[deliverable/linux.git] / sound / soc / fsl / imx-wm8962.c

/*
 * Copyright 2013 Freescale Semiconductor, Inc.
 *
 * Based on imx-sgtl5000.c
 * Copyright 2012 Freescale Semiconductor, Inc.
 * Copyright 2012 Linaro Ltd.
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <linux/pinctrl/consumer.h>

#include "../codecs/wm8962.h"
#include "imx-audmux.h"

#define DAI_NAME_SIZE	32

struct imx_wm8962_data {
	struct snd_soc_dai_link dai;
	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;
};
static struct imx_priv card_priv;

static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_MIC("AMIC", NULL),
	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);

	return 0;
}

static struct snd_soc_ops imx_hifi_ops = {
	.hw_params = imx_hifi_hw_params,
};

static int imx_wm8962_set_bias_level(struct snd_soc_card *card,
					struct snd_soc_dapm_context *dapm,
					enum snd_soc_bias_level level)
{
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	struct imx_priv *priv = &card_priv;
	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
	struct device *dev = &priv->pdev->dev;
	unsigned int pll_out;
	int ret;

	if (dapm->dev != codec_dai->dev)
		return 0;

	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;
			else
				pll_out = sample_rate * 256;

			ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
					WM8962_FLL_MCLK, data->clk_frequency,
					pll_out);
			if (ret < 0) {
				dev_err(dev, "failed to start FLL: %d\n", ret);
				return ret;
			}

			ret = snd_soc_dai_set_sysclk(codec_dai,
					WM8962_SYSCLK_FLL, pll_out,
					SND_SOC_CLOCK_IN);
			if (ret < 0) {
				dev_err(dev, "failed to set SYSCLK: %d\n", ret);
				return ret;
			}
		}
		break;

	case SND_SOC_BIAS_STANDBY:
		if (dapm->bias_level == SND_SOC_BIAS_PREPARE) {
			ret = snd_soc_dai_set_sysclk(codec_dai,
					WM8962_SYSCLK_MCLK, data->clk_frequency,
					SND_SOC_CLOCK_IN);
			if (ret < 0) {
				dev_err(dev,
					"failed to switch away from FLL: %d\n",
					ret);
				return ret;
			}

			ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
					0, 0, 0);
			if (ret < 0) {
				dev_err(dev, "failed to stop FLL: %d\n", ret);
				return ret;
			}
		}
		break;

	default:
		break;
	}

	return 0;
}

static int imx_wm8962_late_probe(struct snd_soc_card *card)
{
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	struct imx_priv *priv = &card_priv;
	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
	struct device *dev = &priv->pdev->dev;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
			data->clk_frequency, SND_SOC_CLOCK_IN);
	if (ret < 0)
		dev_err(dev, "failed to set sysclk in %s\n", __func__);

	return ret;
}

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;
	int int_port, ext_port;
	int ret;

	priv->pdev = pdev;

	ret = of_property_read_u32(np, "mux-int-port", &int_port);
	if (ret) {
		dev_err(&pdev->dev, "mux-int-port missing or invalid\n");
		return ret;
	}
	ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
	if (ret) {
		dev_err(&pdev->dev, "mux-ext-port missing or invalid\n");
		return ret;
	}

	/*
	 * The port numbering in the hardware manual starts at 1, while
	 * the audmux API expects it starts at 0.
	 */
	int_port--;
	ext_port--;
	ret = imx_audmux_v2_configure_port(int_port,
			IMX_AUDMUX_V2_PTCR_SYN |
			IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
			IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
			IMX_AUDMUX_V2_PTCR_TFSDIR |
			IMX_AUDMUX_V2_PTCR_TCLKDIR,
			IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
	if (ret) {
		dev_err(&pdev->dev, "audmux internal port setup failed\n");
		return ret;
	}
	imx_audmux_v2_configure_port(ext_port,
			IMX_AUDMUX_V2_PTCR_SYN,
			IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
	if (ret) {
		dev_err(&pdev->dev, "audmux external port setup failed\n");
		return ret;
	}

	ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0);
	codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
	if (!ssi_np || !codec_np) {
		dev_err(&pdev->dev, "phandle missing or invalid\n");
		ret = -EINVAL;
		goto fail;
	}

	ssi_pdev = of_find_device_by_node(ssi_np);
	if (!ssi_pdev) {
		dev_err(&pdev->dev, "failed to find SSI platform device\n");
		ret = -EINVAL;
		goto fail;
	}
	codec_dev = of_find_i2c_device_by_node(codec_np);
	if (!codec_dev || !codec_dev->dev.driver) {
		dev_err(&pdev->dev, "failed to find codec platform device\n");
		ret = -EINVAL;
		goto fail;
	}

	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
	if (!data) {
		ret = -ENOMEM;
		goto fail;
	}

	data->codec_clk = devm_clk_get(&codec_dev->dev, NULL);
	if (IS_ERR(data->codec_clk)) {
		ret = PTR_ERR(data->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->dai.name = "HiFi";
	data->dai.stream_name = "HiFi";
	data->dai.codec_dai_name = "wm8962";
	data->dai.codec_of_node = codec_np;
	data->dai.cpu_dai_name = dev_name(&ssi_pdev->dev);
	data->dai.platform_of_node = ssi_np;
	data->dai.ops = &imx_hifi_ops;
	data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			    SND_SOC_DAIFMT_CBM_CFM;

	data->card.dev = &pdev->dev;
	ret = snd_soc_of_parse_card_name(&data->card, "model");
	if (ret)
		goto clk_fail;
	ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
	if (ret)
		goto clk_fail;
	data->card.num_links = 1;
	data->card.owner = THIS_MODULE;
	data->card.dai_link = &data->dai;
	data->card.dapm_widgets = imx_wm8962_dapm_widgets;
	data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets);

	data->card.late_probe = imx_wm8962_late_probe;
	data->card.set_bias_level = imx_wm8962_set_bias_level;

	platform_set_drvdata(pdev, &data->card);
	snd_soc_card_set_drvdata(&data->card, data);

	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;
	}

	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);

	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 */ }
};
MODULE_DEVICE_TABLE(of, imx_wm8962_dt_ids);

static struct platform_driver imx_wm8962_driver = {
	.driver = {
		.name = "imx-wm8962",
		.pm = &snd_soc_pm_ops,
		.of_match_table = imx_wm8962_dt_ids,
	},
	.probe = imx_wm8962_probe,
	.remove = imx_wm8962_remove,
};
module_platform_driver(imx_wm8962_driver);

MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:imx-wm8962");
Commit	Line	Data
8de2ae2a NC	1	/*
	2	* Copyright 2013 Freescale Semiconductor, Inc.
	3	*
	4	* Based on imx-sgtl5000.c
	5	* Copyright 2012 Freescale Semiconductor, Inc.
	6	* Copyright 2012 Linaro Ltd.
	7	*
	8	* The code contained herein is licensed under the GNU General Public
	9	* License. You may obtain a copy of the GNU General Public License
	10	* Version 2 or later at the following locations:
	11	*
	12	* http://www.opensource.org/licenses/gpl-license.html
	13	* http://www.gnu.org/copyleft/gpl.html
	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/of_platform.h>
687b81d0	18	#include <linux/i2c.h>
8de2ae2a NC	19	#include <linux/slab.h>
	20	#include <linux/clk.h>
	21	#include <sound/soc.h>
	22	#include <sound/pcm_params.h>
	23	#include <sound/soc-dapm.h>
	24	#include <linux/pinctrl/consumer.h>
	25
	26	#include "../codecs/wm8962.h"
	27	#include "imx-audmux.h"
	28
	29	#define DAI_NAME_SIZE 32
	30
	31	struct imx_wm8962_data {
	32	struct snd_soc_dai_link dai;
	33	struct snd_soc_card card;
	34	char codec_dai_name[DAI_NAME_SIZE];
	35	char platform_name[DAI_NAME_SIZE];
	36	struct clk *codec_clk;
	37	unsigned int clk_frequency;
	38	};
	39
	40	struct imx_priv {
	41	struct platform_device *pdev;
	42	};
	43	static struct imx_priv card_priv;
	44
	45	static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = {
	46	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	47	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	48	SND_SOC_DAPM_MIC("AMIC", NULL),
	49	SND_SOC_DAPM_MIC("DMIC", NULL),
	50	};
	51
	52	static int sample_rate = 44100;
	53	static snd_pcm_format_t sample_format = SNDRV_PCM_FORMAT_S16_LE;
	54
	55	static int imx_hifi_hw_params(struct snd_pcm_substream *substream,
	56	struct snd_pcm_hw_params *params)
	57	{
	58	sample_rate = params_rate(params);
	59	sample_format = params_format(params);
	60
	61	return 0;
	62	}
	63
	64	static struct snd_soc_ops imx_hifi_ops = {
	65	.hw_params = imx_hifi_hw_params,
	66	};
	67
	68	static int imx_wm8962_set_bias_level(struct snd_soc_card *card,
	69	struct snd_soc_dapm_context *dapm,
	70	enum snd_soc_bias_level level)
	71	{
	72	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	73	struct imx_priv *priv = &card_priv;
47cf84e1	74	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
8de2ae2a NC	75	struct device *dev = &priv->pdev->dev;
	76	unsigned int pll_out;
	77	int ret;
	78
	79	if (dapm->dev != codec_dai->dev)
	80	return 0;
	81
	82	switch (level) {
	83	case SND_SOC_BIAS_PREPARE:
	84	if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
	85	if (sample_format == SNDRV_PCM_FORMAT_S24_LE)
	86	pll_out = sample_rate * 384;
	87	else
	88	pll_out = sample_rate * 256;
	89
	90	ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
	91	WM8962_FLL_MCLK, data->clk_frequency,
	92	pll_out);
	93	if (ret < 0) {
	94	dev_err(dev, "failed to start FLL: %d\n", ret);
	95	return ret;
	96	}
	97
	98	ret = snd_soc_dai_set_sysclk(codec_dai,
	99	WM8962_SYSCLK_FLL, pll_out,
	100	SND_SOC_CLOCK_IN);
	101	if (ret < 0) {
	102	dev_err(dev, "failed to set SYSCLK: %d\n", ret);
	103	return ret;
	104	}
	105	}
	106	break;
	107
	108	case SND_SOC_BIAS_STANDBY:
	109	if (dapm->bias_level == SND_SOC_BIAS_PREPARE) {
	110	ret = snd_soc_dai_set_sysclk(codec_dai,
	111	WM8962_SYSCLK_MCLK, data->clk_frequency,
	112	SND_SOC_CLOCK_IN);
	113	if (ret < 0) {
	114	dev_err(dev,
	115	"failed to switch away from FLL: %d\n",
	116	ret);
	117	return ret;
	118	}
	119
	120	ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
	121	0, 0, 0);
	122	if (ret < 0) {
	123	dev_err(dev, "failed to stop FLL: %d\n", ret);
	124	return ret;
	125	}
	126	}
	127	break;
	128
	129	default:
	130	break;
	131	}
	132
8de2ae2a NC	133	return 0;
	134	}
	135
	136	static int imx_wm8962_late_probe(struct snd_soc_card *card)
	137	{
	138	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	139	struct imx_priv *priv = &card_priv;
47cf84e1	140	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
8de2ae2a NC	141	struct device *dev = &priv->pdev->dev;
	142	int ret;
	143
	144	ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
	145	data->clk_frequency, SND_SOC_CLOCK_IN);
	146	if (ret < 0)
	147	dev_err(dev, "failed to set sysclk in %s\n", __func__);
	148
	149	return ret;
	150	}
	151
	152	static int imx_wm8962_probe(struct platform_device *pdev)
	153	{
	154	struct device_node *np = pdev->dev.of_node;
	155	struct device_node ssi_np, codec_np;
	156	struct platform_device *ssi_pdev;
	157	struct imx_priv *priv = &card_priv;
	158	struct i2c_client *codec_dev;
	159	struct imx_wm8962_data *data;
	160	int int_port, ext_port;
	161	int ret;
	162
	163	priv->pdev = pdev;
	164
	165	ret = of_property_read_u32(np, "mux-int-port", &int_port);
	166	if (ret) {
	167	dev_err(&pdev->dev, "mux-int-port missing or invalid\n");
	168	return ret;
	169	}
	170	ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
