From ecf4d4310a16c32fee081924a1aebe9f4c7c0403 Mon Sep 17 00:00:00 2001
From: Prashant Malani <pmalani@chromium.org>
Date: Thu, 10 Dec 2020 13:16:54 -0800
Subject: [PATCH] usb: typec: Add class for plug alt mode device
Add the Type C class for plug alternate mode devices which are being
registered by the Type C connector class. This ensures that udev events
get generated when the plug alt modes are registered.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20201210211653.879044-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/class.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 4f6e58dfb81d5..ebfd3113a9a80 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -600,6 +600,10 @@ typec_register_altmode(struct device *parent,
if (is_typec_partner(parent))
alt->adev.dev.bus = &typec_bus;
+ /* Plug alt modes need a class to generate udev events. */
+ if (is_typec_plug(parent))
+ alt->adev.dev.class = typec_class;
+
ret = device_register(&alt->adev.dev);
if (ret) {
dev_err(parent, "failed to register alternate mode (%d)\n",
--
2.30.2