ALSA: usb-audio: Drop superfluous ifndef
authorTakashi Iwai <tiwai@suse.de>
Thu, 24 May 2018 09:15:45 +0000 (11:15 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 24 May 2018 09:19:42 +0000 (11:19 +0200)
commitb6622f573ece9ddbf1d4c6808a6ad564f32b7b47
tree5ddb5137bb85b82949826098f0aa7de85b3c07bc
parent96961fa048cf2eef2b53cbc26313629937198996
ALSA: usb-audio: Drop superfluous ifndef

Drop the superfluous #ifndef checks that had been put just for
allowing building the alsa-driver kernel modules externally.
Since the external build was discontinued years ago, let's clean up
the old kludges.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/helper.h