From patchwork Fri Apr 3 16:23:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 212396 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B82C1C43331 for ; Fri, 3 Apr 2020 16:23:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8AE65207FF for ; Fri, 3 Apr 2020 16:23:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="ha+I+lDn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404484AbgDCQX5 (ORCPT ); Fri, 3 Apr 2020 12:23:57 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:25765 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728293AbgDCQXd (ORCPT ); Fri, 3 Apr 2020 12:23:33 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48v4xH4RJBzpX; Fri, 3 Apr 2020 18:23:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1585931011; bh=K+vbcp79f0yG60D3y6nK9BE+zeYjqGJsmkCt6t37wr0=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=ha+I+lDn0IayMpv5TffKHTJ/ZweBKjNKFKzbvhL6uuaDiN0PLLEhPQ5PqoAe6SKkM GLT3qLFt5qr2M9gSzrzoYJxue0sCC70JZohrXbyYMq3RorKPdRgiqEGihRCYEuAKXG /fM3NaSPaQ7BmrIFwOY0jAUA02s/54vDjXaaDg19DklUr/K5tIdLbCCWF9p57qCR23 nf2o3kCtspSV0mcY1zSL7SRU4xcckg0usR8z3INYfuwVy+oKb13dkokJIdfjOOenjd EeVZg8mGLz2lJJd1zt0vYwRLb4yRa9owxMsFVdpH1th8NnbwG+tmeCdSDTXABnCQwT SVo6bVokhDw3Q== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Fri, 03 Apr 2020 18:23:31 +0200 Message-Id: In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH v2 2/8] power: supply: core: allow to constify property lists MIME-Version: 1.0 To: Andrey Smirnov , Guenter Roeck , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Since tables pointed to by power_supply_desc->properties and ->usb_types are not expected to change after registration, mark the pointers accordingly Signed-off-by: Michał Mirosław --- include/linux/power_supply.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index dcd5a71e6c67..6a34df65d4d1 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -223,9 +223,9 @@ struct power_supply_config { struct power_supply_desc { const char *name; enum power_supply_type type; - enum power_supply_usb_type *usb_types; + const enum power_supply_usb_type *usb_types; size_t num_usb_types; - enum power_supply_property *properties; + const enum power_supply_property *properties; size_t num_properties; /* From patchwork Fri Apr 3 16:23:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 212397 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21CA8C2BA19 for ; Fri, 3 Apr 2020 16:23:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0DCE207FF for ; Fri, 3 Apr 2020 16:23:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="Cod8sd6U" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404383AbgDCQXx (ORCPT ); Fri, 3 Apr 2020 12:23:53 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:20928 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404382AbgDCQXe (ORCPT ); Fri, 3 Apr 2020 12:23:34 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48v4xJ3NsszwF; Fri, 3 Apr 2020 18:23:32 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1585931012; bh=ytAv1RGisXEVnnR7xx1RoYPw9sNMYqF3J9qpj0xDcU4=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=Cod8sd6UiT3mgAim0MFcpfiA4927isjQZJuRXamZ6mEPh8E9OzhhWENCXp3bgEm19 XougCDk3g4z2sCP1qsCVXiX73x3aG7bNRnl9sZpPpUXXBK1zs8AJFnLTu9sitolo2T 4xycthdS/Utm2n74TjYJz2/G6p0qxKTulCmeUXmQ0R4altfOX6fje/NnkzkcqamNTl HAWv+LoZsBSazHjmmWAOLtSHQsFNSqewxTEPfu7XCEbGaLga74mVgyS8sRLrUq7pea 56138xNn+zasecF6lgEFXI33T8+8AnZjM0+OqVdHBvi+7gO5dXAf+xdhJJgpy/SHmt eBRbqFFagwwLw== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Fri, 03 Apr 2020 18:23:32 +0200 Message-Id: In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH v2 4/8] power: supply: core: tabularize HWMON temperature labels MIME-Version: 1.0 To: Andrey Smirnov , Guenter Roeck , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Rework power_supply_hwmon_read_string() to check it's parameters. This allows to extend it later with labels for other types of measurements. Signed-off-by: Michał Mirosław --- v2: split from fix temperature labels --- drivers/power/supply/power_supply_hwmon.