1 files changed, 36 insertions, 34 deletions

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index c0d92813..2a1b1b5 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -9,14 +9,12 @@
  * published by the Free Software Foundation.
  */
 #include <linux/clk.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
-#include <linux/module.h>
+#include <linux/string.h>
 #include <sound/simple_card.h>
 
-#define asoc_simple_get_card_info(p) \
-	container_of(p->dai_link, struct asoc_simple_card_info, snd_link)
-
 static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
 				       struct asoc_simple_dai *set,
 				       unsigned int daifmt)
@@ -41,7 +39,8 @@ static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
 
 static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct asoc_simple_card_info *info = asoc_simple_get_card_info(rtd);
+	struct asoc_simple_card_info *info =
+				snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *codec = rtd->codec_dai;
 	struct snd_soc_dai *cpu = rtd->cpu_dai;
 	unsigned int daifmt = info->daifmt;
@@ -106,12 +105,8 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
 				     &dai->sysclk);
 	} else {
 		clk = of_clk_get(*node, 0);
-		if (IS_ERR(clk)) {
-			ret = PTR_ERR(clk);
-			goto parse_error;
-		}
-
-		dai->sysclk = clk_get_rate(clk);
+		if (!IS_ERR(clk))
+			dai->sysclk = clk_get_rate(clk);
 	}
 
 	ret = 0;
@@ -138,10 +133,12 @@ static int asoc_simple_card_parse_of(struct device_node *node,
 		(SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);
 
 	/* DAPM routes */
-	ret = snd_soc_of_parse_audio_routing(&info->snd_card,
-					"simple-audio-routing");
-	if (ret)
-		return ret;
+	if (of_property_read_bool(node, "simple-audio-card,routing")) {
+		ret = snd_soc_of_parse_audio_routing(&info->snd_card,
+					"simple-audio-card,routing");
+		if (ret)
+			return ret;
+	}
 
 	/* CPU sub-node */
 	ret = -EINVAL;
@@ -197,34 +194,37 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct device_node *of_cpu, *of_codec, *of_platform;
 	struct device *dev = &pdev->dev;
+	int ret;
 
 	cinfo		= NULL;
 	of_cpu		= NULL;
 	of_codec	= NULL;
 	of_platform	= NULL;
+
+	cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL);
+	if (!cinfo)
+		return -ENOMEM;
+
 	if (np && of_device_is_available(np)) {
-		cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL);
-		if (cinfo) {
-			int ret;
-			cinfo->snd_card.dev = &pdev->dev;
-			ret = asoc_simple_card_parse_of(np, cinfo, dev,
-							&of_cpu,
-							&of_codec,
-							&of_platform);
-			if (ret < 0) {
-				if (ret != -EPROBE_DEFER)
-					dev_err(dev, "parse error %d\n", ret);
-				return ret;
-			}
+		cinfo->snd_card.dev = dev;
+
+		ret = asoc_simple_card_parse_of(np, cinfo, dev,
+						&of_cpu,
+						&of_codec,
+						&of_platform);
+		if (ret < 0) {
+			if (ret != -EPROBE_DEFER)
+				dev_err(dev, "parse error %d\n", ret);
+			return ret;
 		}
 	} else {
-		cinfo->snd_card.dev = &pdev->dev;
-		cinfo = pdev->dev.platform_data;
-	}
+		if (!dev->platform_data) {
+			dev_err(dev, "no info for asoc-simple-card\n");
+			return -EINVAL;
+		}
 
-	if (!cinfo) {
-		dev_err(dev, "no info for asoc-simple-card\n");
-		return -EINVAL;
+		memcpy(cinfo, dev->platform_data, sizeof(*cinfo));
+		cinfo->snd_card.dev = dev;
 	}
 
 	if (!cinfo->name	||
@@ -259,6 +259,8 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	cinfo->snd_card.dai_link	= &cinfo->snd_link;
 	cinfo->snd_card.num_links	= 1;
 
+	snd_soc_card_set_drvdata(&cinfo->snd_card, cinfo);
+
 	return devm_snd_soc_register_card(&pdev->dev, &cinfo->snd_card);
 }