[PATCH v4 10/13] usb: typec: tcpm: set cc for drp toggling attach

[Li Jun <jun.li@nxp.com>]

In case of drp toggling, we may need set correct cc value for role control
after attach as it may never been set.

Signed-off-by: Li Jun <jun.li@nxp.com>
---
 drivers/usb/typec/tcpm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 218c230..72d4232 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -2126,6 +2126,7 @@ static void tcpm_reset_port(struct tcpm_port *port)
 	tcpm_set_attached_state(port, false);
 	port->try_src_count = 0;
 	port->try_snk_count = 0;
+	port->cc_req = 0;
 }
 
 static void tcpm_detach(struct tcpm_port *port)
@@ -2361,6 +2362,8 @@ static void run_state_machine(struct tcpm_port *port)
 		break;
 
 	case SRC_ATTACHED:
+		if (!port->cc_req)
+			tcpm_set_cc(port, tcpm_rp_cc(port));
 		ret = tcpm_src_attach(port);
 		tcpm_set_state(port, SRC_UNATTACHED,
 			       ret < 0 ? 0 : PD_T_PS_SOURCE_ON);
@@ -2531,6 +2534,8 @@ static void run_state_machine(struct tcpm_port *port)
 		tcpm_set_state(port, SNK_UNATTACHED, PD_T_PD_DEBOUNCE);
 		break;
 	case SNK_ATTACHED:
+		if (!port->cc_req)
+			tcpm_set_cc(port, TYPEC_CC_RD);
 		ret = tcpm_snk_attach(port);
 		if (ret < 0)
 			tcpm_set_state(port, SNK_UNATTACHED, 0);
-- 
2.7.4