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| author |   Hans de Goede <hdegoede@redhat.com> | 2017-04-14 20:32:55 +0200 |
|---|---|---|
| committer |   Sebastian Reichel <sre@kernel.org> | 2017-05-01 12:37:45 +0200 |
| commit | d7d15fc67791c0e255f36345d02441c1716c2a1f (patch) | |
| tree | 8f45d2f7dfc748186ff588065a41667a918b132c /drivers/power | |
| parent | power: supply: max17042_battery: Add support for the VOLT_MIN property (diff) | |
| download | linux-dev-d7d15fc67791c0e255f36345d02441c1716c2a1f.tar.xz linux-dev-d7d15fc67791c0e255f36345d02441c1716c2a1f.zip | |
power: supply: max17042_battery: mAh readings depend on r_sns value
The PROP_CHARGE_FULL code was hardcoded for the default sense
resistor of 0.010 Ohm, make it use r_sns which contains the
actual sense resistor value in micro-Ohms instead.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/max17042_battery.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 0e94349b3855..37e987f55833 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -220,6 +220,7 @@ static int max17042_get_property(struct power_supply *psy, struct regmap *map = chip->regmap; int ret; u32 data; + u64 data64; if (!chip->init_complete) return -EAGAIN; @@ -309,7 +310,9 @@ static int max17042_get_property(struct power_supply *psy, if (ret < 0) return ret; - val->intval = data * 1000 / 2; + data64 = data * 5000000ll; + do_div(data64, chip->pdata->r_sns); + val->intval = data64; break; case POWER_SUPPLY_PROP_CHARGE_COUNTER: ret = regmap_read(map, MAX17042_QH, &data); |