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authorLadislav Michl <ladis@linux-mips.org>2018-02-22 20:21:36 +0300
committerSebastian Reichel <sebastian.reichel@collabora.co.uk>2018-02-22 23:28:16 +0300
commitdde5953f05a89eb63a0d666ffe51d447b2ac3e05 (patch)
tree3e07163c91a7661e7b5fbe38f5b8f7a8c785b8fb /drivers/power
parent7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff)
downloadlinux-dde5953f05a89eb63a0d666ffe51d447b2ac3e05.tar.xz
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 <ladis@linux-mips.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/ltc2941-battery-gauge.c8
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 4cfa3f0cd689..cc7c516bb417 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;
}