How to read/write registers by a sound wire bus driver?

[SunWane]

Hi, All: I am developing a kernel driver for an amplifier device. I find a intel NUC 15 notebook that supports the soundwire bus. I notice that there is a device that is named as "Intel Smart Sound Technology for MIPI SoundWire Audio" in the device manager and I think it is the soundwire bus device. I use the SoundWireController.h that is in the WDK 26100 to develop a virtual driver. In the virtual driver, I send a IOCTL_SOUNDWIRE_READ_REGISTERS device IO control to the soundwire bus driver, but it returns STATUS_UNSUCCESSFULLY. I can not find any documents about how to use SoundWireControl

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