ak4642_drvdata
const struct ak4642_drvdata *drvdata;
static const struct ak4642_drvdata ak4642_drvdata = {
static const struct ak4642_drvdata ak4643_drvdata = {
static const struct ak4642_drvdata ak4648_drvdata = {
const struct ak4642_drvdata *drvdata;
{ .compatible = "asahi-kasei,ak4642", .data = &ak4642_drvdata},
{ "ak4642", (kernel_ulong_t)&ak4642_drvdata },