diff options
Diffstat (limited to 'include/config.h')
| -rw-r--r-- | include/config.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/config.h b/include/config.h index 5a264f5619..ee9b354835 100644 --- a/include/config.h +++ b/include/config.h @@ -1076,10 +1076,20 @@ * and input current is limited to 1000 mA, the charger will be given a limit * of 960 mA. * + * The default value is set to prevent most overcurrent conditions during load + * transients, because power supplies vary in their tolerance to such + * short-lived overcurrent conditions and many chargers respond slowly to those + * transients. + * + * Projects SHOULD characterize system behavior to tune for system + * behavior and charger response in order to optimize this (allowing the + * derating to be reduced) and ensure transients do not exceed the range of + * acceptable current (which might require greater derating). + * * Boards requiring more complex control over input current should leave this * undefined and override board_set_charge_limit instead. */ -#undef CONFIG_CHARGER_INPUT_CURRENT_DERATE_PCT +#define CONFIG_CHARGER_INPUT_CURRENT_DERATE_PCT 5 /* * This config option is used to enable IDCHG trigger for prochot. This macro |