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[34.32.225.240]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b0476e0d61esm502141066b.53.2025.09.05.07.22.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Sep 2025 07:22:16 -0700 (PDT) From: Andrei Kuchynski To: Heikki Krogerus , Abhishek Pandit-Subedi , Benson Leung , Jameson Thies , Tzung-Bi Shih , linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Cc: Guenter Roeck , Greg Kroah-Hartman , Dmitry Baryshkov , "Christian A. Ehrhardt" , Venkat Jayaraman , linux-kernel@vger.kernel.org, Andrei Kuchynski Subject: [PATCH v3 2/5] platform/chrome: cros_ec_typec: Set no_mode_control flag Date: Fri, 5 Sep 2025 14:22:03 +0000 Message-ID: <20250905142206.4105351-3-akuchynski@chromium.org> X-Mailer: git-send-email 2.51.0.355.g5224444f11-goog In-Reply-To: <20250905142206.4105351-1-akuchynski@chromium.org> References: <20250905142206.4105351-1-akuchynski@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Heikki Krogerus Acked-by: Tzung-Bi Shih --- 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/chr= ome/cros_ec_typec.c index b712bcff6fb2..c0806c562bb9 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) =20 cap->driver_data =3D cros_port; cap->ops =3D &cros_typec_usb_mode_ops; + cap->no_mode_control =3D !typec->ap_driven_altmode; =20 cros_port->port =3D typec_register_port(dev, cap); if (IS_ERR(cros_port->port)) { --=20 2.51.0.355.g5224444f11-goog