[PATCH 5.12 136/173] hwmon: (tps23861) correct shunt LSB values

From: Greg Kroah-Hartman
Date: Mon Jun 14 2021 - 07:39:09 EST


From: Robert Marko <robert.marko@xxxxxxxxxx>

commit e13d1127241404f1c3eb1379ac4dd100eaf385b4 upstream.

Current shunt LSB values got reversed during in the
original driver commit.

So, correct the current shunt LSB values according to
the datasheet.

This caused reading slightly skewed current values.

Fixes: fff7b8ab2255 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210609220728.499879-3-robert.marko@xxxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/tps23861.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/hwmon/tps23861.c
+++ b/drivers/hwmon/tps23861.c
@@ -105,8 +105,8 @@
#define TEMPERATURE_LSB 652 /* 0.652 degrees Celsius */
#define VOLTAGE_LSB 3662 /* 3.662 mV */
#define SHUNT_RESISTOR_DEFAULT 255000 /* 255 mOhm */
-#define CURRENT_LSB_255 62260 /* 62.260 uA */
-#define CURRENT_LSB_250 61039 /* 61.039 uA */
+#define CURRENT_LSB_250 62260 /* 62.260 uA */
+#define CURRENT_LSB_255 61039 /* 61.039 uA */
#define RESISTANCE_LSB 110966 /* 11.0966 Ohm*/
#define RESISTANCE_LSB_LOW 157216 /* 15.7216 Ohm*/