From patchwork Tue Feb 14 09:40:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 9571603 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8C1BA6045F for ; Tue, 14 Feb 2017 09:56:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E2C827D8D for ; Tue, 14 Feb 2017 09:56:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 715F228178; Tue, 14 Feb 2017 09:56:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EE80227D8D for ; Tue, 14 Feb 2017 09:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=JzLtdRa1I0PLS7WQlOXc+ZP60mMiSCS0SrYjYS1IgxU=; b=fCWVU2TT919CGGhjiUrDznVWV0 2FkbCD8CvwPE54/ci6W54UKRNB4cUMJXNs5N0gsWX5URQOeKcnmNKG3GmMMcWUvD23gAcXJMisHzy lbY3yXNkl6BWJyMmyk4rfp7/KB/jt7oA5ut/pb5D6rHjgfF7mnly+hJPHI9oE1m54ZD3upvmwaVdl Ha1ru3AkxRDPQcDCSHhUavjTKtHQM2+4vz+uhCnXcaZ4cz8ToaG13uwgpt+NBjo8iHJVNPYwfEfPb 3Ch/qcA3bxJiIYk1CRqBP9+Qfcg1g5ajxTFFdNMS4pZVA/FW7PnodJFm0D/kfP4WLcz2LIbdOlTem msjGLwgQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cdZqb-0007TI-1n; Tue, 14 Feb 2017 09:56:33 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cdZcd-0004SS-Le for linux-arm-kernel@lists.infradead.org; Tue, 14 Feb 2017 09:42:09 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id DD2FD20B8C; Tue, 14 Feb 2017 10:41:45 +0100 (CET) Received: from qschulz.home (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 75ADA20790; Tue, 14 Feb 2017 10:41:45 +0100 (CET) From: Quentin Schulz To: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org, sre@kernel.org, linux@armlinux.org.uk, maxime.ripard@free-electrons.com, lee.jones@linaro.org Subject: [PATCH v3 02/18] power: supply: power_supply_core: add constant-current-charge optional property Date: Tue, 14 Feb 2017 10:40:56 +0100 Message-Id: <20170214094112.27426-3-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170214094112.27426-1-quentin.schulz@free-electrons.com> References: <20170214094112.27426-1-quentin.schulz@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170214_014207_928462_78182365 X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thomas.petazzoni@free-electrons.com, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Quentin Schulz , bonbons@linux-vserver.org, icenowy@aosc.xyz, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds the constant-current-charge property to the list of optional properties for the battery. The constant charge current is critical for batteries as they can't handle all charge currents. Signed-off-by: Quentin Schulz --- added in v3 drivers/power/supply/power_supply_core.c | 3 +++ include/linux/power_supply.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ced8fef..c844def 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -498,6 +498,7 @@ int power_supply_get_battery_info(struct power_supply *psy, info->energy_full_design_uwh = -EINVAL; info->charge_full_design_uah = -EINVAL; info->voltage_min_design_uv = -EINVAL; + info->constant_charge_current_ua = -EINVAL; if (!psy->of_node) { dev_warn(&psy->dev, "%s currently only supports devicetree\n", @@ -522,6 +523,8 @@ int power_supply_get_battery_info(struct power_supply *psy, &info->charge_full_design_uah); of_property_read_u32(battery_np, "voltage-min-design-microvolt", &info->voltage_min_design_uv); + of_property_read_u32(battery_np, "constant-charge-current-microamp", + &info->constant_charge_current_ua); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e84f1d3..f723a8e 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -301,6 +301,7 @@ struct power_supply_battery_info { int energy_full_design_uwh; /* microWatt-hours */ int charge_full_design_uah; /* microAmp-hours */ int voltage_min_design_uv; /* microVolts */ + int constant_charge_current_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier;