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bq27x00: Improve temperature property precession

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This patch improves the precession of the temperature property of the
bq27x00 driver.
By dividing before multiplying the current code effectively cuts of the
last decimal digit. This patch fixes it by multiplying before dividing.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
This commit is contained in:
Lars-Peter Clausen 2010-05-24 20:20:57 +02:00
parent 5661f334e8
commit 0e9f30497e
1 changed files with 1 additions and 1 deletions
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2
drivers/power/bq27x00_battery.c
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@ -109,7 +109,7 @@ static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
if (di->chip == BQ27500)
return temp - 2731;
else
return ((temp >> 2) - 273) * 10;
return ((temp * 5) - 5463) / 2;
}
/*