[PATCH v2] ASoC: rockchip: i2s: restore register during runtime_suspend/resume cycle

[Mark Brown]

On Tue, Sep 06, 2016 at 09:19:53AM +0800, Sugar Zhang wrote:

>  	struct rk_i2s_dev *i2s = dev_get_drvdata(dev);
> -	int ret;
> +	int ret = 0;
>  

Why are you initializing this?  All this will do is stop the compiler
warning you about use without initializaiton bugs.
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