--- zzzz-none-000/linux-3.10.107/sound/soc/omap/omap-dmic.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/omap/omap-dmic.c	2021-02-04 17:41:59.000000000 +0000
@@ -40,6 +40,7 @@
 #include <sound/initval.h>
 #include <sound/soc.h>
 #include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
 
 #include "omap-dmic.h"
 
@@ -57,17 +58,16 @@
 	struct mutex mutex;
 
 	struct snd_dmaengine_dai_dma_data dma_data;
-	unsigned int dma_req;
 };
 
 static inline void omap_dmic_write(struct omap_dmic *dmic, u16 reg, u32 val)
 {
-	__raw_writel(val, dmic->io_base + reg);
+	writel_relaxed(val, dmic->io_base + reg);
 }
 
 static inline int omap_dmic_read(struct omap_dmic *dmic, u16 reg)
 {
-	return __raw_readl(dmic->io_base + reg);
+	return readl_relaxed(dmic->io_base + reg);
 }
 
 static inline void omap_dmic_start(struct omap_dmic *dmic)
@@ -114,7 +114,6 @@
 
 	mutex_unlock(&dmic->mutex);
 
-	snd_soc_dai_set_dma_data(dai, substream, &dmic->dma_data);
 	return ret;
 }
 
@@ -418,6 +417,9 @@
 
 	/* Configure DMIC threshold value */
 	dmic->threshold = OMAP_DMIC_THRES_MAX - 3;
+
+	snd_soc_dai_init_dma_data(dai, NULL, &dmic->dma_data);
+
 	return 0;
 }
 
@@ -464,7 +466,7 @@
 
 	mutex_init(&dmic->mutex);
 
-	dmic->fclk = clk_get(dmic->dev, "fck");
+	dmic->fclk = devm_clk_get(dmic->dev, "fck");
 	if (IS_ERR(dmic->fclk)) {
 		dev_err(dmic->dev, "cant get fck\n");
 		return -ENODEV;
@@ -473,50 +475,27 @@
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma");
 	if (!res) {
 		dev_err(dmic->dev, "invalid dma memory resource\n");
-		ret = -ENODEV;
-		goto err_put_clk;
+		return -ENODEV;
 	}
 	dmic->dma_data.addr = res->start + OMAP_DMIC_DATA_REG;
 
-	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!res) {
-		dev_err(dmic->dev, "invalid dma resource\n");
-		ret = -ENODEV;
-		goto err_put_clk;
-	}
-
-	dmic->dma_req = res->start;
-	dmic->dma_data.filter_data = &dmic->dma_req;
+	dmic->dma_data.filter_data = "up_link";
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
-	if (!res) {
-		dev_err(dmic->dev, "invalid memory resource\n");
-		ret = -ENODEV;
-		goto err_put_clk;
-	}
-
 	dmic->io_base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(dmic->io_base))
 		return PTR_ERR(dmic->io_base);
 
-	ret = snd_soc_register_component(&pdev->dev, &omap_dmic_component,
-					 &omap_dmic_dai, 1);
-	if (ret)
-		goto err_put_clk;
-
-	return 0;
 
-err_put_clk:
-	clk_put(dmic->fclk);
-	return ret;
-}
-
-static int asoc_dmic_remove(struct platform_device *pdev)
-{
-	struct omap_dmic *dmic = platform_get_drvdata(pdev);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &omap_dmic_component,
+					      &omap_dmic_dai, 1);
+	if (ret)
+		return ret;
 
-	snd_soc_unregister_component(&pdev->dev);
-	clk_put(dmic->fclk);
+	ret = omap_pcm_platform_register(&pdev->dev);
+	if (ret)
+		return ret;
 
 	return 0;
 }
@@ -530,11 +509,9 @@
 static struct platform_driver asoc_dmic_driver = {
 	.driver = {
 		.name = "omap-dmic",
-		.owner = THIS_MODULE,
 		.of_match_table = omap_dmic_of_match,
 	},
 	.probe = asoc_dmic_probe,
-	.remove = asoc_dmic_remove,
 };
 
 module_platform_driver(asoc_dmic_driver);