iMX.6Q

iMX.6Q

 imx-ssi-wm8960.c  dai link驱动源码，基本没修改，主要修改probe里面的，int_port和ext_port。

#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/i2c.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/clk.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/control.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <linux/pinctrl/consumer.h>
#include <linux/mfd/syscon.h>
#include "../codecs/wm8960.h"
#include "imx-audmux.h"struct imx_wm8960_data {enum of_gpio_flags hp_active_low;enum of_gpio_flags mic_active_low;bool is_headset_jack;struct platform_device *pdev;struct platform_device *asrc_pdev;struct snd_soc_card card;struct clk *codec_clk;unsigned int clk_frequency;bool is_codec_master;bool is_codec_rpmsg;bool is_playback_only;bool is_capture_only;bool is_stream_in_use[2];bool is_stream_opened[2];struct regmap *gpr;unsigned int hp_det[2];u32 asrc_rate;u32 asrc_format;struct snd_soc_jack imx_hp_jack;struct snd_soc_jack_pin imx_hp_jack_pin;struct snd_soc_jack_gpio imx_hp_jack_gpio;struct snd_soc_jack imx_mic_jack;struct snd_soc_jack_pin imx_mic_jack_pin;struct snd_soc_jack_gpio imx_mic_jack_gpio;
};static int hp_jack_status_check(void *data)
{struct imx_wm8960_data *imx_data = (struct imx_wm8960_data *)data;struct snd_soc_jack *jack = &imx_data->imx_hp_jack;struct snd_soc_dapm_context *dapm = &jack->card->dapm;int hp_status, ret;hp_status = gpio_get_value_cansleep(imx_data->imx_hp_jack_gpio.gpio);if (hp_status != imx_data->hp_active_low) {snd_soc_dapm_disable_pin(dapm, "Ext Spk");if (imx_data->is_headset_jack) {snd_soc_dapm_enable_pin(dapm, "Mic Jack");snd_soc_dapm_disable_pin(dapm, "Main MIC");}ret = imx_data->imx_hp_port;} else {snd_soc_dapm_enable_pin(dapm, "Ext Spk");if (imx_data->is_headset_jack) {snd_soc_dapm_disable_pin(dapm, "Mic Jack");snd_soc_dapm_enable_pin(dapm, "Main MIC");}ret = 0;}return ret;
}static int mic_jack_status_check(void *data)
{struct imx_wm8960_data *imx_data = (struct imx_wm8960_data *)data;struct snd_soc_jack *jack = &imx_data->imx_mic_jack;struct snd_soc_dapm_context *dapm = &jack->card->dapm;int mic_status, ret;mic_status = gpio_get_value_cansleep(imx_data->imx_mic_jack_gpio.gpio);if (mic_status != imx_data->mic_active_low) {snd_soc_dapm_disable_pin(dapm, "Main MIC");ret = imx_data->imx_mic_port;} else {snd_soc_dapm_enable_pin(dapm, "Main MIC");ret = 0;}return ret;
}static const struct snd_soc_dapm_widget imx_wm8960_dapm_widgets[] = {SND_SOC_DAPM_HP("Headphone Jack", NULL),SND_SOC_DAPM_SPK("Ext Spk", NULL),SND_SOC_DAPM_MIC("Mic Jack", NULL),SND_SOC_DAPM_MIC("Main MIC", NULL),
};static int imx_wm8960_jack_init(struct snd_soc_card *card,struct snd_soc_jack *jack, struct snd_soc_jack_pin *pin,struct snd_soc_jack_gpio *gpio)
{int ret;ret = snd_soc_card_jack_new(card, pin->pin, pin->mask, jack, pin, 1);if (ret) {return ret;}ret = snd_soc_jack_add_gpios(jack, 1, gpio);if (ret)return ret;return 0;
}static ssize_t headphone_show(struct device *dev,struct device_attribute *attr, char *buf)
{struct snd_soc_card *card = dev_get_drvdata(dev);struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);int hp_status;/* Check if headphone is plugged in */hp_status = gpio_get_value_cansleep(data->imx_hp_jack_gpio.gpio);if (hp_status != data->hp_active_low)strcpy(buf, "Headphonen");elsestrcpy(buf, "Speakern");return strlen(buf);
}static ssize_t micphone_show(struct device *dev,struct device_attribute *attr, char *buf)
{struct snd_soc_card *card = dev_get_drvdata(dev);struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);int mic_status;/* Check if headphone is plugged in */mic_status = gpio_get_value_cansleep(data->imx_mic_jack_gpio.gpio);if (mic_status != data->mic_active_low)strcpy(buf, "Mic Jackn");elsestrcpy(buf, "Main MICn");return strlen(buf);
}
static DEVICE_ATTR_RO(headphone);
