linux-kernel - Re: [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller

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Message-ID: <20140913163749.GK7960@sirena.org.uk>
Date:	Sat, 13 Sep 2014 09:37:49 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Jianqun <jay.xu@...k-chips.com>
Cc:	heiko@...ech.de, lgirdwood@...il.com, perex@...ex.cz,
	tiwai@...e.de, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, huangtao@...k-chips.com,
	cf@...k-chips.com
Subject: Re: [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S
 controller

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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