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 v2 8/8] power: supply: core: document measurement points
Date: Fri, 03 Apr 2020 18:23:34 +0200 [thread overview]
Message-ID: <044cccd482b77c7ebbbb8ec960eaf73a079df29e.1585929580.git.mirq-linux@rere.qmqm.pl> (raw)
In-Reply-To: <cover.1585929579.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:[~2020-04-03 16:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 16:23 [PATCH v2 0/8] power: supply: core: extensions and fixes Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 1/8] power: supply: core: reduce power_supply_show_usb_type() parameters Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 2/8] power: supply: core: allow to constify property lists Michał Mirosław
2020-04-10 20:41 ` kbuild test robot
2020-04-10 22:14 ` kbuild test robot
2020-04-03 16:23 ` [PATCH v2 3/8] power: supply: core: fix HWMON temperature labels Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 5/8] power: supply: core: hide unused HWMON labels Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 4/8] power: supply: core: tabularize HWMON temperature labels Michał Mirosław
2020-04-03 16:47 ` Guenter Roeck
2020-04-03 16:56 ` Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 7/8] power: supply: core: add output voltage measurements Michał Mirosław
2020-04-03 16:23 ` [PATCH v2 6/8] power: supply: core: add input voltage/current measurements Michał Mirosław
2020-04-03 16:23 ` Michał Mirosław [this message]
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