diff options
Diffstat (limited to 'src/drivers/i2c/lm96000/chip.h')
| -rw-r--r-- | src/drivers/i2c/lm96000/chip.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/drivers/i2c/lm96000/chip.h b/src/drivers/i2c/lm96000/chip.h index ab782dbbb5..cbf8601146 100644 --- a/src/drivers/i2c/lm96000/chip.h +++ b/src/drivers/i2c/lm96000/chip.h @@ -93,6 +93,7 @@ struct lm96000_fan_config { }; struct lm96000_temp_zone { + u8 low_temp; /* temperature for min. duty cycle (in °C) */ u8 target_temp; /* temperature for 100% duty cycle (in °C) */ u8 panic_temp; /* temperature for 100% duty cycle on all fans */ @@ -100,9 +101,12 @@ struct lm96000_temp_zone { with. (Datasheet clearly states the opposite, that this is tied to each PWM output so YMMV.) */ enum { - LM96000_LOW_TEMP_OFF = 0, /* turn fan off below low temp. */ - LM96000_LOW_TEMP_MIN = 1, /* keep PWM at mininum duty cycle */ + /* turn fan off below `low_temp - hysteresis` */ + LM96000_LOW_TEMP_OFF = 0, + /* keep PWM at mininum duty cycle */ + LM96000_LOW_TEMP_MIN = 1, } min_off; + u8 hysteresis; }; /* Implements only those parts currently used by coreboot mainboards. */ |