ASoC: ak4642: Add driver data and driver private struct

Currently unused, this is done to let the driver distinguish between
the different supported codec types in later patches.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sascha Hauer 2014-05-14 09:37:35 +02:00 • committed by Mark Brown
commit d815c703ce