We now have a generic helper function to cast from a DAPM context to a CODEC.
Make use of it in the places which previously open-coded it.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Acked-by: NCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: NMark Brown <broonie@linaro.org>