ACPI: dock: Send key=value pair instead of plain value

Send key=value pair along with the uevent instead of a plain value so that
userspace (udev) can handle it like common environment variables.

Signed-off-by: Holger Macht <hmacht@suse.de>
Acked-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: Stephan Berberig <s.berberig@arcor.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 6192c8be66df..1dabdf4c07b3 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -336,13 +336,13 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
 static void dock_event(struct dock_station *ds, u32 event, int num)
 {
         struct device *dev = &dock_device->dev;
-        char event_string[7];
+        char event_string[13];
         char *envp[] = { event_string, NULL };
 
         if (num == UNDOCK_EVENT)
-                sprintf(event_string, "UNDOCK");
+                sprintf(event_string, "EVENT=undock");
         else
-                sprintf(event_string, "DOCK");
+                sprintf(event_string, "EVENT=dock");
 
         /*
          * Indicate that the status of the dock station has