---

yaml --- r: 353410 b: refs/heads/master c: 5b1d3c3 h: refs/heads/master v: v3
git-mirror · Jan 31, 2013 · 6713371 · 6713371
1 parent 26865af
commit 6713371
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Showing 2 changed files with 27 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 313367e7bfa9de924245ad65c83c32c073b2fdfc
+refs/heads/master: 5b1d3c3472f1941ab1a78575fe9ada718a7c0c25
diff --git a/trunk/sound/soc/samsung/i2s.c b/trunk/sound/soc/samsung/i2s.c
@@ -1071,6 +1071,26 @@ static inline int samsung_i2s_get_driver_data(struct platform_device *pdev)
 		return platform_get_device_id(pdev)->driver_data;
 }
 
+#ifdef CONFIG_PM_RUNTIME
+static int i2s_runtime_suspend(struct device *dev)
+{
+	struct i2s_dai *i2s = dev_get_drvdata(dev);
+
+	clk_disable_unprepare(i2s->clk);
+
+	return 0;
+}
+
+static int i2s_runtime_resume(struct device *dev)
+{
+	struct i2s_dai *i2s = dev_get_drvdata(dev);
+
+	clk_prepare_enable(i2s->clk);
+
+	return 0;
+}
+#endif /* CONFIG_PM_RUNTIME */
+
 static int samsung_i2s_probe(struct platform_device *pdev)
 {
 	struct i2s_dai *pri_dai, *sec_dai = NULL;
@@ -1288,6 +1308,11 @@ static const struct of_device_id exynos_i2s_match[] = {
 MODULE_DEVICE_TABLE(of, exynos_i2s_match);
 #endif
 
+static const struct dev_pm_ops samsung_i2s_pm = {
+	SET_RUNTIME_PM_OPS(i2s_runtime_suspend,
+				i2s_runtime_resume, NULL)
+};
+
 static struct platform_driver samsung_i2s_driver = {
 	.probe  = samsung_i2s_probe,
 	.remove = samsung_i2s_remove,
@@ -1296,6 +1321,7 @@ static struct platform_driver samsung_i2s_driver = {
 		.name = "samsung-i2s",
 		.owner = THIS_MODULE,
 		.of_match_table = of_match_ptr(exynos_i2s_match),
+		.pm = &samsung_i2s_pm,
 	},
 };