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authorNick Crews <ncrews@chromium.org>2019-04-18 18:43:12 +0200
committerSebastian Reichel <sre@kernel.org>2019-05-02 01:11:25 +0200
commitba6cc85084178e5bce50f6a00411e457c21c47df (patch)
tree1bffdbc4457385c1b48b5e588d2a8e4ce5b8b33c /Documentation/ABI
parentpower: supply: axp288_fuel_gauge: Add ACEPC T8 and T11 mini PCs to the blacklist (diff)
downloadlinux-ba6cc85084178e5bce50f6a00411e457c21c47df.tar.xz
linux-ba6cc85084178e5bce50f6a00411e457c21c47df.zip
power: supply: core: Add Standard, Adaptive, and Custom charge types
Add "Standard", "Adaptive", and "Custom" modes to the charge_type property, to expand the existing "Trickle" and "Fast" modes. I am adding them in order to support a new Chrome OS device, but these properties should be general enough that they can be used on other devices. The meaning of "Standard" is obvious, but "Adaptive" and "Custom" are more tricky: "Adaptive" means that the charge controller uses some custom algorithm to change the charge type automatically, with no configuration needed. "Custom" means that the charge controller uses the POWER_SUPPLY_PROP_CHARGE_CONTROL_* properties as configuration for some other algorithm. v5 changes: - Split up adding the charge types and adding the POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD and POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD properties into two different commits. v4 changes: - Add documentation for the new properties, and add documentation for the the previously missing charge_control_limit and charge_control_limit_max properties. Signed-off-by: Nick Crews <ncrews@chromium.org> Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-class-power12
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index 5e23e22dce1b..544c4e0ef8b6 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -119,10 +119,16 @@ Date: July 2009
Contact: linux-pm@vger.kernel.org
Description:
Represents the type of charging currently being applied to the
- battery.
+ battery. "Trickle", "Fast", and "Standard" all mean different
+ charging speeds. "Adaptive" means that the charger uses some
+ algorithm to adjust the charge rate dynamically, without
+ any user configuration required. "Custom" means that the charger
+ uses the charge_control_* properties as configuration for some
+ different algorithm.
- Access: Read
- Valid values: "Unknown", "N/A", "Trickle", "Fast"
+ Access: Read, Write
+ Valid values: "Unknown", "N/A", "Trickle", "Fast", "Standard",
+ "Adaptive", "Custom"
What: /sys/class/power_supply/<supply_name>/charge_term_current
Date: July 2014