linux-kernel - [PATCH v2 5/8] usb: typec: Use Thunderbolt 3 cable discover mode VDO in Enter

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Message-Id: <20201113202503.6559-6-utkarsh.h.patel@intel.com>
Date:   Fri, 13 Nov 2020 12:25:00 -0800
From:   Utkarsh Patel <utkarsh.h.patel@...el.com>
To:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Cc:     heikki.krogerus@...ux.intel.com, pmalani@...omium.org,
        enric.balletbo@...labora.com, rajmohan.mani@...el.com,
        azhar.shaikh@...el.com, Utkarsh Patel <utkarsh.h.patel@...el.com>
Subject: [PATCH v2 5/8] usb: typec: Use Thunderbolt 3 cable discover mode VDO in Enter_USB message

USB4 also uses same cable properties as Thunderbolt 3 so use Thunderbolt 3
cable discover mode VDO to fill details such as active cable plug link
training and cable rounded support.

Suggested-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@...el.com>

--
Changes in v2:
- No change.
--
---
 include/linux/usb/typec.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 6be558045942..d91e09d9d91c 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -75,6 +75,7 @@ enum typec_orientation {
 /*
  * struct enter_usb_data - Enter_USB Message details
  * @eudo: Enter_USB Data Object
+ * @tbt_cable_vdo: TBT3 Cable Discover Mode Response
  * @active_link_training: Active Cable Plug Link Training
  *
  * @active_link_training is a flag that should be set with uni-directional SBRX
@@ -83,6 +84,7 @@ enum typec_orientation {
  */
 struct enter_usb_data {
 	u32			eudo;
+	u32			tbt_cable_vdo;
 	unsigned char		active_link_training:1;
 };
 
-- 
2.17.1