[PATCH 04/10] platform/chrome: cros_ec_typec: Set port alt mode drvdata

From: Prashant Malani
Date: Tue Dec 27 2022 - 20:03:00 EST


Save the ChromeOS-specific Type-C port info in the port altmodes' driver
data. This makes communication with the ChromeOS EC (Embedded
Controller) easier when alt mode drivers need to send messages to
peripherals.

Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
---
drivers/platform/chrome/cros_ec_typec.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index bc8dc8bd90b3..05dc5a63af53 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -345,6 +345,7 @@ static int cros_typec_register_port_altmodes(struct cros_typec_data *typec,
if (IS_ERR(amode))
return PTR_ERR(amode);
port->port_altmode[CROS_EC_ALTMODE_DP] = amode;
+ typec_altmode_set_drvdata(amode, port);

/*
* Register TBT compatibility alt mode. The EC will not enter the mode
@@ -358,6 +359,7 @@ static int cros_typec_register_port_altmodes(struct cros_typec_data *typec,
if (IS_ERR(amode))
return PTR_ERR(amode);
port->port_altmode[CROS_EC_ALTMODE_TBT] = amode;
+ typec_altmode_set_drvdata(amode, port);

port->state.alt = NULL;
port->state.mode = TYPEC_STATE_USB;
--
2.39.0.314.g84b9a713c41-goog