staging: line6: sync with upstream

Big upstream sync.

Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/line6/Kconfig
Simple merge

diff --cc drivers/staging/line6/audio.c
Simple merge

diff --cc drivers/staging/line6/audio.h
Simple merge

diff --cc drivers/staging/line6/capture.c
Simple merge

diff --cc drivers/staging/line6/capture.h
Simple merge

diff --cc drivers/staging/line6/control.c
Simple merge

diff --cc drivers/staging/line6/control.h
Simple merge

diff --cc drivers/staging/line6/driver.c
Simple merge

diff --cc drivers/staging/line6/driver.h
Simple merge

diff --cc drivers/staging/line6/dumprequest.c
Simple merge

diff --cc drivers/staging/line6/dumprequest.h
Simple merge

diff --cc drivers/staging/line6/midi.c
Simple merge

diff --cc drivers/staging/line6/midi.h
Simple merge

diff --cc drivers/staging/line6/midibuf.c
Simple merge

diff --cc drivers/staging/line6/midibuf.h
Simple merge

diff --cc drivers/staging/line6/pcm.c
Simple merge

diff --cc drivers/staging/line6/pcm.h
Simple merge

diff --cc drivers/staging/line6/playback.c
Simple merge

diff --cc drivers/staging/line6/playback.h
Simple merge

diff --cc drivers/staging/line6/pod.c
Simple merge

diff --cc drivers/staging/line6/pod.h
Simple merge

diff --cc drivers/staging/line6/revision.h
Simple merge

diff --cc drivers/staging/line6/toneport.c
Simple merge

diff --cc drivers/staging/line6/toneport.h
Simple merge

diff --cc drivers/staging/line6/usbdefs.h
Simple merge

diff --cc drivers/staging/line6/variax.c
Simple merge

diff --cc drivers/staging/line6/variax.h
Simple merge