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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 A5B3FC433DF for ; Fri, 10 Jul 2020 10:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 714BC20786 for ; Fri, 10 Jul 2020 10:01:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594375262; bh=kOJc9WhNOM98kpWorCDKyqHEtzGaX9W9kQLh46fkPMM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=iQMLcYmNRIYb6dhPmSvrXWN/EhVeES4LBNPEygucoN49o9VfBkjYE2/inFjHhlLAj Zm2YVAAEvEQKCC2s3qxbsd80VuBWGlwKLgnCWWk6AEGKtPzUnLnsJM8aICdbHWRmPD lnUy/ZFJjIGckOqAszMrFrbOkeff98pz05O6dR0w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727099AbgGJKBB (ORCPT ); Fri, 10 Jul 2020 06:01:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:35266 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726560AbgGJKBB (ORCPT ); Fri, 10 Jul 2020 06:01:01 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DBC4520775; Fri, 10 Jul 2020 10:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594375261; bh=kOJc9WhNOM98kpWorCDKyqHEtzGaX9W9kQLh46fkPMM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PX/99WvFuMWtVbE1zBdnuj4yudB9WY8DHvBlJ5+0jMoVerE52crOcsGmYht9pdhhM u1YIfQ4HAzGDrWGdmFwxmmmAYPM/OfubPy1L46CimGYUKuMxpdJeOxAPc5VmXskHtj GOl61RL4NCHb3f1CJCD0aDMdBGY/1F/TUjknv+Wc= Date: Fri, 10 Jul 2020 12:01:06 +0200 From: Greg KH To: Qiwu Huang Cc: sre@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, jiangfei1@xiaomi.com, Qiwu Huang Subject: Re: [PATCH 3/5] power: supply: core: add wireless signal strength property Message-ID: <20200710100106.GC1197607@kroah.com> References: <20200710084841.1933254-1-yanziily@gmail.com> <20200710084841.1933254-3-yanziily@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200710084841.1933254-3-yanziily@gmail.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Fri, Jul 10, 2020 at 04:48:39PM +0800, Qiwu Huang wrote: > From: Qiwu Huang > > reports wireless signal strength. > The value show degree of coupling between tx and rx. > > Signed-off-by: Qiwu Huang > --- > Documentation/ABI/testing/sysfs-class-power | 9 ++++++++- > drivers/power/supply/power_supply_sysfs.c | 1 + > include/linux/power_supply.h | 1 + > 3 files changed, 10 insertions(+), 1 deletion(-) > > diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power > index 2099cf194a89..1f42aa0c071e 100644 > --- a/Documentation/ABI/testing/sysfs-class-power > +++ b/Documentation/ABI/testing/sysfs-class-power > @@ -730,4 +730,11 @@ Description: > > Access: Read-Only > Valid values: "ADAPTER_NONE", "ADAPTER_SDP", "ADAPTER_DCP", "ADAPTER_CDP", > - "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter. > \ No newline at end of file > + "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter. > + > +What: /sys/class/power_supply//signal_strength > +Date: Jul 2020 > +Contact: Fei Jiang > +Description: > + Reports wireless signal strength. > + The value show degree of coupling. What units are this in? The "value" means what? thanks, greg k-h