ab8500_btemp: Allign battery temperature resolution with the framework
The Linux Power Supply framework expects battery temperatures to have
a resolution of 0.1 degree Celsius; however, the AB8500 btemp driver
supplies a battery temperature resolution of 1 degree Celsius. We
therefore have to use a factor 10 on the measured values.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index 4a570b6..adebf6c 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -746,22 +746,22 @@
} else {
if (di->events.btemp_low) {
if (temp > di->btemp_ranges.btemp_low_limit)
- temp = di->btemp_ranges.btemp_low_limit;
+ temp = di->btemp_ranges.btemp_low_limit * 10;
else
temp = di->bat_temp * 10;
} else if (di->events.btemp_high) {
if (temp < di->btemp_ranges.btemp_high_limit)
- temp = di->btemp_ranges.btemp_high_limit;
+ temp = di->btemp_ranges.btemp_high_limit * 10;
else
temp = di->bat_temp * 10;
} else if (di->events.btemp_lowmed) {
if (temp > di->btemp_ranges.btemp_med_limit)
- temp = di->btemp_ranges.btemp_med_limit;
+ temp = di->btemp_ranges.btemp_med_limit * 10;
else
temp = di->bat_temp * 10;
} else if (di->events.btemp_medhigh) {
if (temp < di->btemp_ranges.btemp_med_limit)
- temp = di->btemp_ranges.btemp_med_limit;
+ temp = di->btemp_ranges.btemp_med_limit * 10;
else
temp = di->bat_temp * 10;
} else
@@ -1030,8 +1030,8 @@
ab8500_btemp_periodic_work);
/* Set BTEMP thermal limits. Low and Med are fixed */
- di->btemp_ranges.btemp_low_limit = BTEMP_THERMAL_LOW_LIMIT;
- di->btemp_ranges.btemp_med_limit = BTEMP_THERMAL_MED_LIMIT;
+ di->btemp_ranges.btemp_low_limit = BTEMP_THERMAL_LOW_LIMIT * 10;
+ di->btemp_ranges.btemp_med_limit = BTEMP_THERMAL_MED_LIMIT * 10;
ret = abx500_get_register_interruptible(di->dev, AB8500_CHARGER,
AB8500_BTEMP_HIGH_TH, &val);