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hwmon: (corsair-cpro) Read temperature as a signed value 

Convert temperature to s16 to correctly read negative temperatures.

Signed-off-by: Marius Zachmann <mail@mariuszachmann.de>
Link: https://lore.kernel.org/r/20251113100024.11103-2-mail@mariuszachmann.de
[groeck: Updated subject, coding style]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Marius Zachmann 2025-11-13 11:00:23 +01:00 committed by Guenter Roeck
parent 006f661e02
commit 6ae5101d6f
1 changed files with 2 additions and 2 deletions
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4
drivers/hwmon/corsair-cpro.c
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@ -40,7 +40,7 @@
#define CTL_GET_TMP 0x11 /* #define CTL_GET_TMP 0x11 /*
* send: byte 1 is channel, rest zero * send: byte 1 is channel, rest zero
* rcv: returns temp for channel in centi-degree celsius * rcv: returns temp for channel in centi-degree celsius
* in bytes 1 and 2 * in bytes 1 and 2 as a two's complement value
* returns 0x11 in byte 0 if no sensor is connected * returns 0x11 in byte 0 if no sensor is connected
*/ */
#define CTL_GET_VOLT 0x12 /* #define CTL_GET_VOLT 0x12 /*
@ -258,7 +258,7 @@ static int ccp_read(struct device *dev, enum hwmon_sensor_types type,
ret = get_data(ccp, CTL_GET_TMP, channel, true); ret = get_data(ccp, CTL_GET_TMP, channel, true);
if (ret < 0) if (ret < 0)
return ret; return ret;
*val = ret * 10; *val = (s16)ret * 10;
return 0; return 0;
default: default:
break; break;