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-rw-r--r--drivers/power/axp209.c16
-rw-r--r--drivers/power/axp221.c12
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c
index fc162a1..731b75e 100644
--- a/drivers/power/axp209.c
+++ b/drivers/power/axp209.c
@@ -167,6 +167,22 @@ int axp_init(void)
return rc;
}
+ /*
+ * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
+ * from android these are sometimes on.
+ */
+ rc = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
+ if (rc)
+ return rc;
+
+ rc = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
+ if (rc)
+ return rc;
+
+ rc = pmic_bus_write(AXP_GPIO2_CTRL, AXP_GPIO_CTRL_INPUT);
+ if (rc)
+ return rc;
+
return 0;
}
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;
}