From: Andrei Kuchynski <akuchynski@chromium.org>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhishek Pandit-Subedi <abhishekpandit@chromium.org>,
Jameson Thies <jthies@google.com>,
Benson Leung <bleung@chromium.org>,
Tzung-Bi Shih <tzungbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guenter Roeck <groeck@chromium.org>,
Pooja Katiyar <pooja.katiyar@intel.com>,
Badhri Jagan Sridharan <badhri@google.com>,
RD Babiera <rdbabiera@google.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
chrome-platform@lists.linux.dev,
Andrei Kuchynski <akuchynski@chromium.org>
Subject: [PATCH 02/10] platform/chrome: cros_ec_typec: Set alt_mode_override flag
Date: Mon, 16 Jun 2025 13:31:39 +0000 [thread overview]
Message-ID: <20250616133147.1835939-3-akuchynski@chromium.org> (raw)
In-Reply-To: <20250616133147.1835939-1-akuchynski@chromium.org>
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>
---
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 7678e3d05fd3..3aed429fde03 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -408,6 +408,7 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
cap->driver_data = cros_port;
cap->ops = &cros_typec_usb_mode_ops;
+ cap->alt_mode_override = typec->ap_driven_altmode;
cros_port->port = typec_register_port(dev, cap);
if (IS_ERR(cros_port->port)) {
--
2.50.0.rc1.591.g9c95f17f64-goog
next prev parent reply other threads:[~2025-06-16 13:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-16 13:31 [PATCH 00/10] USB Type-C mode selection Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 01/10] usb: typec: Add alt_mode_override field to port property Andrei Kuchynski
2025-06-16 13:31 ` Andrei Kuchynski [this message]
2025-06-16 13:31 ` [PATCH 03/10] usb: typec: ucsi: Set alt_mode_override flag Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 04/10] usb: typec: Expose alternate mode priorities via sysfs Andrei Kuchynski
2025-06-17 9:50 ` Heikki Krogerus
2025-06-17 12:38 ` Andrei Kuchynski
2025-06-17 13:28 ` Greg Kroah-Hartman
2025-06-18 2:47 ` Abhishek Pandit-Subedi
2025-06-18 13:42 ` Heikki Krogerus
2025-06-18 19:00 ` Abhishek Pandit-Subedi
2025-06-16 13:31 ` [PATCH 05/10] usb: typec: Implement automated alternate mode selection Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 06/10] Revert "usb: typec: displayport: Receive DP Status Update NAK request exit dp altmode" Andrei Kuchynski
2025-06-16 14:15 ` Greg Kroah-Hartman
2025-06-16 19:42 ` Andrei Kuchynski
2025-06-17 8:54 ` Heikki Krogerus
2025-06-17 12:54 ` Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 07/10] usb: typec: Report altmode entry status via callback Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 08/10] usb: typec: ucsi: displayport: Propagate DP altmode entry result Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 09/10] platform/chrome: cros_ec_typec: Propagate " Andrei Kuchynski
2025-06-16 13:31 ` [PATCH 10/10] platform/chrome: cros_ec_typec: Report USB4 mode entry status via callback Andrei Kuchynski
2025-06-16 13:34 ` [PATCH 00/10] USB Type-C mode selection Dmitry Baryshkov
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