4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ladislav Michl <la...@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 <la...@linux-mips.org>
Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@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
@@ -316,15 +316,15 @@ 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;
}
