From: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
To: Andrey Smirnov <andrew.smirnov@gmail.com>,
Guenter Roeck <linux@roeck-us.net>,
Sebastian Reichel <sebastian.reichel@collabora.com>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: [PATCH 7/7] power: supply: core: document measurement points
Date: Thu, 02 Apr 2020 16:57:04 +0200 [thread overview]
Message-ID: <77267299aa987aa31abe26da0a353418a49d9619.1585837575.git.mirq-linux@rere.qmqm.pl> (raw)
In-Reply-To: <cover.1585837575.git.mirq-linux@rere.qmqm.pl>
Document used prefixes for input/output/storage voltages and currents.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
---
Documentation/power/power_supply_class.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/power/power_supply_class.rst b/Documentation/power/power_supply_class.rst
index 7b8c42f8b1de..c41b25aaa755 100644
--- a/Documentation/power/power_supply_class.rst
+++ b/Documentation/power/power_supply_class.rst
@@ -28,6 +28,12 @@ indication (including whether to use it at all) are fully controllable by
user and/or specific machine defaults, per design principles of LED
framework).
+There are three defined points of measurement for the benefit of mobile and
+UPS-like power supplies: INPUT (external power source), OUTPUT (power output
+from the module), and unmarked (power flowing to/from a storage element,
+eg. battery). Battery is viewed as a power source, so current flowing to
+the battery (charging it) is shown negative.
+
Attributes/properties
~~~~~~~~~~~~~~~~~~~~~
--
2.20.1
prev parent reply other threads:[~2020-04-02 14:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-02 14:57 [PATCH 0/7] power: supply: core: extensions and fixes Michał Mirosław
2020-04-02 14:57 ` [PATCH 1/7] power: supply: core: reduce power_supply_show_usb_type() parameters Michał Mirosław
2020-04-02 14:57 ` [PATCH 2/7] power: supply: core: allow to constify property lists Michał Mirosław
2020-04-03 19:16 ` kbuild test robot
2020-04-03 19:52 ` kbuild test robot
2020-04-02 14:57 ` [PATCH 3/7] power: supply: core: fix HWMON temperature labels Michał Mirosław
2020-04-02 14:52 ` Guenter Roeck
2020-04-02 15:00 ` Michał Mirosław
2020-04-02 18:29 ` Guenter Roeck
2020-04-03 15:53 ` Michał Mirosław
2020-04-02 14:57 ` [PATCH 4/7] power: supply: core: hide unused HWMON labels Michał Mirosław
2020-04-02 14:57 ` [PATCH 5/7] power: supply: core: add input voltage/current measurements Michał Mirosław
2020-04-02 14:57 ` [PATCH 6/7] power: supply: core: add output voltage measurements Michał Mirosław
2020-04-02 14:57 ` Michał Mirosław [this message]
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