linux-wandboard

Staging: line6: fix bus_id usage

bus_id is now gone in the linux-next tree, so replace it with dev_name()
so the code works properly.

Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>