[PATCH v2] hwmon: (amc6821) sign extension temperature

From: Jared Bents <redacted>

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 <redacted>
Signed-off-by: Matt Weber <redacted>
---
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

On Fri, Nov 18, 2016 at 10:20:38PM -0600, Matt Weber wrote:

From: Jared Bents <redacted>

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 <redacted>
Signed-off-by: Matt Weber <redacted>

Applied.

Guenter