usb: typec: ucsi: move typec_set_mode(TYPEC_STATE_SAFE) to ucsi_unregister_partner()

It's better to set TYPEC_STATE_SAFE mode from ucsi_unregister_partner()
instead of ucsi_partner_change(), ucsi_unregister_partner() is always
when the partner disconnects.

Fixes: 25a2bc21 ("usb: typec: ucsi: call typec_set_mode on non-altmode partner change")
Suggested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230626-topic-sm8550-usb-c-audio-fixup-v1-1-bc72fddf3f42@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/typec/ucsi/ucsi.c

@@ -785,6 +785,8 @@ static void ucsi_unregister_partner(struct ucsi_connector *con)
 	if (!con->partner)
 		return;
 
+	typec_set_mode(con->port, TYPEC_STATE_SAFE);
+
 	ucsi_unregister_partner_pdos(con);
 	ucsi_unregister_altmodes(con, UCSI_RECIPIENT_SOP);
 	typec_unregister_partner(con->partner);
@@ -825,8 +827,6 @@ static void ucsi_partner_change(struct ucsi_connector *con)
 					UCSI_CONSTAT_PARTNER_FLAG_USB)
 				typec_set_mode(con->port, TYPEC_STATE_USB);
 		}
-	} else {
-		typec_set_mode(con->port, TYPEC_STATE_SAFE);
 	}
 
 	/* Only notify USB controller if partner supports USB data */