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.jo...@linaro.org>
---
drivers/power/ab8500_btemp.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index efeb6dd..3ad47b0 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -746,22 +746,22 @@ static int ab8500_btemp_get_temp(struct ab8500_btemp *di)
} 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 @@ static int __devinit ab8500_btemp_probe(struct
platform_device *pdev)
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);
--
1.7.9.5
--
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