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authorNick Crews <ncrews@chromium.org>2019-04-18 10:43:13 -0600
committerSebastian Reichel <sre@kernel.org>2019-05-02 01:11:32 +0200
commit813cab8f3994250e136819ae48fbd1c95d980466 (patch)
tree96e4922d1df5ceea63e9fbc914929595c58350a8 /drivers/power
parentba6cc85084178e5bce50f6a00411e457c21c47df (diff)
downloadlinux-813cab8f3994250e136819ae48fbd1c95d980466.tar.bz2
power: supply: core: Add CHARGE_CONTROL_{START_THRESHOLD,END_THRESHOLD} properties
Add POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD and POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD properties, to expand the existing CHARGE_CONTROL_* properties. 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. When the charge_type is "Custom", the charge controller uses the POWER_SUPPLY_PROP_CHARGE_CONTROL_* properties as configuration for some other algorithm. For example, in the use case that I am supporting, this means the battery begins charging when the percentage level drops below POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD and charging ceases when the percentage level goes above POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD. v5 changes: - Add the other missing CHARGE_CONTROL_* properties documentation in a separate commit - 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 'drivers/power')
-rw-r--r--drivers/power/supply/power_supply_sysfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 64dff5cfecc3..6104a3f03d46 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -274,6 +274,8 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(constant_charge_voltage_max),
POWER_SUPPLY_ATTR(charge_control_limit),
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_limit),
POWER_SUPPLY_ATTR(energy_full_design),
POWER_SUPPLY_ATTR(energy_empty_design),