[PATCH v4 2/8] platform/chrome: cros_ec_typec: Set no_mode_control flag
From: Andrei Kuchynski <akuchynski@chromium.org>
Date: 2026-01-13 13:05:48
Also in:
chrome-platform, lkml
Subsystem:
chrome hardware platform support, chromeos ec usb type-c driver, the rest · Maintainers:
Benson Leung, Tzung-Bi Shih, Abhishek Pandit-Subedi, Jameson Thies, Andrei Kuchynski, Linus Torvalds
This flag specifies that the Embedded Controller (EC) must receive explicit approval from the Application Processor (AP) before initiating Type-C alternate modes or USB4 mode. Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Tzung-Bi Shih <tzungbi@kernel.org> Reviewed-by: Benson Leung <bleung@chromium.org> --- drivers/platform/chrome/cros_ec_typec.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index b712bcff6fb26..c0806c562bb93 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c@@ -491,6 +491,7 @@ static int cros_typec_init_ports(struct cros_typec_data *typec) cap->driver_data = cros_port; cap->ops = &cros_typec_usb_mode_ops; + cap->no_mode_control = !typec->ap_driven_altmode; cros_port->port = typec_register_port(dev, cap); if (IS_ERR(cros_port->port)) {
--
2.52.0.457.g6b5491de43-goog