diff options
| -rw-r--r-- | drivers/hwmon/max6697.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index 0c34c0c81232..0735a1d2c20f 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -248,6 +248,16 @@ static int max6697_read(struct device *dev, enum hwmon_sensor_types type, ret = regmap_read(regmap, MAX6697_REG_STAT_CRIT, ®val); if (ret) return ret; + /* + * In the MAX6581 datasheet revision 0 to 3, the local channel + * overtemperature status is reported in bit 6 of register 0x45, + * and the overtemperature status for remote channel 7 is + * reported in bit 7. In Revision 4 and later, the local channel + * overtemperature status is reported in bit 7, and the remote + * channel 7 overtemperature status is reported in bit 6. A real + * chip was found to match the functionality documented in + * Revision 4 and later. + */ *val = !!(regval & BIT(channel ? channel - 1 : 7)); break; case hwmon_temp_max_alarm: |