static DEVICE_ATTR_RO(micphone);static int imx_hifi_hw_params(struct snd_pcm_substream *substream,struct snd_pcm_hw_params *params)
{struct snd_soc_pcm_runtime *rtd = substream->private_data;struct snd_soc_dai *codec_dai = rtd->codec_dai;struct snd_soc_dai *cpu_dai = rtd->cpu_dai;struct snd_soc_card *card = rtd->card;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;struct device *dev = card->dev;unsigned int sample_rate = params_rate(params);unsigned int pll_out;unsigned int fmt;int ret = 0;data->is_stream_in_use[tx] = true;if (data->is_stream_in_use[!tx])return 0;if (data->is_codec_master)fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |SND_SOC_DAIFMT_CBM_CFM;elsefmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |SND_SOC_DAIFMT_CBS_CFS;/* set cpu DAI configuration */ret = snd_soc_dai_set_fmt(cpu_dai, fmt);if (ret) {dev_err(dev, "failed to set cpu dai fmt: %dn", ret);return ret;}/* set codec DAI configuration */ret = snd_soc_dai_set_fmt(codec_dai, fmt);if (ret) {dev_err(dev, "failed to set codec dai fmt: %dn", ret);return ret;}printk("data->is_codec_master=%d;n",data->is_codec_master);if (!data->is_codec_master) {ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, params_width(params));if (ret) {dev_err(dev, "failed to set cpu dai tdm slot: %dn", ret);return ret;}ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT);if (ret) {dev_err(dev, "!data->is_codec_master=slave mode, failed to set cpu sysclk: %d,-EINVAL=%dn", ret, -EINVAL);return ret;}return 0;} else {ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_IN);if (ret) {dev_err(dev, "data->is_codec_master failed to set cpu sysclk: %d, -EINVAL=%dn", ret, -EINVAL);return ret;}}data->clk_frequency = clk_get_rate(data->codec_clk);/* Set codec pll */if (params_width(params) == 24)pll_out = sample_rate * 768;elsepll_out = sample_rate * 512;ret = snd_soc_dai_set_pll(codec_dai, WM8960_SYSCLK_AUTO, 0, data->clk_frequency, pll_out);if (ret)return ret;ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_SYSCLK_AUTO, pll_out, 0);return ret;
}static int imx_hifi_hw_free(struct snd_pcm_substream *substream)
{struct snd_soc_pcm_runtime *rtd = substream->private_data;struct snd_soc_dai *codec_dai = rtd->codec_dai;struct snd_soc_card *card = rtd->card;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;struct device *dev = card->dev;int ret;data->is_stream_in_use[tx] = false;if (data->is_codec_master && !data->is_stream_in_use[!tx]) {ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF);if (ret)dev_warn(dev, "failed to set codec dai fmt: %dn", ret);}return 0;
}static u32 imx_wm8960_rates[] = { 8000, 16000, 32000, 48000 };
static struct snd_pcm_hw_constraint_list imx_wm8960_rate_constraints = {.count = ARRAY_SIZE(imx_wm8960_rates),.list = imx_wm8960_rates,
};static int imx_hifi_startup(struct snd_pcm_substream *substream)
{struct snd_soc_pcm_runtime *rtd = substream->private_data;struct snd_soc_dai *cpu_dai = rtd->cpu_dai;struct snd_soc_card *card = rtd->card;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev);int ret = 0;//data->is_stream_opened[tx] = true; //Edit by yuanbinif (data->is_stream_opened[tx] != sai->is_stream_opened[tx] ||data->is_stream_opened[!tx] != sai->is_stream_opened[!tx]) {data->is_stream_opened[tx] = false;return -EBUSY;}if (!data->is_codec_master) {ret = snd_pcm_hw_constraint_list(substream->runtime, 0,SNDRV_PCM_HW_PARAM_RATE, &imx_wm8960_rate_constraints);if (ret)return ret;}
#if 0	//add by yuanb	ret = clk_prepare_enable(data->codec_clk);if(ret){dev_err(card->dev, "Failed to enable MCLK: %dn", ret);}
#endifreturn ret;
}static void imx_hifi_shutdown(struct snd_pcm_substream *substream)
{struct snd_soc_pcm_runtime *rtd = substream->private_data;struct snd_soc_card *card = rtd->card;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;data->is_stream_opened[tx] = false;
