From: Li Jun <jun.li@xxxxxxx>
Per typec spec:
Figure 4-15 Connection State Diagram: DRP
Figure 4-16 Connection State Diagram: DRP with Accessory and Try.SRC
Support
Figure 4-17 Connection State Diagram: DRP with Accessory and Try.SNK
Support
DRP port should move to Unattached.SNK instead of Unattached.SRC if
sink removed.
Signed-off-by: Li Jun <jun.li@xxxxxxx>
---
drivers/usb/typec/tcpm/tcpm.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 78077c2..3174180 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -3680,8 +3680,12 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
case SRC_SEND_CAPABILITIES:
case SRC_READY:
if (tcpm_port_is_disconnected(port) ||
- !tcpm_port_is_source(port))
- tcpm_set_state(port, SRC_UNATTACHED, 0);
+ !tcpm_port_is_source(port)) {
+ if (port->port_type == TYPEC_PORT_SRC)
+ tcpm_set_state(port, SRC_UNATTACHED, 0);
+ else
+ tcpm_set_state(port, SNK_UNATTACHED, 0);
+ }
break;
case SNK_UNATTACHED:
if (tcpm_port_is_sink(port))
--
2.7.4
