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...@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
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