On Thu, Apr 19, 2018 at 09:58:17AM +0800, KaiChieh Chuang wrote: > On Wed, 2018-04-18 at 17:40 +0100, Mark Brown wrote: > > > + priv->regmap = dev_get_regmap(pdev->dev.parent, NULL); > > > + if (IS_ERR(priv->regmap)) > > > + return PTR_ERR(priv->regmap); > > This should be the default behaviour so I'm guessing you don't need the > > callback? > the regmap is obtain from parent dev, i assume i can use > snd_soc_component_init_regmap() as alternative for > get_regmap().callback? Yes, though you shouldn't even need to do that - the core should just try using the parent regmap if none is provided.
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