From: Jared Bents <jared.bents@xxxxxxxxxxxxxxxxxxx>
Converts the unsigned temperature values from the i2c read
to be sign extended as defined in the datasheet so that
negative temperatures are properly read.
Signed-off-by: Jared Bents <jared.bents@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Matt Weber <matthew.weber@xxxxxxxxxxxxxxxxxxx>
---
v1 -> v2
- checkpatch cleanup, removed space between cast
and function call. truncated line over 80chars
---
drivers/hwmon/amc6821.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 12e851a..eb53e0b 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -188,7 +188,8 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
!data->valid) {
for (i = 0; i < TEMP_IDX_LEN; i++)
- data->temp[i] = i2c_smbus_read_byte_data(client,
+ data->temp[i] = (int8_t)i2c_smbus_read_byte_data(
+ client,
temp_reg[i]);
data->stat1 = i2c_smbus_read_byte_data(client,
--
1.9.1
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