power: supply: sbs-battery: add POWER_SUPPLY_PROP_CURRENT_AVG support

Expose averaged current information, which is part of the SBS
standard and should be supported by all batteries.

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 20:56:05 +02:00 committed by Sebastian Reichel
parent 79bcd5a4a6
commit 8ce6ee43bd

View File

@ -25,7 +25,8 @@ enum {
REG_MANUFACTURER_DATA,
REG_TEMPERATURE,
REG_VOLTAGE,
REG_CURRENT,
REG_CURRENT_NOW,
REG_CURRENT_AVG,
REG_MAX_ERR,
REG_CAPACITY,
REG_TIME_TO_EMPTY,
@ -92,8 +93,10 @@ static const struct chip_data {
SBS_DATA(POWER_SUPPLY_PROP_TEMP, 0x08, 0, 65535),
[REG_VOLTAGE] =
SBS_DATA(POWER_SUPPLY_PROP_VOLTAGE_NOW, 0x09, 0, 20000),
[REG_CURRENT] =
[REG_CURRENT_NOW] =
SBS_DATA(POWER_SUPPLY_PROP_CURRENT_NOW, 0x0A, -32768, 32767),
[REG_CURRENT_AVG] =
SBS_DATA(POWER_SUPPLY_PROP_CURRENT_AVG, 0x0B, -32768, 32767),
[REG_MAX_ERR] =
SBS_DATA(POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN, 0x0c, 0, 100),
[REG_CAPACITY] =
@ -142,6 +145,7 @@ static enum power_supply_property sbs_properties[] = {
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN,
POWER_SUPPLY_PROP_TEMP,
@ -324,7 +328,7 @@ static int sbs_status_correct(struct i2c_client *client, int *intval)
{
int ret;
ret = sbs_read_word_data(client, sbs_data[REG_CURRENT].addr);
ret = sbs_read_word_data(client, sbs_data[REG_CURRENT_NOW].addr);
if (ret < 0)
return ret;
@ -521,6 +525,7 @@ static void sbs_unit_adjustment(struct i2c_client *client,
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_AVG:
case POWER_SUPPLY_PROP_CHARGE_NOW:
case POWER_SUPPLY_PROP_CHARGE_FULL:
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
@ -699,6 +704,7 @@ static int sbs_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CYCLE_COUNT:
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_AVG:
case POWER_SUPPLY_PROP_TEMP:
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG: