From patchwork Tue Aug 25 06:37:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qiwu Huang X-Patchwork-Id: 11734989 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 130FC913 for ; Tue, 25 Aug 2020 06:40:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5E0C2075F for ; Tue, 25 Aug 2020 06:40:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WPjjoCq+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729133AbgHYGkU (ORCPT ); Tue, 25 Aug 2020 02:40:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729143AbgHYGkR (ORCPT ); Tue, 25 Aug 2020 02:40:17 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C45BC061574; Mon, 24 Aug 2020 23:40:17 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id l191so4026660pgd.5; Mon, 24 Aug 2020 23:40:17 -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=oPTjuwCthUmMjgvx3f4uFfhVGWQpGsk/v4Ea0sfsyl0=; b=WPjjoCq+eG/jacxw0fg2TjSSg+WH2qd9qtOh8QHCFrnYLd3PAxB9gGVpOGIj7++dxP HwS3D4HBpmVEypbh7z1GKn03/lmjFGPFRj5U1DTGZM1lDP4szKeMJkLiHR59EFPZEiug Tzgfl5QfBqr/936EBhajsGoBWIJkFKmo3cTDcKMFKjpM6mPQZZlD7wvTQrFD0U0jHLI0 lyj8TqGBghmq5CjleenqJgsHIO7pIbXjgbgF88LcnNOcPIj5IxHtwBgvxQP0CBeu3FNy D8biLNpmjUwYJ85GXI84Atz+TxzUxIfFMHstOWhBevRYoaF8r05x1DhRN0DRngM5QtHx 6fWg== 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=oPTjuwCthUmMjgvx3f4uFfhVGWQpGsk/v4Ea0sfsyl0=; b=KMMRw56Ji1WildJY/FVu1agLOqGRMp9LNibO6YbyRGdtyqV1aswGqtyRNyBSrbKZ8h xy2znbbRR1yn7FQMHWT6garh2O3DR6jSA7nWiA0RjrWJEKOvEPsfYTKmlEagUCzHojIS fw/dVl5zpHKWxx+xZQ2QxFKWIe/BN5LIZSed2ReezAGzVMHZVatMoQCCHxzD8+l+YAQV Qyzxy5L6Xtiityg8sQ2f9anfZTXJc3VnSxT22F6LZGXMSujornM5BF0mD2QI9Ni9DTQH CY1qMGpx4vlEVmGODg6TiSgRx7LiRSvC9OM653aM1oNpzpdGaLLEKSv2dQZRHAIdGNiL 6PtQ== X-Gm-Message-State: AOAM530vEHbdaP9UiB6nFpoOcFBm9ZNfSHF1pc2X7pt6bpCV6JJ3w3SO aNdJ4eXgDGG/4tb3Jf9rWCh5FxFalmBPbw== X-Google-Smtp-Source: ABdhPJyaq/aiNW3XYF9jYLOs4N4aihEAEXilSmW5U5Zqa+46msSb8mpneLfXg8ij+FdWScxpvDBLaw== X-Received: by 2002:a17:902:7202:: with SMTP id ba2mr6317259plb.4.1598337617019; Mon, 24 Aug 2020 23:40:17 -0700 (PDT) Received: from xiaomi.mioffice.cn ([43.224.245.179]) by smtp.gmail.com with ESMTPSA id z2sm14197283pfq.46.2020.08.24.23.40.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2020 23:40:16 -0700 (PDT) From: Qiwu Huang To: sre@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, Qiwu Huang Subject: [PATCH v9 4/4] power: supply: core: property to control reverse charge Date: Tue, 25 Aug 2020 14:37:59 +0800 Message-Id: <34d9921bc92f99c9ee680b4b090173c9c08c6e09.1598337073.git.huangqiwu@xiaomi.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: 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 Interface to control wireless reverse charge. Signed-off-by: Qiwu Huang --- Documentation/ABI/testing/sysfs-class-power | 14 ++++++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 1 + 3 files changed, 16 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 4459b720feb2..8840fdf483a7 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -779,3 +779,17 @@ Description: Access: Read-Only Valid values: 0 - 100 + +What: /sys/class/power_supply//reverse_chg_mode +Date: Jul 2020 +Contact: Fei Jiang +Description: + Some devices support wireless reverse charge function which + charge other devices.The property provider interface to + enable/disable wireless reverse charge.If enabled, start TX + mode and detect RX. Disabled when timeout or manual setting. + + Access: Read, Write + Valid values: + - 1: enabled + - 0: disabled diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index e420a453095e..81916b6b6ccf 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -209,6 +209,7 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(QUICK_CHARGE_TYPE), POWER_SUPPLY_ATTR(TX_ADAPTER), POWER_SUPPLY_ATTR(SIGNAL_STRENGTH), + POWER_SUPPLY_ATTR(REVERSE_CHG_MODE), }; static struct attribute * diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 747338118fa1..988d3f05ea1c 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -170,6 +170,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE, POWER_SUPPLY_PROP_TX_ADAPTER, POWER_SUPPLY_PROP_SIGNAL_STRENGTH, + POWER_SUPPLY_PROP_REVERSE_CHG_MODE, }; enum power_supply_type {