From 56277035c294ec4877aabc97febcf55a2b3ef397 Mon Sep 17 00:00:00 2001 From: Badhri Jagan Sridharan Date: Mon, 28 Aug 2017 10:23:22 -0700 Subject: staging: typec: tcpm: Switch to PORT_RESET instead of SNK_UNATTACHED When VBUS is not discovered within PD_T_PS_SOURCE_ON although Rp is detected on CC, TCPM switches the port to SNK_UNATTACHED state. SNK_UNATTACHED, however does not force TYPEC_CC_OPEN which makes the partner(source) to think that it is connected. To overcome this issue, force the port into PORT_RESET state to make sure the CC lines are open. Signed-off-by: Badhri Jagan Sridharan Reviewed-by: Guenter Roeck Signed-off-by: Greg Kroah-Hartman --- drivers/staging/typec/tcpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/staging/typec') diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index cbfb1a4..2ce02ab 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -2385,7 +2385,7 @@ static void run_state_machine(struct tcpm_port *port) 0); else /* Wait for VBUS, but not forever */ - tcpm_set_state(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON); + tcpm_set_state(port, PORT_RESET, PD_T_PS_SOURCE_ON); break; case SRC_TRY: -- cgit v1.1