From: Prashant Malani <pmalani@chromium.org>
Date: Thu, 7 Jan 2021 03:49:04 +0000 (-0800)
Subject: usb: typec: Send uevent for num_altmodes update
X-Git-Tag: accepted/tizen/unified/20230118.172025~8101^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6c75c2bad36cfb43b144e6a0a76a69993c72097f;p=platform%2Fkernel%2Flinux-rpi.git

usb: typec: Send uevent for num_altmodes update

Generate a change uevent when the "number_of_alternate_modes" sysfs file
for partners and plugs is updated by a port driver.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Benson Leung <bleung@chromium.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210107034904.4112029-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index ebfd311..8f77669 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -766,6 +766,7 @@ int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmod
 		return ret;
 
 	sysfs_notify(&partner->dev.kobj, NULL, "number_of_alternate_modes");
+	kobject_uevent(&partner->dev.kobj, KOBJ_CHANGE);
 
 	return 0;
 }
@@ -923,6 +924,7 @@ int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes)
 		return ret;
 
 	sysfs_notify(&plug->dev.kobj, NULL, "number_of_alternate_modes");
+	kobject_uevent(&plug->dev.kobj, KOBJ_CHANGE);
 
 	return 0;
 }