From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932713AbdEKNmt (ORCPT ); Thu, 11 May 2017 09:42:49 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:34123 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755741AbdEKNmm (ORCPT ); Thu, 11 May 2017 09:42:42 -0400 From: Quentin Schulz To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org Cc: Quentin Schulz , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, liam@networkimprov.net, thomas.petazzoni@free-electrons.com, linux-sunxi@googlegroups.com Subject: [PATCH 3/4] power: supply: power_supply_core: add constant-charge-current optional property Date: Thu, 11 May 2017 15:42:19 +0200 Message-Id: <20170511134221.5569-4-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170511134221.5569-1-quentin.schulz@free-electrons.com> References: <20170511134221.5569-1-quentin.schulz@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org 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 --- 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 5019bdee0f0b..23887739c95c 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -508,6 +508,7 @@ 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_max_ua = -EINVAL; if (!psy->of_node) { dev_warn(&psy->dev, "%s currently only supports devicetree\n", @@ -537,6 +538,8 @@ 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-max-microamp", + &info->constant_charge_current_max_ua); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e84f1d31d987..6f9c28187caf 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_max_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier; -- 2.11.0