platform/chrome: cros_ec_typec: Set opmode to PD on SOP connected

When SOP Discovery is done, set the opmode to PD if status indicates
SOP is connected.

SOP connected indicates a PD contract is in place, and is a solid
indication we have transitioned to PD power negotiation, either as
source or sink.

Signed-off-by: Benson Leung <bleung@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210129061406.2680146-7-bleung@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 6bc6faf..a777825 100644 (file)
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -900,6 +900,9 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
                        dev_err(typec->dev, "Couldn't parse SOP Disc data, port: %d\n", port_num);
                else
                        typec->ports[port_num]->sop_disc_done = true;
+
+               if (resp.sop_connected)
+                       typec_set_pwr_opmode(typec->ports[port_num]->port, TYPEC_PWR_MODE_PD);
        }
 
        if (resp.events & PD_STATUS_EVENT_SOP_PRIME_DISC_DONE &&