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/power_supply_hwmon.c b/drivers/power/supply/power_supply_hwmon.c index 67b6ee60085e..48c73994732c 100644 --- a/drivers/power/supply/power_supply_hwmon.c +++ b/drivers/power/supply/power_supply_hwmon.c @@ -43,6 +43,11 @@ static int power_supply_hwmon_curr_to_property(u32 attr) } } +static const char *const ps_temp_label[] = { + "temp", + "ambient temp", +}; + static int power_supply_hwmon_temp_to_property(u32 attr, int channel) { if (channel) { @@ -144,8 +149,20 @@ static int power_supply_hwmon_read_string(struct device *dev, u32 attr, int channel, const char **str) { - *str = channel ? "temp ambient" : "temp"; - return 0; + if (channel < 0) + return -EINVAL; + + switch (type) { + case hwmon_temp: + if (channel >= ARRAY_SIZE(ps_temp_label)) + return -EINVAL; + *str = ps_temp_label[channel]; + return 0; + default: + break; + } + + return -EINVAL; } static int From patchwork Fri Apr 3 16:23:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 212398 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D631C2BA16 for ; Fri, 3 Apr 2020 16:23:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41D092073B for ; Fri, 3 Apr 2020 16:23:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="X64W5q1I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404446AbgDCQXi (ORCPT ); Fri, 3 Apr 2020 12:23:38 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:16515 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404415AbgDCQXg (ORCPT ); Fri, 3 Apr 2020 12:23:36 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48v4xK49rXz1th; Fri, 3 Apr 2020 18:23:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1585931013; bh=7hhMltiZC2dUoAmdtdxXPUenD0Lj9JBr9ArFwpSF3PI=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=X64W5q1I8X1FxJ1vD9Qat/XvOBCg69A0L/xcVhEL2IfDOwBrM37KSrUe/NVR4qipZ 75sCdWiZsZj3ZeK5/oAJ8yOcH+0hd6YKvamkVirARhoOdbQUCZ8aNqNCszfGL4AbOu iiTlGqEfo2kwS9yXJoYxrZka3T2q8uPwoctJIyWUHk4MgwiesoQ4v1LhVHS3qBF8Rq o9h0I5RSBM+WOjYj3e6xadf4vhpfjZbEX/6IZHoe76xYDrxvtUTVVIK9dbIIIb+9q7 YbR1b7rKnl3MIE5D88KEEDIDALE0ZtOpN8rG2XUVeWjb0lkCR+2li5jpZovjbD5sYw x/W8ZrWpKJ/iw== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Fri, 03 Apr 2020 18:23:33 +0200 Message-Id: <2ce87c2511ddc5afb907a110fa0bc54af82b25d3.1585929579.git.mirq-linux@rere.qmqm.pl> In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH v2 6/8] power: supply: core: add input voltage/current measurements MIME-Version: 1.0 To: Andrey Smirnov , Guenter Roeck , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Introduce input voltage and current limits and measurements. This makes room for e.g. VBUS measurements in USB chargers. Signed-off-by: Michał Mirosław --- v2: add parameter checking in power_supply_hwmon_read_string() --- drivers/power/supply/power_supply_hwmon.c | 109 +++++++++++++++++++++- drivers/power/supply/power_supply_sysfs.c | 2 + include/linux/power_supply.h | 2 + 3 files changed, 108 insertions(+), 5 deletions(-) diff --git a/drivers/power/supply/power_supply_hwmon.c b/drivers/power/supply/power_supply_hwmon.c index a4f576f39b9c..ef6196bf9bec 100644 --- a/drivers/power/supply/power_supply_hwmon.c +++ b/drivers/power/supply/power_supply_hwmon.c @@ -13,7 +13,7 @@ struct power_supply_hwmon { unsigned long *props; }; -static int power_supply_hwmon_in_to_property(u32 