The C-Media CM6533 is a USB audio chip featuring it's jack detection
capability.The device originates an interrupt transfer via HID interface each
time when a jack event occurs.  The purpose of this patch is to handle hid raw
events to keep the operating system informed of user interactions.
Signed-off-by: NBen Chen <ben_chen@bizlinktech.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>