From patchwork Wed Mar 15 10:55:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 95363 Delivered-To: patch@linaro.org Received: by 10.140.89.134 with SMTP id v6csp421636qgd; Wed, 15 Mar 2017 10:08:47 -0700 (PDT) X-Received: by 10.84.232.9 with SMTP id h9mr6033229plk.102.1489597727046; Wed, 15 Mar 2017 10:08:47 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y4si2609262pgo.240.2017.03.15.10.08.46; Wed, 15 Mar 2017 10:08:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753587AbdCOREn (ORCPT + 25 others); Wed, 15 Mar 2017 13:04:43 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:58673 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751866AbdCOK4c (ORCPT ); Wed, 15 Mar 2017 06:56:32 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 2311A207D5; Wed, 15 Mar 2017 11:56:31 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 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 A6669207ED; Wed, 15 Mar 2017 11:56:20 +0100 (CET) From: Quentin Schulz To: icenowy@aosc.xyz, bonbons@linux-vserver.org, sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org, linux@armlinux.org.uk, maxime.ripard@free-electrons.com, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, lee.jones@linaro.org Cc: Quentin Schulz , liam@networkimprov.net, thomas.petazzoni@free-electrons.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v4 02/18] power: supply: power_supply_core: add constant-charge-current optional property Date: Wed, 15 Mar 2017 11:55:21 +0100 Message-Id: <20170315105537.22349-3-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170315105537.22349-1-quentin.schulz@free-electrons.com> References: <20170315105537.22349-1-quentin.schulz@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds the constant-charge-current 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 --- v4: - switch from constant-charge-current-microamp to constant-charge-microamp, added in v3 drivers/power/supply/power_supply_core.c | 3 +++ include/linux/power_supply.h | 1 + 2 files changed, 4 insertions(+) -- 2.9.3 diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ced8fef..5be5615 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_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-microamp", + &info->constant_charge_ua); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e84f1d3..13bff00 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_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier;