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authorArthur Demchenkov <spinal.by@gmail.com>2021-01-10 22:53:59 +0300
committerSebastian Reichel <sre@kernel.org>2021-01-15 01:42:42 +0300
commit4fb0357c6d57bc8c6fc517e66ece290965e73b11 (patch)
tree7201b491cac58071a1ef3da4ede43b49a23760ad /drivers/power
parentbb8b9a985083c69a4118c3d8c7d4c32427529992 (diff)
downloadlinux-4fb0357c6d57bc8c6fc517e66ece290965e73b11.tar.xz
power: supply: cpcap-battery: Add charge_full property
Add charge_full property and let user update it. This is needed for capacity reporting in the following patches. Cc: Arthur Demchenkov <spinal.by@gmail.com> Cc: Carl Philipp Klemm <philipp@uvos.xyz> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com> [tony@atomide.com: updated comments] Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/cpcap-battery.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c
index a9c0c5a03a6d..25b520e15380 100644
--- a/drivers/power/supply/cpcap-battery.c
+++ b/drivers/power/supply/cpcap-battery.c
@@ -133,6 +133,7 @@ struct cpcap_battery_ddata {
struct cpcap_battery_state_data state[CPCAP_BATTERY_STATE_NR];
u32 cc_lsb; /* μAms per LSB */
atomic_t active;
+ int charge_full;
int status;
u16 vendor;
unsigned int is_full:1;
@@ -486,6 +487,7 @@ static enum power_supply_property cpcap_battery_props[] = {
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_COUNTER,
POWER_SUPPLY_PROP_POWER_NOW,
@@ -594,6 +596,11 @@ static int cpcap_battery_get_property(struct power_supply *psy,
else
val->intval = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN;
break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ if (!ddata->charge_full)
+ return -ENODATA;
+ val->intval = ddata->charge_full;
+ break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
val->intval = ddata->config.info.charge_full_design;
break;
@@ -661,6 +668,15 @@ static int cpcap_battery_set_property(struct power_supply *psy,
ddata->config.bat.constant_charge_voltage_max_uv = val->intval;
return cpcap_battery_update_charger(ddata, val->intval);
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ if (val->intval < 0)
+ return -EINVAL;
+ if (val->intval > ddata->config.info.charge_full_design)
+ return -EINVAL;
+
+ ddata->charge_full = val->intval;
+
+ return 0;
default:
return -EINVAL;
}
@@ -673,6 +689,7 @@ static int cpcap_battery_property_is_writeable(struct power_supply *psy,
{
switch (psp) {
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
return 1;
default:
return 0;