attr) +static int power_supply_hwmon_in0_to_property(u32 attr) { switch (attr) { case hwmon_in_average: @@ -29,7 +29,31 @@ static int power_supply_hwmon_in_to_property(u32 attr) } } -static int power_supply_hwmon_curr_to_property(u32 attr) +static int power_supply_hwmon_in1_to_property(u32 attr) +{ + switch (attr) { + case hwmon_in_max: + return POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT; + case hwmon_in_input: + return POWER_SUPPLY_PROP_INPUT_VOLTAGE_NOW; + default: + return -EINVAL; + } +} + +static int power_supply_hwmon_in_to_property(u32 attr, int channel) +{ + switch (channel) { + case 0: + return power_supply_hwmon_in0_to_property(attr); + case 1: + return power_supply_hwmon_in1_to_property(attr); + default: + return -EINVAL; + } +} + +static int power_supply_hwmon_curr0_to_property(u32 attr) { switch (attr) { case hwmon_curr_average: @@ -43,6 +67,35 @@ static int power_supply_hwmon_curr_to_property(u32 attr) } } +static int power_supply_hwmon_curr1_to_property(u32 attr) +{ + switch (attr) { + case hwmon_curr_max: + return POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT; + case hwmon_curr_input: + return POWER_SUPPLY_PROP_INPUT_CURRENT_NOW; + default: + return -EINVAL; + } +} + +static int power_supply_hwmon_curr_to_property(u32 attr, int channel) +{ + switch (channel) { + case 0: + return power_supply_hwmon_curr0_to_property(attr); + case 1: + return power_supply_hwmon_curr1_to_property(attr); + default: + return -EINVAL; + } +} + +static const char *const ps_input_label[] = { + "battery", + "external source", +}; + static const char *const ps_temp_label[] = { "temp", "ambient temp", @@ -87,9 +140,9 @@ power_supply_hwmon_to_property(enum hwmon_sensor_types type, { switch (type) { case hwmon_in: - return power_supply_hwmon_in_to_property(attr); + return power_supply_hwmon_in_to_property(attr, channel); case hwmon_curr: - return power_supply_hwmon_curr_to_property(attr); + return power_supply_hwmon_curr_to_property(attr, channel); case hwmon_temp: return power_supply_hwmon_temp_to_property(attr, channel); default: @@ -100,7 +153,9 @@ power_supply_hwmon_to_property(enum hwmon_sensor_types type, static bool power_supply_hwmon_is_a_label(enum hwmon_sensor_types type, u32 attr) { - return type == hwmon_temp && attr == hwmon_temp_label; + return (type == hwmon_temp && attr == hwmon_temp_label) || + (type == hwmon_in && attr == hwmon_in_label) || + (type == hwmon_curr && attr == hwmon_curr_label); } static bool power_supply_hwmon_has_property( @@ -116,6 +171,14 @@ static bool power_supply_hwmon_has_input( const struct power_supply_hwmon *psyhw, enum hwmon_sensor_types type, int channel) { + static const enum hwmon_in_attributes in_attrs[] = { + hwmon_in_input, hwmon_in_average, + hwmon_in_min, hwmon_in_max, + }; + static const enum hwmon_curr_attributes curr_attrs[] = { + hwmon_curr_input, hwmon_curr_average, + hwmon_curr_max, + }; static const enum hwmon_temp_attributes temp_attrs[] = { hwmon_temp_input, hwmon_temp_min, hwmon_temp_max, @@ -124,6 +187,20 @@ static bool power_supply_hwmon_has_input( size_t i; switch (type) { + case hwmon_in: + for (i = 0; i < ARRAY_SIZE(in_attrs); ++i) + if (power_supply_hwmon_has_property(psyhw, type, + in_attrs[i], channel)) + return true; + break; + + case hwmon_curr: + for (i = 0; i < ARRAY_SIZE(curr_attrs); ++i) + if (power_supply_hwmon_has_property(psyhw, type, + curr_attrs[i], channel)) + return true; + break; + case hwmon_temp: for (i = 0; i < ARRAY_SIZE(temp_attrs); ++i) if (power_supply_hwmon_has_property(psyhw, type, @@ -190,6 +267,13 @@ static int power_supply_hwmon_read_string(struct device *dev, return -EINVAL; switch (type) { + case hwmon_in: + case hwmon_curr: + if (channel >= ARRAY_SIZE(ps_input_label)) + return -EINVAL; + *str = ps_input_label[channel]; + return 0; + case hwmon_temp: if (channel >= ARRAY_SIZE(ps_temp_label)) return -EINVAL; @@ -309,15 +393,26 @@ static const struct hwmon_channel_info *power_supply_hwmon_info[] = { HWMON_T_MAX_ALARM), HWMON_CHANNEL_INFO(curr, + HWMON_C_LABEL | HWMON_C_AVERAGE | HWMON_C_MAX | + HWMON_C_INPUT, + + HWMON_C_LABEL | + HWMON_C_MAX | HWMON_C_INPUT), HWMON_CHANNEL_INFO(in, + HWMON_I_LABEL | HWMON_I_AVERAGE | HWMON_I_MIN | HWMON_I_MAX | + HWMON_I_INPUT, + + HWMON_I_LABEL | + HWMON_I_MAX | HWMON_I_INPUT), + NULL }; @@ -382,6 +477,10 @@ int power_supply_add_hwmon_sysfs(struct power_supply *psy) case POWER_SUPPLY_PROP_VOLTAGE_MIN: case POWER_SUPPLY_PROP_VOLTAGE_MAX: case POWER_SUPPLY_PROP_VOLTAGE_NOW: + case POWER_SUPPLY_PROP_INPUT_CURRENT_NOW: + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + case POWER_SUPPLY_PROP_INPUT_VOLTAGE_NOW: + case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT: set_bit(prop, psyhw->props); break; default: diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 51de3f47b25d..1d1fb69516a8 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -273,7 +273,9 @@ static struct device_attribute power_supply_attrs[] = { POWER_SUPPLY_ATTR(charge_control_limit_max), POWER_SUPPLY_ATTR(charge_control_start_threshold), POWER_SUPPLY_ATTR(charge_control_end_threshold), + POWER_SUPPLY_ATTR(input_current_now), POWER_SUPPLY_ATTR(input_current_limit), + POWER_SUPPLY_ATTR(input_voltage_now), POWER_SUPPLY_ATTR(input_voltage_limit), POWER_SUPPLY_ATTR(input_power_limit), POWER_SUPPLY_ATTR(energy_full_design), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 6a34df65d4d1..5313d1284aad 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -127,7 +127,9 @@ enum power_supply_property { POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */ POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */ + POWER_SUPPLY_PROP_INPUT_CURRENT_NOW, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_INPUT_VOLTAGE_NOW, POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, POWER_SUPPLY_PROP_INPUT_POWER_LIMIT, POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, From patchwork Fri Apr 3 16:23:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 212399 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4ADFCC2BA15 for ; Fri, 3 Apr 2020 16:23:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 230A72137B for ; Fri, 3 Apr 2020 16:23:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="pl3tw/d4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404284AbgDCQXh (ORCPT ); Fri, 3 Apr 2020 12:23:37 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:21872 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404429AbgDCQXg (ORCPT ); Fri, 3 Apr 2020 12:23:36 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48v4xL25Mmz1vW; Fri, 3 Apr 2020 18:23:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1585931014; bh=rE69WxRl/YoTapFXUhUiBoovGB+6IMHH91BhdmkO+Aw=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=pl3tw/d4sLESZhTVNWHd0PlytjzEsR/WPyXVKBhxOcwCx6LRDfszE/Pu5f/JhOZZ8 TU+5moybh1Ep1w5PuO7wDwxW8zQtDCGYHXnN8GJ+L3kgrKKUapEQ8eEk0pVAo+OCdO MtaVRzd+D/CQ+YfmGTDTl7KIpj9b2g+2agSDsx1ToaS7FcntPXZk2SUesjPbGe0G3g DGerkKBfFIfJtQSTpmdG+ZUDYuAtOSOuSIGv48MmlLLV/a+WKK1wg7FYlmYGc846au Hso+UTowTBdEMH2uKwiG3e/7Yk5jKRRAYNVLkY0a2sS0VJ613VEQQFOinC6lzWJWMA 6Dt7RXawcMWdw== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Fri, 03 Apr 2020 18:23:33 +0200 Message-Id: <232de632e2115f115b8b12736225223cf104b441.1585929580.git.mirq-linux@rere.qmqm.pl> In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH