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Date: Sat, 13 Sep 2014 08:43:13 +0800 From: Jianqun <jay.xu@...k-chips.com> To: heiko@...ech.de, lgirdwood@...il.com, broonie@...nel.org, 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 Cc: huangtao@...k-chips.com, cf@...k-chips.com, Jianqun <jay.xu@...k-chips.com> Subject: [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller As "hclk" is used for rockchip I2S controller, driver must to enable it in probe. Tested on RK3288 with max98090. Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com> --- sound/soc/rockchip/rockchip_i2s.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 6595383..033487c 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ 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; + } i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk"); if (IS_ERR(i2s->mclk)) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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