This patch converts the Opti93x driver to use
the cs4231 library instead of duplicating the code.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Tested-by: NRene Herman <rene.herman@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>