diff options
| author | Ladislav Michl <ladis@linux-mips.org> | 2018-02-22 18:21:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-30 07:52:38 +0200 |
| commit | 13b520688d2c84e6691203a40f3fcef212845494 (patch) | |
| tree | 867da42bb493193fdaa98abb9bdf13afb4664d08 /drivers/power | |
| parent | 72662ff1cf8500e2b44fd1dba78aa79593012c3e (diff) | |
power: supply: ltc2941-battery-gauge: Fix temperature units
[ Upstream commit dde5953f05a89eb63a0d666ffe51d447b2ac3e05 ]
Temperature is measured in tenths of degree Celsius.
Fixes: 085bc24d1553 ("Add LTC2941/LTC2943 Battery Gauge Driver")
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/ltc2941-battery-gauge.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c index 08e4fd9ee607..9621d6dd88c6 100644 --- a/drivers/power/supply/ltc2941-battery-gauge.c +++ b/drivers/power/supply/ltc2941-battery-gauge.c @@ -316,15 +316,15 @@ static int ltc294x_get_temperature(const struct ltc294x_info *info, int *val) if (info->id == LTC2942_ID) { reg = LTC2942_REG_TEMPERATURE_MSB; - value = 60000; /* Full-scale is 600 Kelvin */ + value = 6000; /* Full-scale is 600 Kelvin */ } else { reg = LTC2943_REG_TEMPERATURE_MSB; - value = 51000; /* Full-scale is 510 Kelvin */ + value = 5100; /* Full-scale is 510 Kelvin */ } ret = ltc294x_read_regs(info->client, reg, &datar[0], 2); value *= (datar[0] << 8) | datar[1]; - /* Convert to centidegrees */ - *val = value / 0xFFFF - 27215; + /* Convert to tenths of degree Celsius */ + *val = value / 0xFFFF - 2722; return ret; } |