	171	if (ret) {
	172	dev_err(&pdev->dev, "mux-ext-port missing or invalid\n");
	173	return ret;
	174	}
	175
	176	/*
	177	* The port numbering in the hardware manual starts at 1, while
	178	* the audmux API expects it starts at 0.
	179	*/
	180	int_port--;
	181	ext_port--;
	182	ret = imx_audmux_v2_configure_port(int_port,
	183	IMX_AUDMUX_V2_PTCR_SYN \|
	184	IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) \|
	185	IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) \|
	186	IMX_AUDMUX_V2_PTCR_TFSDIR \|
	187	IMX_AUDMUX_V2_PTCR_TCLKDIR,
	188	IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
	189	if (ret) {
	190	dev_err(&pdev->dev, "audmux internal port setup failed\n");
	191	return ret;
	192	}
	193	imx_audmux_v2_configure_port(ext_port,
	194	IMX_AUDMUX_V2_PTCR_SYN,
	195	IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
	196	if (ret) {
	197	dev_err(&pdev->dev, "audmux external port setup failed\n");
	198	return ret;
	199	}
	200
	201	ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0);
	202	codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
	203	if (!ssi_np \|\| !codec_np) {
	204	dev_err(&pdev->dev, "phandle missing or invalid\n");
205	ret = -EINVAL;
206	goto fail;
207	}
208
209	ssi_pdev = of_find_device_by_node(ssi_np);
210	if (!ssi_pdev) {
211	dev_err(&pdev->dev, "failed to find SSI platform device\n");
212	ret = -EINVAL;
213	goto fail;
214	}
215	codec_dev = of_find_i2c_device_by_node(codec_np);
40df2499	216	if (!codec_dev \|\| !codec_dev->dev.driver) {
8de2ae2a	217	dev_err(&pdev->dev, "failed to find codec platform device\n");
d8a14e30 FE	218	ret = -EINVAL;
d8a14e30 FE	219	goto fail;
8de2ae2a NC	220	}
	221
	222	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
	223	if (!data) {
	224	ret = -ENOMEM;
	225	goto fail;
	226	}
	227
	228	data->codec_clk = devm_clk_get(&codec_dev->dev, NULL);
	229	if (IS_ERR(data->codec_clk)) {
	230	ret = PTR_ERR(data->codec_clk);
	231	dev_err(&codec_dev->dev, "failed to get codec clk: %d\n", ret);
	232	goto fail;
	233	}
	234
	235	data->clk_frequency = clk_get_rate(data->codec_clk);
	236	ret = clk_prepare_enable(data->codec_clk);
	237	if (ret) {
	238	dev_err(&codec_dev->dev, "failed to enable codec clk: %d\n", ret);
	239	goto fail;
	240	}
	241
	242	data->dai.name = "HiFi";
	243	data->dai.stream_name = "HiFi";
	244	data->dai.codec_dai_name = "wm8962";
	245	data->dai.codec_of_node = codec_np;
	246	data->dai.cpu_dai_name = dev_name(&ssi_pdev->dev);
	247	data->dai.platform_of_node = ssi_np;
	248	data->dai.ops = &imx_hifi_ops;
	249	data->dai.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	250	SND_SOC_DAIFMT_CBM_CFM;
	251
	252	data->card.dev = &pdev->dev;
	253	ret = snd_soc_of_parse_card_name(&data->card, "model");
	254	if (ret)
	255	goto clk_fail;
	256	ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
	257	if (ret)
	258	goto clk_fail;
	259	data->card.num_links = 1;
0984f341	260	data->card.owner = THIS_MODULE;
8de2ae2a NC	261	data->card.dai_link = &data->dai;
	262	data->card.dapm_widgets = imx_wm8962_dapm_widgets;
	263	data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets);
	264
	265	data->card.late_probe = imx_wm8962_late_probe;
	266	data->card.set_bias_level = imx_wm8962_set_bias_level;
	267
47cf84e1 SG	268	platform_set_drvdata(pdev, &data->card);
	269	snd_soc_card_set_drvdata(&data->card, data);
	270
eafbae29	271	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
8de2ae2a NC	272	if (ret) {
	273	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
	274	goto clk_fail;
	275	}
	276
8de2ae2a NC	277	of_node_put(ssi_np);
	278	of_node_put(codec_np);
	279
	280	return 0;
	281
	282	clk_fail:
ea8e5e59	283	clk_disable_unprepare(data->codec_clk);
8de2ae2a	284	fail:
051c77e5 FE	285	of_node_put(ssi_np);
051c77e5 FE	286	of_node_put(codec_np);
8de2ae2a NC	287
	288	return ret;
	289	}
	290
	291	static int imx_wm8962_remove(struct platform_device *pdev)
	292	{
47cf84e1 SG	293	struct snd_soc_card *card = platform_get_drvdata(pdev);
47cf84e1 SG	294	struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card);
8de2ae2a NC	295
	296	if (!IS_ERR(data->codec_clk))
	297	clk_disable_unprepare(data->codec_clk);
8de2ae2a NC	298
	299	return 0;
	300	}
	301
	302	static const struct of_device_id imx_wm8962_dt_ids[] = {
	303	{ .compatible = "fsl,imx-audio-wm8962", },
	304	{ /* sentinel */ }
	305	};
	306	MODULE_DEVICE_TABLE(of, imx_wm8962_dt_ids);
	307
	308	static struct platform_driver imx_wm8962_driver = {
	309	.driver = {
	310	.name = "imx-wm8962",
1abe729f	311	.pm = &snd_soc_pm_ops,
8de2ae2a NC	312	.of_match_table = imx_wm8962_dt_ids,
	313	},
	314	.probe = imx_wm8962_probe,
	315	.remove = imx_wm8962_remove,
	316	};
	317	module_platform_driver(imx_wm8962_driver);
	318
	319	MODULE_AUTHOR("Freescale Semiconductor, Inc.");
	320	MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver");
	321	MODULE_LICENSE("GPL v2");
	322	MODULE_ALIAS("platform:imx-wm8962");