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    Subject[PATCH 4.16 234/272] power: supply: ltc2941-battery-gauge: Fix temperature units
    Date
    4.16-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Ladislav Michl <ladis@linux-mips.org>

    [ 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>
    ---
    drivers/power/supply/ltc2941-battery-gauge.c | 8 ++++----
    1 file changed, 4 insertions(+), 4 deletions(-)

    --- a/drivers/power/supply/ltc2941-battery-gauge.c
    +++ b/drivers/power/supply/ltc2941-battery-gauge.c
    @@ -317,15 +317,15 @@ static int ltc294x_get_temperature(const

    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;
    }


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