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-rw-r--r--common/charge_state.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/common/charge_state.c b/common/charge_state.c
index 8c93595d15..808a93e477 100644
--- a/common/charge_state.c
+++ b/common/charge_state.c
@@ -144,7 +144,7 @@ static int state_common(struct power_state_context *ctx)
curr->error = 0;
/* Detect AC change */
- curr->ac = switch_get_ac_present();
+ curr->ac = charge_get_flags() & CHARGE_FLAG_EXTERNAL_POWER;
if (curr->ac != prev->ac) {
if (curr->ac) {
/* AC on
@@ -579,6 +579,8 @@ uint32_t charge_get_flags(void)
if (state_machine_force_idle)
flags |= CHARGE_FLAG_FORCE_IDLE;
+ if (switch_get_ac_present())
+ flags |= CHARGE_FLAG_EXTERNAL_POWER;
return flags;
}
@@ -596,7 +598,11 @@ int charge_want_shutdown(void)
static int enter_force_idle_mode(void)
{
- if (!switch_get_ac_present())
+ /*
+ * Force-idle state is only meaningful if external power is present.
+ * If it's not present we can't charge anyway...
+ */
+ if (!(charge_get_flags() & CHARGE_FLAG_EXTERNAL_POWER))
return EC_ERROR_UNKNOWN;
state_machine_force_idle = 1;
charger_post_init();