diff options
Diffstat (limited to 'driver/charger/isl923x.c')
| -rw-r--r-- | driver/charger/isl923x.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/driver/charger/isl923x.c b/driver/charger/isl923x.c index f2bd51b927..18b31b0952 100644 --- a/driver/charger/isl923x.c +++ b/driver/charger/isl923x.c @@ -302,11 +302,18 @@ int charger_post_init(void) return EC_SUCCESS; } -int isl923x_set_ac_prochot(uint16_t ac_prochot) +int isl923x_set_ac_prochot(uint16_t ma) { - int rv = raw_write16(ISL923X_REG_PROCHOT_AC, ac_prochot); + int rv; + + if (ma > ISL923X_AC_PROCHOT_CURRENT_MAX) { + CPRINTF("%s: invalid current (%d mA)\n", __func__, ma); + return EC_ERROR_INVAL; + } + + rv = raw_write16(ISL923X_REG_PROCHOT_AC, ma); if (rv) - CPRINTF("%s failed\n", __func__); + CPRINTF("%s failed (%d)\n", __func__, rv); return rv; } |