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path: root/drivers/usb/typec/tcpm/tcpm.c
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Diffstat (limited to 'drivers/usb/typec/tcpm/tcpm.c')
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d962f67c95ae..058d5b853b57 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -517,9 +517,9 @@ static const char * const pd_rev[] = {
((cc) == TYPEC_CC_RP_DEF || (cc) == TYPEC_CC_RP_1_5 || \
(cc) == TYPEC_CC_RP_3_0)
+/* As long as cc is pulled up, we can consider it as sink. */
#define tcpm_port_is_sink(port) \
- ((tcpm_cc_is_sink((port)->cc1) && !tcpm_cc_is_sink((port)->cc2)) || \
- (tcpm_cc_is_sink((port)->cc2) && !tcpm_cc_is_sink((port)->cc1)))
+ (tcpm_cc_is_sink((port)->cc1) || tcpm_cc_is_sink((port)->cc2))
#define tcpm_cc_is_source(cc) ((cc) == TYPEC_CC_RD)
#define tcpm_cc_is_audio(cc) ((cc) == TYPEC_CC_RA)
@@ -1625,6 +1625,9 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
if (PD_VDO_VID(p[0]) != USB_SID_PD)
break;
+ if (IS_ERR_OR_NULL(port->partner))
+ break;
+
if (PD_VDO_SVDM_VER(p[0]) < svdm_version) {
typec_partner_set_svdm_version(port->partner,
PD_VDO_SVDM_VER(p[0]));
@@ -3903,6 +3906,8 @@ static void run_state_machine(struct tcpm_port *port)
port->potential_contaminant = ((port->enter_state == SRC_ATTACH_WAIT &&
port->state == SRC_UNATTACHED) ||
(port->enter_state == SNK_ATTACH_WAIT &&
+ port->state == SNK_UNATTACHED) ||
+ (port->enter_state == SNK_DEBOUNCED &&
port->state == SNK_UNATTACHED));
port->enter_state = port->state;