Takashi Iwai f5172a7ed9 ALSA: hda - Check the existing path in snd_hda_add_new_path()
If the requested path has been already added, return the existing path
instance instead of adding a duplicated instance.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-12 08:43:31 +01:00
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