices/1-3/power/runtime_suspended_time:28831453 /sys/bus/usb/devices/1-3/power/runtime_usage:0 /sys/bus/usb/devices/1-3/power/wakeup:disabled ``` ``` $ sudo modprobe -r btusb $ sudo dmesg | tail -1 [314106.155163] usbcore: deregistering interface driver btusb $ grep . /sys/bus/usb/devices/1-3/power/* /sys/bus/usb/devices/1-3/power/active_duration:119072176 /sys/bus/usb/devices/1-3/power/async:enabled /sys/bus/usb/devices/1-3/power/autosuspend:2 /sys/bus/usb/devices/1-3/power/autosuspend_delay_ms:2000 /sys/bus/usb/devices/1-3/power/connected_duration:148320980 /sys/bus/usb/devices/1-3/power/control:auto /sys/bus/usb/devices/1-3/power/level:auto /sys/bus/usb/devices/1-3/power/persist:1 /sys/bus/usb/devices/1-3/power/runtime_active_kids:0 /sys/bus/usb/devices/1-3/power/runtime_active_time:119079518 /sys/bus/usb/devices/1-3/power/runtime_enabled:enabled /sys/bus/usb/devices/1-3/power/runtime_status:suspended /sys/bus/usb/devices/1-3/power/runtime_suspended_time:29068110 /sys/bus/usb/devices/1-3/power/runtime_usage:0 /sys/bus/usb/devices/1-3/power/wakeup:disabled ``` Kind regards, Paul >> $ lsusb -t >> /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M >> |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 10000M >> |__ Port 2: Dev 3, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M >> /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M >> |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M >> |__ Port 1: Dev 3, If 0, Class=Human Interface Device, >> Driver=usbhid, 12M >> /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M >> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M >> |__ Port 3: Dev 2, If 0, Class=Wireless, Driver=, 12M >> |__ Port 3: Dev 2, If 1, Class=Wireless, Driver=, 12M >> |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M >> |__ Port 5: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M >> |__ Port 5: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M >> ```