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ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller

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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@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jianqun 2014-09-13 08:43:13 +08:00 committed by Mark Brown
parent 7d1311b93e
commit 01605ad128
1 changed files with 5 additions and 0 deletions
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5
sound/soc/rockchip/rockchip_i2s.c
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@ -419,6 +419,11 @@ 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)) {