diff options
Diffstat (limited to 'power')
| -rw-r--r-- | power/sc7180.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/power/sc7180.c b/power/sc7180.c index 21be404e2c..a29c1078a2 100644 --- a/power/sc7180.c +++ b/power/sc7180.c @@ -327,6 +327,21 @@ static void wait_pmic_pwron(int enable, unsigned int timeout) } /** + * Set the state of the system power signals but without any check. + * + * The system power signals are the enable pins of SwitchCap and VBOB. + * They control the power of the set of PMIC chips and the AP. + * + * @param enable 1 to enable or 0 to disable + */ +static void set_system_power_no_check(int enable) +{ + gpio_set_level(GPIO_SWITCHCAP_ON, enable); + /* TODO: VBOB_EN GPIO is NC, just a backup. Remove it later. */ + gpio_set_level(GPIO_VBOB_EN, enable); +} + +/** * Set the state of the system power signals. * * The system power signals are the enable pins of SwitchCap and VBOB. @@ -337,10 +352,8 @@ static void wait_pmic_pwron(int enable, unsigned int timeout) static void set_system_power(int enable) { CPRINTS("%s(%d)", __func__, enable); - gpio_set_level(GPIO_SWITCHCAP_ON, enable); + set_system_power_no_check(enable); wait_switchcap_power_good(enable); - /* TODO: VBOB_EN GPIO is NC, just a backup. Remove it later. */ - gpio_set_level(GPIO_VBOB_EN, enable); if (enable) { usleep(SYSTEM_POWER_ON_DELAY); } else { @@ -410,7 +423,7 @@ enum power_state power_chipset_init(void) */ if (!(reset_flags & EC_RESET_FLAG_SYSJUMP)) { CPRINTS("not sysjump; forcing system shutdown"); - set_system_power(0); + set_system_power_no_check(0); init_power_state = POWER_G3; } else { /* In the SYSJUMP case, we check if the AP is on */ |