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    Subject[rfc/patch 15/15] power: bq27200: add energy average
    Date
    report energy average to userland.

    Signed-off-by: Felipe Balbi <me@felipebalbi.com>
    ---
    drivers/power/bq27200_battery.c | 17 +++++++++++++++++
    1 files changed, 17 insertions(+), 0 deletions(-)

    diff --git a/drivers/power/bq27200_battery.c b/drivers/power/bq27200_battery.c
    index 26ef2be..2fbe7a4 100644
    --- a/drivers/power/bq27200_battery.c
    +++ b/drivers/power/bq27200_battery.c
    @@ -77,6 +77,7 @@ static enum power_supply_property bq27200_props[] = {
    POWER_SUPPLY_PROP_POWER_AVG,
    POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
    POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
    + POWER_SUPPLY_PROP_ENERGY_AVG,
    };

    /*
    @@ -183,6 +184,19 @@ static int bq27200_power(struct bq27200 *bq)
    return (ret * BQ27200_POWER_CONSTANT) / BQ27200_SENSING_RESISTOR;
    }

    +static int bq27200_energy(struct bq27200 *bq)
    +{
    + int ret;
    +
    + ret = bq27200_readw(bq, BQ27200_REG_SAE);
    + if (ret < 0) {
    + dev_err(&bq->client->dev, "error reading average energy\n");
    + return ret;
    + }
    +
    + return (ret * BQ27200_POWER_CONSTANT) / BQ27200_SENSING_RESISTOR;
    +}
    +
    static int bq27200_time_to_empty(struct bq27200 *bq)
    {
    int ret;
    @@ -242,6 +256,9 @@ static int bq27200_get_property(struct power_supply *psy,
    case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
    val->intval = bq27200_time_to_full(bq);
    break;
    + case POWER_SUPPLY_PROP_ENERGY_AVG:
    + val->intval = bq27200_energy(bq);
    + break;
    default:
    return -EINVAL;
    }
    --
    1.6.1.3


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