2010-02-12 21:57:21

by Grazvydas Ignotas

Subject: [PATCH 3/4] power_supply: bq27x00: fix temperature conversion

The power supply class requires tenths of degree Celsius.

Signed-off-by: Grazvydas Ignotas <[email protected]>
---
drivers/power/bq27x00_battery.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 3ae3e08..3da9e0a 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -74,7 +74,7 @@ static int bq27x00_read(u8 reg, int *rt_value, int b_single,
}

/*
- * Return the battery temperature in Celsius degrees
+ * Return the battery temperature in tenths of degree Celsius
* Or < 0 if something fails.
*/
static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
@@ -88,7 +88,7 @@ static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
return ret;
}

- return (temp >> 2) - 273;
+ return ((temp >> 2) - 273) * 10;
}

/*
--
1.6.3.3

2010-02-16 16:23:07

by Rodolfo Giometti

Subject: Re: [PATCH 3/4] power_supply: bq27x00: fix temperature conversion

On Fri, Feb 12, 2010 at 11:57:13PM +0200, Grazvydas Ignotas wrote:
> The power supply class requires tenths of degree Celsius.
>
> Signed-off-by: Grazvydas Ignotas <[email protected]>

Acked-by: Rodolfo Giometti <[email protected]>

--

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