diff options
| -rw-r--r-- | driver/charger/isl9241.c | 9 | ||||
| -rw-r--r-- | driver/charger/isl9241.h | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/driver/charger/isl9241.c b/driver/charger/isl9241.c index d21e438edb..ffd2ff6e17 100644 --- a/driver/charger/isl9241.c +++ b/driver/charger/isl9241.c @@ -363,6 +363,15 @@ static void isl9241_init(int chgnum) MASK_SET)) goto init_fail; + /* + * Set control4 register to + * [13]: Slew rate control enable (sets VSYS ramp to 8mV/us) + */ + if (isl9241_update(chgnum, ISL9241_REG_CONTROL4, + ISL9241_CONTROL4_SLEW_RATE_CTRL, + MASK_SET)) + goto init_fail; + #ifndef CONFIG_CHARGE_RAMP_HW if (isl9241_update(chgnum, ISL9241_REG_CONTROL0, ISL9241_CONTROL0_INPUT_VTG_REGULATION, diff --git a/driver/charger/isl9241.h b/driver/charger/isl9241.h index 3e5c9ad749..337c624758 100644 --- a/driver/charger/isl9241.h +++ b/driver/charger/isl9241.h @@ -39,6 +39,7 @@ /* 2: Input Voltage Regulation (0 = Enable (default), 1 = Disable) */ #define ISL9241_CONTROL0_INPUT_VTG_REGULATION BIT(2) + #define ISL9241_REG_INFORMATION1 0x3A #define ISL9241_REG_ADAPTER_CUR_LIMIT2 0x3B @@ -96,6 +97,9 @@ #define ISL9241_INFORMATION2_ACOK_PIN BIT(14) #define ISL9241_REG_CONTROL4 0x4E +/* 13: Enable VSYS slew rate control (0 - disable, 1 - enable) */ +#define ISL9241_CONTROL4_SLEW_RATE_CTRL BIT(13) + #define ISL9241_REG_CONTROL5 0x4F #define ISL9241_REG_NTC_ADC_RESULTS 0x80 #define ISL9241_REG_VBAT_ADC_RESULTS 0x81 |