sta529
struct sta529 *sta529 = snd_soc_component_get_drvdata(component);
regcache_sync(sta529->regmap);
struct sta529 *sta529;
sta529 = devm_kzalloc(&i2c->dev, sizeof(struct sta529), GFP_KERNEL);
if (!sta529)
sta529->regmap = devm_regmap_init_i2c(i2c, &sta529_regmap);
if (IS_ERR(sta529->regmap)) {
ret = PTR_ERR(sta529->regmap);
i2c_set_clientdata(i2c, sta529);