diff options
Diffstat (limited to 'common/power_button_x86.c')
| -rw-r--r-- | common/power_button_x86.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/common/power_button_x86.c b/common/power_button_x86.c index c8854e99fe..954427aa5e 100644 --- a/common/power_button_x86.c +++ b/common/power_button_x86.c @@ -127,6 +127,34 @@ static void set_pwrbtn_to_pch(int high) gpio_set_level(GPIO_PCH_PWRBTN_L, high); } +void power_button_pch_release(void) +{ + CPRINTF("[%T PB PCH force release]\n"); + + /* Deassert power button signal to PCH */ + set_pwrbtn_to_pch(1); + + /* + * If power button is actually pressed, eat the next release so we + * don't send an extra release. + */ + if (power_button_is_pressed()) + pwrbtn_state = PWRBTN_STATE_EAT_RELEASE; + else + pwrbtn_state = PWRBTN_STATE_IDLE; +} + +void power_button_pch_pulse(void) +{ + CPRINTF("[%T PB PCH pulse]\n"); + + chipset_exit_hard_off(); + set_pwrbtn_to_pch(0); + pwrbtn_state = PWRBTN_STATE_LID_OPEN; + tnext_state = get_time().val + PWRBTN_INITIAL_US; + task_wake(TASK_ID_POWERBTN); +} + /** * Handle debounced power button down. */ @@ -180,11 +208,7 @@ static void set_initial_pwrbtn_state(void) * Otherwise, it might power on. */ CPRINTF("[%T PB init-off]\n"); - set_pwrbtn_to_pch(1); - if (power_button_is_pressed()) - pwrbtn_state = PWRBTN_STATE_EAT_RELEASE; - else - pwrbtn_state = PWRBTN_STATE_IDLE; + power_button_pch_release(); } else { /* * All other EC reset conditions power on the main processor so @@ -363,13 +387,8 @@ DECLARE_HOOK(HOOK_INIT, powerbtn_x86_init, HOOK_PRIO_DEFAULT); static void powerbtn_x86_lid_change(void) { /* If chipset is off, pulse the power button on lid open to wake it. */ - if (lid_is_open() && chipset_in_state(CHIPSET_STATE_ANY_OFF)) { - chipset_exit_hard_off(); - set_pwrbtn_to_pch(0); - pwrbtn_state = PWRBTN_STATE_LID_OPEN; - tnext_state = get_time().val + PWRBTN_INITIAL_US; - task_wake(TASK_ID_POWERBTN); - } + if (lid_is_open() && chipset_in_state(CHIPSET_STATE_ANY_OFF)) + power_button_pch_pulse(); } DECLARE_HOOK(HOOK_LID_CHANGE, powerbtn_x86_lid_change, HOOK_PRIO_DEFAULT); |