1 files changed, 28 insertions, 44 deletions

diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c
index 1b60958e2080..206b898e554c 100644
--- a/sound/soc/fsl/imx-wm8962.c
+++ b/sound/soc/fsl/imx-wm8962.c
@@ -33,14 +33,14 @@ struct imx_wm8962_data {
 	struct snd_soc_card card;
 	char codec_dai_name[DAI_NAME_SIZE];
 	char platform_name[DAI_NAME_SIZE];
-	struct clk *codec_clk;
 	unsigned int clk_frequency;
 };
 
 struct imx_priv {
 	struct platform_device *pdev;
+	int sample_rate;
+	snd_pcm_format_t sample_format;
 };
-static struct imx_priv card_priv;
 
 static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
@@ -49,14 +49,14 @@ static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = {
 	SND_SOC_DAPM_MIC("DMIC", NULL),
 };
 
-static int sample_rate = 44100;
-static snd_pcm_format_t sample_format = SNDRV_PCM_FORMAT_S16_LE;
-
 static int imx_hifi_hw_params(struct snd_pcm_substream *substream,
 		struct snd_pcm_hw_params *params)
 {
-	sample_rate = params_rate(params);
-	sample_format = params_format(params);
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct imx_priv *priv = snd_soc_card_get_drvdata(rtd->card);
+
+	priv->sample_rate = params_rate(params);
+	priv->sample_format = params_format(params);
 
 	return 0;
 }
@@ -71,7 +71,7 @@ static int imx_wm8962_set_bias_level(struct snd_soc_card *card,
 {
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai *codec_dai;
-	struct imx_priv *priv = &card_priv;
+	struct imx_priv *priv = snd_soc_card_get_drvdata(card);
 	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
 	struct device *dev = &priv->pdev->dev;
 	unsigned int pll_out;
@@ -85,10 +85,10 @@ static int imx_wm8962_set_bias_level(struct snd_soc_card *card,
 	switch (level) {
 	case SND_SOC_BIAS_PREPARE:
 		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
-			if (sample_format == SNDRV_PCM_FORMAT_S24_LE)
-				pll_out = sample_rate * 384;
+			if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
+				pll_out = priv->sample_rate * 384;
 			else
-				pll_out = sample_rate * 256;
+				pll_out = priv->sample_rate * 256;
 
 			ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
 					WM8962_FLL_MCLK, data->clk_frequency,
@@ -140,7 +140,7 @@ static int imx_wm8962_late_probe(struct snd_soc_card *card)
 {
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai *codec_dai;
-	struct imx_priv *priv = &card_priv;
+	struct imx_priv *priv = snd_soc_card_get_drvdata(card);
 	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
 	struct device *dev = &priv->pdev->dev;
 	int ret;
@@ -160,13 +160,20 @@ static int imx_wm8962_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct device_node *ssi_np, *codec_np;
 	struct platform_device *ssi_pdev;
-	struct imx_priv *priv = &card_priv;
 	struct i2c_client *codec_dev;
 	struct imx_wm8962_data *data;
+	struct imx_priv *priv;
+	struct clk *codec_clk;
 	int int_port, ext_port;
 	int ret;
 
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
 	priv->pdev = pdev;
+	priv->sample_rate = 44100;
+	priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
 
 	ret = of_property_read_u32(np, "mux-int-port", &int_port);
 	if (ret) {
@@ -231,19 +238,15 @@ static int imx_wm8962_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
-	data->codec_clk = devm_clk_get(&codec_dev->dev, NULL);
-	if (IS_ERR(data->codec_clk)) {
-		ret = PTR_ERR(data->codec_clk);
+	codec_clk = clk_get(&codec_dev->dev, NULL);
+	if (IS_ERR(codec_clk)) {
+		ret = PTR_ERR(codec_clk);
 		dev_err(&codec_dev->dev, "failed to get codec clk: %d\n", ret);
 		goto fail;
 	}
 
-	data->clk_frequency = clk_get_rate(data->codec_clk);
-	ret = clk_prepare_enable(data->codec_clk);
-	if (ret) {
-		dev_err(&codec_dev->dev, "failed to enable codec clk: %d\n", ret);
-		goto fail;
-	}
+	data->clk_frequency = clk_get_rate(codec_clk);
+	clk_put(codec_clk);
 
 	data->dai.name = "HiFi";
 	data->dai.stream_name = "HiFi";
@@ -258,10 +261,10 @@ static int imx_wm8962_probe(struct platform_device *pdev)
 	data->card.dev = &pdev->dev;
 	ret = snd_soc_of_parse_card_name(&data->card, "model");
 	if (ret)
-		goto clk_fail;
+		goto fail;
 	ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
 	if (ret)
-		goto clk_fail;
+		goto fail;
 	data->card.num_links = 1;
 	data->card.owner = THIS_MODULE;
 	data->card.dai_link = &data->dai;
@@ -277,16 +280,9 @@ static int imx_wm8962_probe(struct platform_device *pdev)
 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
-		goto clk_fail;
+		goto fail;
 	}
 
-	of_node_put(ssi_np);
-	of_node_put(codec_np);
-
-	return 0;
-
-clk_fail:
-	clk_disable_unprepare(data->codec_clk);
 fail:
 	of_node_put(ssi_np);
 	of_node_put(codec_np);
@@ -294,17 +290,6 @@ fail:
 	return ret;
 }
 
-static int imx_wm8962_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
-
-	if (!IS_ERR(data->codec_clk))
-		clk_disable_unprepare(data->codec_clk);
-
-	return 0;
-}
-
 static const struct of_device_id imx_wm8962_dt_ids[] = {
 	{ .compatible = "fsl,imx-audio-wm8962", },
 	{ /* sentinel */ }
@@ -318,7 +303,6 @@ static struct platform_driver imx_wm8962_driver = {
 		.of_match_table = imx_wm8962_dt_ids,
 	},
 	.probe = imx_wm8962_probe,
-	.remove = imx_wm8962_remove,
 };
 module_platform_driver(imx_wm8962_driver);