Daniel Mack 60ed286a61 ALSA: usb-audio: make hwc_debug a noop in case HW_CONST_DEBUG is not set ...

Just defining it to nothing is dangerous as it can alter the code
execution flow, for example when used in as only function in a
conditional code block.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2011-05-18 11:44:35 +02:00

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