Merge "Changes to mic driver to support device tree" into android-3.10-bringup

1 files changed, 51 insertions, 26 deletions

diff --git a/sound/soc/omap/omap3h1.c b/sound/soc/omap/omap3h1.c
index 108d104502d..2cd624744ea 100644
--- a/sound/soc/omap/omap3h1.c
+++ b/sound/soc/omap/omap3h1.c
@@ -26,6 +26,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/soc.h>
@@ -46,7 +47,7 @@ static int omap3h1_hw_params(struct snd_pcm_substream *substream,
 
 	//freq = 256 * params_rate(params);
     // We are triggering from the 96 MHz FSCK
-	pr_info("ASoc OMAP3H1: setting according to system clock\n");
+	pr_info("ASoc OMAP3H1: setting system clock to: %d", freq);
 	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_FCLK,
 				     96000000, SND_SOC_CLOCK_OUT);
 	if (ret < 0) {
@@ -103,45 +104,69 @@ static struct snd_soc_card snd_soc_omap3h1 = {
 //	.num_dapm_routes = ARRAY_SIZE(dmic_audio_map),
 };
 
-static struct platform_device *omap3h1_snd_device;
-
-static int __init omap3h1_soc_init(void)
+static int omap3h1_card_probe(struct platform_device *pdev)
 {
-	int ret;
+	struct device_node *node = pdev->dev.of_node;
+	struct snd_soc_card *card = &snd_soc_omap3h1;
+	int ret = 0;
 
-	if (!(machine_is_omap3_h1()))
-		return -ENODEV;
-	pr_info("OMAP3 H1 SoC init\n");
+#ifdef CONFIG_OF
+	if (node) {
+		struct device_node *dai_node;
+
+		dai_node = of_parse_phandle(node, "olio,mcbsp", 0);
+		if (!dai_node) {
+			dev_err(&pdev->dev, "mcbsp node is not provided\n");
+			return -EINVAL;
+		}
+		omap3h1_dai.cpu_dai_name = NULL;
+		omap3h1_dai.cpu_of_node = dai_node;
 
-	omap3h1_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!omap3h1_snd_device) {
-		printk(KERN_ERR "Platform device allocation failed\n");
-		return -ENOMEM;
+	} else {
+		dev_err(&pdev->dev, "Missing node\n");
+		return -ENODEV;
 	}
+#endif
 
-	platform_set_drvdata(omap3h1_snd_device, &snd_soc_omap3h1);
+	card->dev = &pdev->dev;
+	snd_soc_card_set_drvdata(card, NULL);
 
-	ret = platform_device_add(omap3h1_snd_device);
-	if (ret)
-		goto err1;
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+				ret);
+		return ret;
+	}
 
 	return 0;
-
-err1:
-	printk(KERN_ERR "Unable to add platform device\n");
-	platform_device_put(omap3h1_snd_device);
-
-	return ret;
 }
 
-static void __exit omap3h1_soc_exit(void)
+static int omap3h1_card_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(omap3h1_snd_device);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+	snd_soc_unregister_card(card);
+
+	return 0;
 }
 
-module_init(omap3h1_soc_init);
-module_exit(omap3h1_soc_exit);
+static const struct of_device_id omap_soc_h1_of_match[] = {
+	{.compatible = "olio,omap-soc-omap3h1", },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, omap_soc_h1_of_match);
+
+static struct platform_driver omap3h1_driver = {
+	.driver = {
+		.name	= "omap-soc-omap3h1",
+		.of_match_table = of_match_ptr(omap_soc_h1_of_match),
+	},
+	.probe		= omap3h1_card_probe,
+	.remove		= omap3h1_card_remove,
+};
+
 
+module_platform_driver(omap3h1_driver);
 MODULE_AUTHOR("Evan Wilson <evan@oliodevices.com");
 MODULE_DESCRIPTION("ALSA SoC OMAP3 H1");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:omap-soc-omap3h1");