From dde5953f05a89eb63a0d666ffe51d447b2ac3e05 Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Thu, 22 Feb 2018 18:21:36 +0100 Subject: power: supply: ltc2941-battery-gauge: Fix temperature units Temperature is measured in tenths of degree Celsius. Fixes: 085bc24d1553 ("Add LTC2941/LTC2943 Battery Gauge Driver") Signed-off-by: Ladislav Michl Signed-off-by: Sebastian Reichel --- drivers/power/supply/ltc2941-battery-gauge.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c index 4cfa3f0..cc7c516b 100644 --- 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 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; } -- cgit v1.1