ALSA: usbaudio - use printf format instead of hardcoding it

Rather use printf format instead of hardcoding prefix like 0x.
A next step would be to predefine certain formats.

Signed-off-by: Andreas Bergmeier <lcid-fire@gmx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed