From patchwork Fri Apr 3 20:20:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 212392 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E7D0C43331 for ; Fri, 3 Apr 2020 20:21:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E44C207FF for ; Fri, 3 Apr 2020 20:21:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="oSDYnQkD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727977AbgDCUVA (ORCPT ); Fri, 3 Apr 2020 16:21:00 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:29625 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728288AbgDCUUj (ORCPT ); Fri, 3 Apr 2020 16:20:39 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48vBBs588rz2CH; Fri, 3 Apr 2020 22:20:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1585945237; bh=i8rERO1eokJ5ICLdJIYDblCyT0yVXlWido55eTwKoeY=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=oSDYnQkDQXGyzQSHchOxSC8Y7ZsUUKssppn6e/zSVApzK0dJVUe3gTarwksErAVFw Woi/UY0Y7+G86AiNopTq8Z7CURxjTqyTRs61hclmEAVHACRi966NYflqr1Jd8EVZGp bt0I5KHwRzxOHjohgPNvsVOdBDFhwC9fRNX9jKYc1nFuGSLcUXskbXpmVGyfmVTAN6 7jGgavW1lEJaMv6gW4tdUT3qTWGP2BCgls5AwNwQVxeTKNwecxuv7rEnedFNyVTz8V gVhmi3BJ6sq2Nv2g3VS2mE+zkWH2KpXn5DVugOsjqsGGAdV/fxMYBtLrOqA9c5foQ/ /hNzTwmDu+Q/A== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Fri, 03 Apr 2020 22:20:37 +0200 Message-Id: <8a68a586e2a3e51fd5a2a3d017844c8f77b0a794.1585944770.git.mirq-linux@rere.qmqm.pl> In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH v3 11/11] power: supply: core: document measurement points MIME-Version: 1.0 To: Andrey Smirnov , Guenter Roeck , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Document used prefixes for input/output/storage voltages and currents. Signed-off-by: Michał Mirosław --- Documentation/power/power_supply_class.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/power/power_supply_class.rst b/Documentation/power/power_supply_class.rst index 7b8c42f8b1de..c41b25aaa755 100644 --- a/Documentation/power/power_supply_class.rst +++ b/Documentation/power/power_supply_class.rst @@ -28,6 +28,12 @@ indication (including whether to use it at all) are fully controllable by user and/or specific machine defaults, per design principles of LED framework). +There are three defined points of measurement for the benefit of mobile and +UPS-like power supplies: INPUT (external power source), OUTPUT (power output +from the module), and unmarked (power flowing to/from a storage element, +eg. battery). Battery is viewed as a power source, so current flowing to +the battery (charging it) is shown negative. + Attributes/properties ~~~~~~~~~~~~~~~~~~~~~