[alsa-devel] [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller

Mark Brown broonie at kernel.org
Sat Sep 13 18:37:49 CEST 2014


On Sat, Sep 13, 2014 at 08:43:13AM +0800, Jianqun wrote:

> +++ b/sound/soc/rockchip/rockchip_i2s.c
> @@ -423,6 +423,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
>  		dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n");
>  		return PTR_ERR(i2s->hclk);
>  	}
> +	ret = clk_prepare_enable(i2s->hclk);
> +	if (ret) {
> +		dev_err(i2s->dev, "hclock enable failed %d\n", ret);
> +		return ret;
> +	}

BTW: you're also missing a clk_disable_unprepare() in the remove path
here, please send a followup fixing that.
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