diff options
Diffstat (limited to 'drivers/power/axp221.c')
| -rw-r--r-- | drivers/power/axp221.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 727ab09..109d3f4 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -223,6 +223,18 @@ int axp_init(void) if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17)) return -ENODEV; + /* + * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting + * from android these are sometimes on. + */ + ret = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT); + if (ret) + return ret; + + ret = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT); + if (ret) + return ret; + return 0; } |