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power: supply: sbs-battery: add POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN support

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Add support for reporting the MaxError register from
battery fuel gauges following the smart battery standard.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Sebastian Reichel 2020-05-13 20:56:02 +02:00 committed by Sebastian Reichel
parent 0ff969158a
commit d6f5632108
1 changed files with 5 additions and 0 deletions
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5
drivers/power/supply/sbs-battery.c
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@ -26,6 +26,7 @@ enum {
REG_TEMPERATURE,
REG_VOLTAGE,
REG_CURRENT,
REG_MAX_ERR,
REG_CAPACITY,
REG_TIME_TO_EMPTY,
REG_TIME_TO_FULL,
@ -85,6 +86,8 @@ static const struct chip_data {
SBS_DATA(POWER_SUPPLY_PROP_VOLTAGE_NOW, 0x09, 0, 20000),
[REG_CURRENT] =
SBS_DATA(POWER_SUPPLY_PROP_CURRENT_NOW, 0x0A, -32768, 32767),
[REG_MAX_ERR] =
SBS_DATA(POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN, 0x0c, 0, 100),
[REG_CAPACITY] =
SBS_DATA(POWER_SUPPLY_PROP_CAPACITY, 0x0D, 0, 100),
[REG_REMAINING_CAPACITY] =
@ -132,6 +135,7 @@ static enum power_supply_property sbs_properties[] = {
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
@ -676,6 +680,7 @@ static int sbs_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
case POWER_SUPPLY_PROP_CAPACITY:
case POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN:
ret = sbs_get_property_index(client, psp);
if (ret < 0)
break;