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Commit 4538bfbf authored by Jared Bents's avatar Jared Bents Committed by Guenter Roeck
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hwmon: (amc6821) sign extension temperature 



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.

Fixes: 28e6274d ("hwmon: (amc6821) Avoid forward declaration")
Signed-off-by: default avatarJared Bents <jared.bents@rockwellcollins.com>
Signed-off-by: default avatarMatt Weber <matthew.weber@rockwellcollins.com>
[groeck: Dropped unnecessary continuation line]
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 13edb767

drivers/hwmon/amc6821.c

+2 −2
Original line number Diff line number Diff line
@@ -188,8 +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,

				temp_reg[i]);

			data->temp[i] = (int8_t)i2c_smbus_read_byte_data(

				client, temp_reg[i]);



		data->stat1 = i2c_smbus_read_byte_data(client,

			AMC6821_REG_STAT1);