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Commit 8e04b372 authored by Li Jun's avatar Li Jun Committed by Greg Kroah-Hartman
Browse files

typec: tcpm: add starting value for drp toggling 



As DRP port autonomously toggles the Rp/Rd need a start value to
begin with, so add one parameter for it in tcpm_start_drp_toggling.

Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 21046320

drivers/usb/typec/tcpm.c

+5 −5
Original line number Diff line number Diff line
@@ -2431,15 +2431,15 @@ static int tcpm_set_charge(struct tcpm_port *port, bool charge) 
	return 0;

}



static bool tcpm_start_drp_toggling(struct tcpm_port *port)

static bool tcpm_start_drp_toggling(struct tcpm_port *port,

				    enum typec_cc_status cc)

{

	int ret;



	if (port->tcpc->start_drp_toggling &&

	    port->port_type == TYPEC_PORT_DRP) {

		tcpm_log_force(port, "Start DRP toggling");

		ret = port->tcpc->start_drp_toggling(port->tcpc,

						     tcpm_rp_cc(port));

		ret = port->tcpc->start_drp_toggling(port->tcpc, cc);

		if (!ret)

			return true;

	}
@@ -2747,7 +2747,7 @@ static void run_state_machine(struct tcpm_port *port) 
		if (!port->non_pd_role_swap)

			tcpm_swap_complete(port, -ENOTCONN);

		tcpm_src_detach(port);

		if (tcpm_start_drp_toggling(port)) {

		if (tcpm_start_drp_toggling(port, tcpm_rp_cc(port))) {

			tcpm_set_state(port, DRP_TOGGLING, 0);

			break;

		}
@@ -2922,7 +2922,7 @@ static void run_state_machine(struct tcpm_port *port) 
			tcpm_swap_complete(port, -ENOTCONN);

		tcpm_pps_complete(port, -ENOTCONN);

		tcpm_snk_detach(port);

		if (tcpm_start_drp_toggling(port)) {

		if (tcpm_start_drp_toggling(port, TYPEC_CC_RD)) {

			tcpm_set_state(port, DRP_TOGGLING, 0);

			break;

		}