diff options
Diffstat (limited to 'chip/lm4/pwm.c')
| -rw-r--r-- | chip/lm4/pwm.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/chip/lm4/pwm.c b/chip/lm4/pwm.c index e3f359c389..3dd4a19bed 100644 --- a/chip/lm4/pwm.c +++ b/chip/lm4/pwm.c @@ -182,27 +182,6 @@ static int fan_is_stalled(void) return (((LM4_FAN_FANSTS >> (2 * FAN_CH_CPU)) & 0x03) == 0) ? 1 : 0; } -void pwm_task(void) -{ - uint16_t *mapped = (uint16_t *)host_get_memmap(EC_MEMMAP_FAN); - - while (1) { - if (fan_is_stalled()) { - mapped[0] = EC_FAN_SPEED_STALLED; - /* - * Issue warning. As we have thermal shutdown - * protection, issuing warning here should be enough. - */ - host_set_single_event(EC_HOST_EVENT_THERMAL); - cprintf(CC_PWM, "[%T Fan stalled!]\n"); - } else - mapped[0] = pwm_get_fan_rpm(); - - /* Update about once a second */ - sleep(1); - } -} - /*****************************************************************************/ /* Console commands */ @@ -443,6 +422,24 @@ static void pwm_init(void) } DECLARE_HOOK(HOOK_INIT, pwm_init, HOOK_PRIO_DEFAULT); +static void pwm_second(void) +{ + uint16_t *mapped = (uint16_t *)host_get_memmap(EC_MEMMAP_FAN); + + if (fan_is_stalled()) { + mapped[0] = EC_FAN_SPEED_STALLED; + /* + * Issue warning. As we have thermal shutdown + * protection, issuing warning here should be enough. + */ + host_set_single_event(EC_HOST_EVENT_THERMAL); + cprintf(CC_PWM, "[%T Fan stalled!]\n"); + } else { + mapped[0] = pwm_get_fan_rpm(); + } +} +DECLARE_HOOK(HOOK_SECOND, pwm_second, HOOK_PRIO_DEFAULT); + static void pwm_preserve_state(void) { struct pwm_state state; |