platform/chrome: cros_ec_typec: Set partner num_altmodes

Set the number of altmodes available for a registered partner using the
Type C connector class framework routine.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-10-pmalani@chromium.org

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index c0f34aa..9466a09 100644 (file)
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -640,6 +640,7 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
        struct cros_typec_altmode_node *node;
        struct typec_altmode_desc desc;
        struct typec_altmode *amode;
+       int num_altmodes = 0;
        int ret = 0;
        int i, j;
 
@@ -666,9 +667,16 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
 
                        node->amode = amode;
                        list_add_tail(&node->list, &port->partner_mode_list);
+                       num_altmodes++;
                }
        }
 
+       ret = typec_partner_set_num_altmodes(port->partner, num_altmodes);
+       if (ret < 0) {
+               dev_err(typec->dev, "Unable to set partner num_altmodes for port: %d\n", port_num);
+               goto err_cleanup;
+       }
+
        return 0;
 
 err_cleanup: