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hwmon: (asus-ec-sensors) Fix T_Sensor for PRIME X670E-PRO WIFI

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On the Asus PRIME X670E-PRO WIFI, the driver reports a constant value of
zero for T_Sensor. On this board, the register for T_Sensor is at a
different address, as found by experimentation and confirmed by
comparison to an independent temperature reading.

* sensor disconnected: -62.0°C
* ambient temperature: +22.0°C
* held between fingers: +30.0°C

Introduce SENSOR_TEMP_T_SENSOR_ALT1 to support the PRIME X670E-PRO WIFI
without causing a regression for other 600-series boards

Fixes: e0444758dd ("hwmon: (asus-ec-sensors) add PRIME X670E-PRO WIFI")
Signed-off-by: Corey Hickey <bugfood-c@fatooh.org>
Link: https://lore.kernel.org/r/20260331215414.368785-1-bugfood-ml@fatooh.org
[groeck: Fixed typo, updated Fixes: reference]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Corey Hickey 2026-03-31 14:49:06 -07:00 committed by Guenter Roeck
parent 0977397887
commit cffff6df66
1 changed files with 6 additions and 1 deletions
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7
drivers/hwmon/asus-ec-sensors.c
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@ -111,6 +111,8 @@ enum ec_sensors {
ec_sensor_temp_mb,
/* "T_Sensor" temperature sensor reading [℃] */
ec_sensor_temp_t_sensor,
/* like ec_sensor_temp_t_sensor, but at an alternate address [℃] */
ec_sensor_temp_t_sensor_alt1,
/* VRM temperature [℃] */
ec_sensor_temp_vrm,
/* VRM east (right) temperature [℃] */
@ -160,6 +162,7 @@ enum ec_sensors {
#define SENSOR_TEMP_CPU_PACKAGE BIT(ec_sensor_temp_cpu_package)
#define SENSOR_TEMP_MB BIT(ec_sensor_temp_mb)
#define SENSOR_TEMP_T_SENSOR BIT(ec_sensor_temp_t_sensor)
#define SENSOR_TEMP_T_SENSOR_ALT1 BIT(ec_sensor_temp_t_sensor_alt1)
#define SENSOR_TEMP_VRM BIT(ec_sensor_temp_vrm)
#define SENSOR_TEMP_VRME BIT(ec_sensor_temp_vrme)
#define SENSOR_TEMP_VRMW BIT(ec_sensor_temp_vrmw)
@ -279,6 +282,8 @@ static const struct ec_sensor_info sensors_family_amd_600[] = {
EC_SENSOR("VRM", hwmon_temp, 1, 0x00, 0x33),
[ec_sensor_temp_t_sensor] =
EC_SENSOR("T_Sensor", hwmon_temp, 1, 0x00, 0x36),
[ec_sensor_temp_t_sensor_alt1] =
EC_SENSOR("T_Sensor", hwmon_temp, 1, 0x00, 0x37),
[ec_sensor_fan_cpu_opt] =
EC_SENSOR("CPU_Opt", hwmon_fan, 2, 0x00, 0xb0),
[ec_sensor_temp_water_in] =
@ -519,7 +524,7 @@ static const struct ec_board_info board_info_prime_x570_pro = {
static const struct ec_board_info board_info_prime_x670e_pro_wifi = {
.sensors = SENSOR_TEMP_CPU | SENSOR_TEMP_CPU_PACKAGE |
SENSOR_TEMP_MB | SENSOR_TEMP_VRM |
SENSOR_TEMP_T_SENSOR | SENSOR_FAN_CPU_OPT,
SENSOR_TEMP_T_SENSOR_ALT1 | SENSOR_FAN_CPU_OPT,
.mutex_path = ACPI_GLOBAL_LOCK_PSEUDO_PATH,
.family = family_amd_600_series,
};