[RFC v2 PATCH] ASoC: wm8904: add CCF support

[Mark Brown]

On Tue, Mar 25, 2014 at 05:56:56PM +0800, Bo Shen wrote:

>  	case SND_SOC_BIAS_ON:
> +		if (IS_ENABLED(CONFIG_COMMON_CLK))
> +			if (wm8904->mclk)
> +				clk_prepare_enable(wm8904->mclk);

No, this shouldn't depend on COMMON_CLK - there is no reason other clock
API implementations shouldn't be able to use this.  Providing a clock is
something you can only do with COMMON_CLK but using one doesn't need
that, generally using a clock is done unconditionally.
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