diff options
Diffstat (limited to 'driver/charger/isl923x.c')
| -rw-r--r-- | driver/charger/isl923x.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/driver/charger/isl923x.c b/driver/charger/isl923x.c index 0bac8c608c..33a669b5ef 100644 --- a/driver/charger/isl923x.c +++ b/driver/charger/isl923x.c @@ -741,15 +741,26 @@ static void isl923x_init(int chgnum) /* * Ignore BATGONE on auxiliary charger ICs as it's not connected * there. + * Clear DISABLE_GP_CMP & MCU_LDO_BAT_STATE_DISABLE to + * enable ALERT_B with control the power of sub-board */ if (chgnum != CHARGER_PRIMARY) { if (raw_read16(chgnum, ISL9238_REG_CONTROL4, ®)) goto init_fail; reg |= RAA489000_C4_BATGONE_DISABLE; + reg &= ~RAA489000_C4_DISABLE_GP_CMP; if (raw_write16(chgnum, ISL9238_REG_CONTROL4, reg)) goto init_fail; + + if (raw_read16(chgnum, RAA489000_REG_CONTROL8, ®)) + goto init_fail; + + reg &= ~RAA489000_C8_MCU_LDO_BAT_STATE_DISABLE; + + if (raw_write16(chgnum, RAA489000_REG_CONTROL8, reg)) + goto init_fail; } } #endif /* CONFIG_OCPC */ |