v2 7/8] power: supply: core: add output voltage measurements MIME-Version: 1.0 To: Andrey Smirnov , Guenter Roeck , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add support for supply output voltage to be measured and configured. This might be different from the voltage on the storage element (battery). Signed-off-by: Michał Mirosław --- drivers/power/supply/power_supply_hwmon.c | 25 +++++++++++++++++++++++ drivers/power/supply/power_supply_sysfs.c | 3 +++ include/linux/power_supply.h | 3 +++ 3 files changed, 31 insertions(+) diff --git a/drivers/power/supply/power_supply_hwmon.c b/drivers/power/supply/power_supply_hwmon.c index ef6196bf9bec..d70742d3e961 100644 --- a/drivers/power/supply/power_supply_hwmon.c +++ b/drivers/power/supply/power_supply_hwmon.c @@ -41,6 +41,20 @@ static int power_supply_hwmon_in1_to_property(u32 attr) } } +static int power_supply_hwmon_in2_to_property(u32 attr) +{ + switch (attr) { + case hwmon_in_min: + return POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MIN; + case hwmon_in_max: + return POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MAX; + case hwmon_in_input: + return POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_NOW; + default: + return -EINVAL; + } +} + static int power_supply_hwmon_in_to_property(u32 attr, int channel) { switch (channel) { @@ -48,6 +62,8 @@ static int power_supply_hwmon_in_to_property(u32 attr, int channel) return power_supply_hwmon_in0_to_property(attr); case 1: return power_supply_hwmon_in1_to_property(attr); + case 2: + return power_supply_hwmon_in2_to_property(attr); default: return -EINVAL; } @@ -94,6 +110,7 @@ static int power_supply_hwmon_curr_to_property(u32 attr, int channel) static const char *const ps_input_label[] = { "battery", "external source", + "load", }; static const char *const ps_temp_label[] = { @@ -411,6 +428,11 @@ static const struct hwmon_channel_info *power_supply_hwmon_info[] = { HWMON_I_LABEL | HWMON_I_MAX | + HWMON_I_INPUT, + + HWMON_I_LABEL | + HWMON_I_MIN | + HWMON_I_MAX | HWMON_I_INPUT), NULL @@ -481,6 +503,9 @@ int power_supply_add_hwmon_sysfs(struct power_supply *psy) case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: case POWER_SUPPLY_PROP_INPUT_VOLTAGE_NOW: case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT: + case POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MIN: + case POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MAX: + case POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_NOW: set_bit(prop, psyhw->props); break; default: diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 1d1fb69516a8..fb6f113b52bb 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -278,6 +278,9 @@ static struct device_attribute power_supply_attrs[] = { POWER_SUPPLY_ATTR(input_voltage_now), POWER_SUPPLY_ATTR(input_voltage_limit), POWER_SUPPLY_ATTR(input_power_limit), + POWER_SUPPLY_ATTR(output_voltage_now), + POWER_SUPPLY_ATTR(output_voltage_min), + POWER_SUPPLY_ATTR(output_voltage_max), POWER_SUPPLY_ATTR(energy_full_design), POWER_SUPPLY_ATTR(energy_empty_design), POWER_SUPPLY_ATTR(energy_full), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 5313d1284aad..f1ff8d230488 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -132,6 +132,9 @@ enum power_supply_property { POWER_SUPPLY_PROP_INPUT_VOLTAGE_NOW, POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, POWER_SUPPLY_PROP_INPUT_POWER_LIMIT, + POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_NOW, + POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MIN, + POWER_SUPPLY_PROP_OUTPUT_VOLTAGE_MAX, POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN, POWER_SUPPLY_PROP_ENERGY_FULL,