diff --git a/drivers/power/supply/qcom/qpnp-smb2.c b/drivers/power/supply/qcom/qpnp-smb2.c index 5f51406f29b7..26f47df73c2f 100644 --- a/drivers/power/supply/qcom/qpnp-smb2.c +++ b/drivers/power/supply/qcom/qpnp-smb2.c @@ -11,6 +11,7 @@ */ #include +#include #include #include #include @@ -1332,6 +1333,7 @@ static int smb2_disable_typec(struct smb_charger *chg) { int rc; + /* Move to typeC mode */ /* configure FSM in idle state */ rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_DISABLE_CMD_BIT, TYPEC_DISABLE_CMD_BIT); @@ -1340,6 +1342,39 @@ static int smb2_disable_typec(struct smb_charger *chg) return rc; } + /* wait for FSM to enter idle state */ + msleep(200); + /* configure TypeC mode */ + rc = smblib_masked_write(chg, TYPE_C_CFG_REG, + TYPE_C_OR_U_USB_BIT, 0); + if (rc < 0) { + dev_err(chg->dev, "Couldn't enable micro USB mode rc=%d\n", rc); + return rc; + } + + /* wait for mode change before enabling FSM */ + usleep_range(10000, 11000); + /* release FSM from idle state */ + rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, + TYPEC_DISABLE_CMD_BIT, 0); + if (rc < 0) { + dev_err(chg->dev, "Couldn't release FSM rc=%d\n", rc); + return rc; + } + + /* wait for FSM to start */ + msleep(100); + /* move to uUSB mode */ + /* configure FSM in idle state */ + rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, + TYPEC_DISABLE_CMD_BIT, TYPEC_DISABLE_CMD_BIT); + if (rc < 0) { + dev_err(chg->dev, "Couldn't put FSM in idle rc=%d\n", rc); + return rc; + } + + /* wait for FSM to enter idle state */ + msleep(200); /* configure micro USB mode */ rc = smblib_masked_write(chg, TYPE_C_CFG_REG, TYPE_C_OR_U_USB_BIT, TYPE_C_OR_U_USB_BIT); @@ -1348,6 +1383,8 @@ static int smb2_disable_typec(struct smb_charger *chg) return rc; } + /* wait for mode change before enabling FSM */ + usleep_range(10000, 11000); /* release FSM from idle state */ rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_DISABLE_CMD_BIT, 0);