Kernel-4.18.0-80.el8_ak4554 published: 2021-02-19 updated: 2021-02-19 Kernel_4.18.0-80.el8_内核文档 AK4554 ADC/DAC Required properties: compatible : “asahi-kasei,ak4554” Example: ak4554-adc-dac { compatible = “asahi-kasei,ak4554”;};