diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2012-03-09 09:56:41 +0100 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2012-05-08 16:34:03 -0700 |
| commit | e919c71665d2386eec6dc2ecd58d01bae69fc0fd (patch) | |
| tree | e48c032ee0b94b470e91f097a6a0ba7f0959511b /sound/soc | |
| parent | 27e53cfbce493bb062212263aa24bbbc5a1077f4 (diff) | |
| download | linux-e919c71665d2386eec6dc2ecd58d01bae69fc0fd.tar.bz2 | |
ARM: Orion: Audio: Add clk/clkdev support
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-i2s.c | 13 | ||||
| -rw-r--r-- | sound/soc/kirkwood/kirkwood.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 3cb9aa4299d3..fa4556750451 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/mbus.h> #include <linux/delay.h> +#include <linux/clk.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> @@ -449,6 +450,14 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) priv->burst = data->burst; + priv->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(priv->clk)) { + dev_err(&pdev->dev, "no clock\n"); + err = PTR_ERR(priv->clk); + goto err_ioremap; + } + clk_prepare_enable(priv->clk); + return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai); err_ioremap: @@ -466,6 +475,10 @@ static __devexit int kirkwood_i2s_dev_remove(struct platform_device *pdev) struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev); snd_soc_unregister_dai(&pdev->dev); + + clk_disable_unprepare(priv->clk); + clk_put(priv->clk); + iounmap(priv->io); release_mem_region(priv->mem->start, SZ_16K); kfree(priv); diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h index 9047436b3937..f9084d83e6bd 100644 --- a/sound/soc/kirkwood/kirkwood.h +++ b/sound/soc/kirkwood/kirkwood.h @@ -123,6 +123,7 @@ struct kirkwood_dma_data { void __iomem *io; int irq; int burst; + struct clk *clk; }; #endif |