diff options
| -rw-r--r-- | common/charge_ramp.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/common/charge_ramp.c b/common/charge_ramp.c index 68a9c8ef96..3ca5bd89bb 100644 --- a/common/charge_ramp.c +++ b/common/charge_ramp.c @@ -11,8 +11,6 @@ #include "usb_charge.h" #include "util.h" -#define TYPEC_DTS_RAMP_MAX 2400 - test_mockable int chg_ramp_allowed(int supplier) { /* Don't allow ramping in RO when write protected. */ @@ -37,17 +35,16 @@ test_mockable int chg_ramp_allowed(int supplier) test_mockable int chg_ramp_max(int supplier, int sup_curr) { switch (supplier) { - case CHARGE_SUPPLIER_TYPEC_DTS: - /* - * Ramp DTS suppliers to advertised current or predetermined - * limit, whichever is greater. - */ - return MAX(TYPEC_DTS_RAMP_MAX, sup_curr); #ifdef CONFIG_CHARGE_RAMP_HW case CHARGE_SUPPLIER_PD: case CHARGE_SUPPLIER_TYPEC: - return sup_curr; #endif + case CHARGE_SUPPLIER_TYPEC_DTS: + /* + * We should not ramp DTS beyond what they advertise, otherwise + * we may brownout the systems they are connected to. + */ + return sup_curr; /* default: fall through */ } |