Merge series from Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>:
Each ASoC framwark is using own snd_xxx_ret() function, but we can share
these. This patch-set adds new snd_soc_ret() and use it.
checkpatch indicates that ENOTSUPP is not a SUSV4 error code, prefer to
use EOPNOTSUPP. So this patch-set adds it, but not remove existing ENOTSUPP.
Link: https://lore.kernel.org/r/8734gvsg5i.wl-kuninori.morimoto.gx@renesas.com