hwmon: (ina209) Handled signed registers
The shunt voltage and current registers are signed 16-bit values so
handle them as such.
Signed-off-by: Joe Schaack <[email protected]>
Reviewed-by: Aaron Sierra <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c
index c5f20f0..aa0768c 100644
--- a/drivers/hwmon/ina209.c
+++ b/drivers/hwmon/ina209.c
@@ -117,7 +117,7 @@ static long ina209_from_reg(const u8 reg, const u16 val)
case INA209_SHUNT_VOLTAGE_POS_WARN:
case INA209_SHUNT_VOLTAGE_NEG_WARN:
/* LSB=10 uV. Convert to mV. */
- return DIV_ROUND_CLOSEST(val, 100);
+ return DIV_ROUND_CLOSEST((s16)val, 100);
case INA209_BUS_VOLTAGE:
case INA209_BUS_VOLTAGE_MAX_PEAK:
@@ -146,7 +146,7 @@ static long ina209_from_reg(const u8 reg, const u16 val)
case INA209_CURRENT:
/* LSB=1 mA (selected). Is in mA */
- return val;
+ return (s16)val;
}
/* programmer goofed */
