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>
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 3cb9aa4..fa45567 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 @@
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 @@
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);