diff options
| author | Matt DeVillier <matt.devillier@gmail.com> | 2020-08-12 10:29:11 -0500 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-08-14 00:51:23 +0000 |
| commit | 67f80fb8f56a1ff393306fac0d2930a41e3d2a19 (patch) | |
| tree | 775f05ac05d23e42c6344f0d24ac1ee220ad4a20 /src/superio/ite/common/env_ctrl_chip.h | |
| parent | deb80ea8071d38a15fa9c06be0e069be55672b25 (diff) | |
superio/ite/common: Add support for closed-loop mode
Add support for tachometer closed loop mode, and programming
of initial RPM vs initial PWM value.
Change-Id: Idff29331c979f8518021103b6f8d19e75e657e3a
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44418
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/superio/ite/common/env_ctrl_chip.h')
| -rw-r--r-- | src/superio/ite/common/env_ctrl_chip.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/superio/ite/common/env_ctrl_chip.h b/src/superio/ite/common/env_ctrl_chip.h index fa896e4074..2bb0780c53 100644 --- a/src/superio/ite/common/env_ctrl_chip.h +++ b/src/superio/ite/common/env_ctrl_chip.h @@ -60,6 +60,8 @@ struct ite_ec_fan_smartconfig { u8 smoothing; /* enable smoothing */ u8 pwm_start; /* start at this duty cycle (%) */ u8 slope; /* increase duty cycle by `slope`%/°C */ + u8 clsd_loop; /* tachometer closed-loop mode enable */ + u16 rpm_start; /* start at this RPM (clsd_loop = 1) */ }; struct ite_ec_fan_config { |