ACPI: dock: send envp with uevent
Send an env along with our KOBJ_CHANGE uevent so that user space has
the option of checking for that to see if a dock or undock has occurred.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 4efc12cf..dc3df93 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -336,11 +336,19 @@
static void dock_event(struct dock_station *ds, u32 event, int num)
{
struct device *dev = &dock_device->dev;
+ char event_string[7];
+ char *envp[] = { event_string, NULL };
+
+ if (num == UNDOCK_EVENT)
+ sprintf(event_string, "UNDOCK");
+ else
+ sprintf(event_string, "DOCK");
+
/*
* Indicate that the status of the dock station has
* changed.
*/
- kobject_uevent(&dev->kobj, KOBJ_CHANGE);
+ kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
}
/**