From patchwork Fri Jul 10 08:48:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qiwu Huang X-Patchwork-Id: 11656039 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3794D13B4 for ; Fri, 10 Jul 2020 08:51:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F37320874 for ; Fri, 10 Jul 2020 08:51:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CaMVmCn4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727864AbgGJIvP (ORCPT ); Fri, 10 Jul 2020 04:51:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726644AbgGJIvO (ORCPT ); Fri, 10 Jul 2020 04:51:14 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 565EFC08C5CE; Fri, 10 Jul 2020 01:51:14 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id f16so2325506pjt.0; Fri, 10 Jul 2020 01:51:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5loYY1DFP5UkjOp2MofZRfLySKRm9AgxA86rY2bQ2kQ=; b=CaMVmCn4E46eYL7mObanXh4Wo8mBMWqFptcn5SIIj1syHPGj6xY2tNavIgxkyYjT6M XaGUE35zU6pEIQcaSKMXfEdJCEZsjN8w0zLBqgwO2q/83jbX22i3dya9uA2itc0PRfZ3 ttBi2hJmjuokjq8jHyfZAXhhmIpyNGrDdRbXPCVR+xzmdodv+BBrqsEFuIYfqY5b46UF PyT0Cd2GAww2O22NVLY4U7HreGUu7FDCaD7/9IodULNOP/jjutiOlVFDkx/7N+DdLqUb A/2duUVX5oucx428v32Dg726Sn++yyGjjkwpmDPqXtGVfdZaGMsE8G4zhr+u/Er/FzUs JpjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5loYY1DFP5UkjOp2MofZRfLySKRm9AgxA86rY2bQ2kQ=; b=hBB2i7j42/NzEgnMe/EgB1bcrN12eJXJTWq+uoe5syHXQliZOU7m+wTzqF4ZI7lmeu woHi2m4YNNED2Kdelm+MbowaN1tF9HnS1lmbcYVnFoWA5m0OaySaadk5zWKFM/WU9cV+ co0zePNq05W9ZO5fisNp7Uw+D518xff+QLaxMJcRQUefmbfeZBqu+mXPva+CCktwQ5Qv PjqVEzSxgwy1l6NpEHecRCom1BuE1ZqPaP8N6q34Heh7T0XVudAubvwkGQKXma1IAaoV SpGxY2pzLDKnCr/x7OKs8DfklFutzjS2Sn6KqQJoJugkUNcXNrXycD9OK/LD92e+FuK5 7wYA== X-Gm-Message-State: AOAM531MbXe/JXQrFgZMZqbdktaiFNh4pkBSieFwi2VyuryKgydL1G5u q2rvTtZ4REA3Er5BYwrOxfI= X-Google-Smtp-Source: ABdhPJyse+/5Om/D9N2zI+BL3zAC4DQKeDfsPND1rf1V/zNbcQ/xm1darMvWQXIXk7+Zp/vGmR1sMQ== X-Received: by 2002:a17:90a:728d:: with SMTP id e13mr4786788pjg.51.1594371073943; Fri, 10 Jul 2020 01:51:13 -0700 (PDT) Received: from xiaomi.mioffice.cn ([43.224.245.179]) by smtp.gmail.com with ESMTPSA id e8sm4734273pff.185.2020.07.10.01.51.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 01:51:13 -0700 (PDT) From: Qiwu Huang To: sre@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, jiangfei1@xiaomi.com, Qiwu Huang Subject: [PATCH 3/5] power: supply: core: add wireless signal strength property Date: Fri, 10 Jul 2020 16:48:39 +0800 Message-Id: <20200710084841.1933254-3-yanziily@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200710084841.1933254-1-yanziily@gmail.com> References: <20200710084841.1933254-1-yanziily@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org 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. \ No newline at end of file diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index c864a14829ec..42fbe1b68255 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -208,6 +208,7 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(SERIAL_NUMBER), POWER_SUPPLY_ATTR(quick_charge_type), POWER_SUPPLY_ATTR(tx_adapter), + POWER_SUPPLY_ATTR(signal_strength), }; static struct attribute * diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 2de9a4c93723..397fb8e96b03 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -169,6 +169,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_SERIAL_NUMBER, POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE, POWER_SUPPLY_PROP_TX_ADAPTER, + POWER_SUPPLY_PROP_SIGNAL_STRENGTH, }; enum power_supply_type {