From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ch3vs02.rockwellcollins.com ([205.175.226.29]:62824 "EHLO ch3vs02.rockwellcollins.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753617AbcKPWek (ORCPT ); Wed, 16 Nov 2016 17:34:40 -0500 From: Matt Weber To: linux-hwmon@vger.kernel.org Cc: Jared Bents , Matt Weber Subject: [PATCH] hwmon: (amc6821) sign extension temperature Date: Wed, 16 Nov 2016 16:23:53 -0600 Message-Id: <1479335033-44479-1-git-send-email-matthew.weber@rockwellcollins.com> Sender: linux-hwmon-owner@vger.kernel.org List-Id: linux-hwmon@vger.kernel.org From: Jared Bents 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 Signed-off-by: Matt Weber --- drivers/hwmon/amc6821.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index 12e851a..d7368f7 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -188,7 +188,7 @@ 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