On Sun, Sep 18, 2016 at 10:09:11PM +0800, Randy Li wrote:

> It is simple sound card time, we could assign different codec
> to a interface without making a specific driver for it.

>  config SND_SAMSUNG_AC97
> -	tristate
> +	tristate "Samsung AC97 controller support"
>  	select SND_SOC_AC97_BUS

Are you *sure* simple-card works for AC'97?