> +enum avs_i2s_version {
> + AVS_I2S_VER_15_SKYLAKE = 0x00000,
> + AVS_I2S_VER_15_BROXTON = 0x10000,
I would add a comment that this is added for completeness but not
tested/supported.
> + AVS_I2S_VER_15_BROXTON_P = 0x20000,
> + AVS_I2S_VER_18_KBL_CNL = 0x30000,
> +};