[PATCH] ASoC: sunxi: sun50i-dmic: Add missing check for devm_regmap_init_mmio

[Markus Elfring]

> Add check for the return value of devm_regmap_init_mmio() and return the
> error if it fails in order to catch the error.

How do you think about to add any tags (like “Fixes” and “Cc”) accordingly?

Regards,
Markus