From bf0e6a5eb0dd6ec9ebf1d4fb2cf2f804de946f44 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sat, 25 Dec 2021 23:19:33 +0100
Subject: lm75: overtemperature threshold and hysteresis are _signed_ 8bit ints

---
 src/driver/lm75.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/driver')

diff --git a/src/driver/lm75.cc b/src/driver/lm75.cc
index 3fd1483..8aab05d 100644
--- a/src/driver/lm75.cc
+++ b/src/driver/lm75.cc
@@ -2,6 +2,8 @@
  * Copyright 2020 Daniel Friesel
  *
  * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Driver for LM75B Digital Temperature Sensor and Thermal Watchdog.
  */
 #include "driver/lm75.h"
 #if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(CONFIG_driver_softi2c)
@@ -40,7 +42,7 @@ unsigned int LM75::getHyst()
 	return rxbuf[0];
 }
 
-void LM75::setOS(unsigned char os)
+void LM75::setOS(signed char os)
 {
 	txbuf[0] = 0x03;
 	txbuf[1] = os;
@@ -48,7 +50,7 @@ void LM75::setOS(unsigned char os)
 	i2c.xmit(address, 3, txbuf, 0, rxbuf);
 }
 
-void LM75::setHyst(unsigned char hyst)
+void LM75::setHyst(signed char hyst)
 {
 	txbuf[0] = 0x02;
 	txbuf[1] = hyst;
-- 
cgit v1.2.3