}static struct snd_soc_ops imx_hifi_ops = {.hw_params = imx_hifi_hw_params,.hw_free = imx_hifi_hw_free,.startup   = imx_hifi_startup,.shutdown  = imx_hifi_shutdown,
};static int imx_wm8960_late_probe(struct snd_soc_card *card)
{struct snd_soc_pcm_runtime *rtd = list_first_entry(&card->rtd_list, struct snd_soc_pcm_runtime, list);struct snd_soc_dai *codec_dai = rtd->codec_dai;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);/** codec ADCLRC pin configured as GPIO, DACLRC pin is used as a frame* clock for ADCs and DACs*/snd_soc_component_update_bits(codec_dai->component, WM8960_IFACE2, 1<<6, 1<<6);/* GPIO1 used as headphone detect output */snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL4, 7<<4, 3<<4);/* Enable headphone jack detect */snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL2, 1<<6, 1<<6);snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL2, 1<<5, data->hp_det[1]<<5);snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL4, 3<<2, data->hp_det[0]<<2);snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL1, 3, 3);return 0;
}static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,struct snd_pcm_hw_params *params)
{struct snd_soc_card *card = rtd->card;struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);struct snd_interval *rate;struct snd_mask *mask;if (!data->asrc_pdev)return -EINVAL;rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);rate->max = rate->min = data->asrc_rate;mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);snd_mask_none(mask);snd_mask_set(mask, data->asrc_format);return 0;
}SND_SOC_DAILINK_DEFS(hifi,DAILINK_COMP_ARRAY(COMP_EMPTY()),DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),DAILINK_COMP_ARRAY(COMP_EMPTY()));SND_SOC_DAILINK_DEFS(hifi_fe,DAILINK_COMP_ARRAY(COMP_EMPTY()),DAILINK_COMP_ARRAY(COMP_DUMMY()),DAILINK_COMP_ARRAY(COMP_EMPTY()));SND_SOC_DAILINK_DEFS(hifi_be,DAILINK_COMP_ARRAY(COMP_EMPTY()),DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),DAILINK_COMP_ARRAY(COMP_DUMMY()));static struct snd_soc_dai_link imx_wm8960_dai[] = {{.name = "HiFi",.stream_name = "HiFi",.ops = &imx_hifi_ops,SND_SOC_DAILINK_REG(hifi),},{.name = "HiFi-ASRC-FE",.stream_name = "HiFi-ASRC-FE",.dynamic = 1,.ignore_pmdown_time = 1,.dpcm_playback = 1,.dpcm_capture = 1,.dpcm_merged_chan = 1,SND_SOC_DAILINK_REG(hifi_fe),},{.name = "HiFi-ASRC-BE",.stream_name = "HiFi-ASRC-BE",.no_pcm = 1,.ignore_pmdown_time = 1,.dpcm_playback = 1,.dpcm_capture = 1,.ops = &imx_hifi_ops,.be_hw_params_fixup = be_hw_params_fixup,SND_SOC_DAILINK_REG(hifi_be),},
};static int of_parse_gpr(struct platform_device *pdev,struct imx_wm8960_data *data)
{int ret;struct of_phandle_args args;printk("[imx-wm8960] enter of_n");if (of_device_is_compatible(pdev->dev.of_node,"fsl,imx-audio-wm8960"))return 0;ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,"gpr", 3, 0, &args);if (ret) {dev_warn(&pdev->dev, "failed to get gpr propertyn");return ret;}data->gpr = syscon_node_to_regmap(args.np);if (IS_ERR(data->gpr)) {ret = PTR_ERR(data->gpr);dev_err(&pdev->dev, "failed to get gpr regmapn");return ret;}regmap_update_bits(data->gpr, args.args[0], args.args[1],args.args[2]);return 0;
}static int imx_wm8960_probe(struct platform_device *pdev)
{struct device_node *cpu_np = NULL, *codec_np = NULL;struct platform_device *cpu_pdev;struct imx_wm8960_data *data;struct platform_device *asrc_pdev = NULL;struct device_node *asrc_np;u32 width;int ret;struct device_node *np = pdev->dev.of_node;int int_port, ext_port, tmp_port;data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);if (!data) {ret = -ENOMEM;goto fail;}data->pdev = pdev;data->imx_hp_jack_pin.pin = "Headphone Jack";data->imx_hp_jack_pin.mask = SND_JACK_HEADPHONE;data->imx_hp_jack_gpio.name = "headphone detect";data->imx_hp_port = SND_JACK_HEADPHONE;data->imx_hp_jack_gpio.debounce_time = 250;data->imx_hp_jack_gpio.invert = 0;data->imx_mic_jack_pin.pin = "Mic Jack";data->imx_mic_jack_pin.mask = SND_JACK_MICROPHONE;data->imx_mic_jack_gpio.name = "mic detect";data->imx_mic_port = SND_JACK_MICROPHONE;data->imx_mic_jack_gpio.debounce_time = 250;data->imx_mic_jack_gpio.invert = 0;//move codec-master detect at here for ini_port & ext_portif (of_property_read_bool(pdev->dev.of_node, "codec-master"))data->is_codec_master = true;//add startret = of_property_read_u32(np, "mux-int-port", &int_port);if (ret) {dev_err(&pdev->dev, "mux-int-port missing or invalidn");goto fail;}ret = of_property_read_u32(np, "mux-ext-port", &ext_port);if (ret) {dev_err(&pdev->dev, "mux-ext-port missing or invalidn");goto fail;}/** The port numbering in the hardware manual starts at 1, while* the audmux API expects it starts at 0.*/int_port--;ext_port--;if (data->is_codec_master) {tmp_port = int_port;int_port = ext_port;ext_port = tmp_port;}ret = imx_audmux_v2_configure_port(ext_port,IMX_AUDMUX_V2_PTCR_SYN |IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |IMX_AUDMUX_V2_PTCR_TFSDIR |IMX_AUDMUX_V2_PTCR_TCLKDIR,IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));if (ret) {dev_err(&pdev->dev, "audmux internal port setup failedn");goto fail;}ret = imx_audmux_v2_configure_port(int_port,IMX_AUDMUX_V2_PTCR_SYN,IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));if (ret) {dev_err(&pdev->dev, "audmux external port setup failedn");goto fail;}
//end addif (of_property_read_bool(pdev->dev.of_node, "codec-rpmsg"))data->is_codec_rpmsg = true;cpu_np = of_parse_phandle(pdev->dev.of_node, "cpu-dai", 0);if (!cpu_np) {dev_err(&pdev->dev, "cpu dai phandle missing or invalidn");ret = -EINVAL;goto fail;}cpu_pdev = of_find_device_by_node(cpu_np);if (!cpu_pdev) {dev_err(&pdev->dev, "failed to find SAI platform devicen");ret = -EINVAL;goto fail;}codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);if (!codec_np) {dev_err(&pdev->dev, "phandle missing or invalidn");ret = -EINVAL;goto fail;}if (data->is_codec_rpmsg) {struct platform_device *codec_dev;codec_dev = of_find_device_by_node(codec_np);if (!codec_dev || !codec_dev->dev.driver) {dev_err(&pdev->dev, "failed to find codec platform devicen");ret = -EINVAL;goto fail;}data->codec_clk = devm_clk_get(&codec_dev->dev, "mclk");if (IS_ERR(data->codec_clk)) {ret = PTR_ERR(data->codec_clk);dev_err(&pdev->dev, "failed to get codec clk: %dn", ret);goto fail;}} else {struct i2c_client *codec_dev;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 devicen");ret = -EPROBE_DEFER;goto fail;}data->codec_clk = devm_clk_get(&codec_dev->dev, "mclk");if (IS_ERR(data->codec_clk)) {ret = PTR_ERR(data->codec_clk);dev_err(&pdev->dev, "failed to get codec clk: %dn", ret);goto fail;}}if (of_property_read_bool(pdev->dev.of_node, "capture-only"))data->is_capture_only = true;if (of_property_read_bool(pdev->dev.of_node, "playback-only"))data->is_playback_only = true;if (data->is_capture_only && data->is_playback_only) {ret = -EINVAL;dev_err(&pdev->dev, "failed for playback only and capture onlyn");goto fail;}if (data->is_capture_only) {imx_wm8960_dai[0].capture_only = true;imx_wm8960_dai[1].capture_only = true;imx_wm8960_dai[2].capture_only = true;}if (data->is_playback_only) {imx_wm8960_dai[0].playback_only = true;imx_wm8960_dai[1].playback_only = true;imx_wm8960_dai[2].playback_only = true;}ret = of_parse_gpr(pdev, data);if (ret){goto fail;}of_property_read_u32_array(pdev->dev.of_node, "hp-det", data->hp_det, 2);asrc_np = of_parse_phandle(pdev->dev.of_node, "asrc-controller", 0);if (asrc_np) {asrc_pdev = of_find_device_by_node(asrc_np);data->asrc_pdev = asrc_pdev;}data->card.dai_link = imx_wm8960_dai;if (data->is_codec_rpmsg) {imx_wm8960_dai[0].codecs->name     = "rpmsg-audio-codec-wm8960";imx_wm8960_dai[0].codecs->dai_name = "rpmsg-wm8960-hifi";} elseimx_wm8960_dai[0].codecs->of_node	= codec_np;imx_wm8960_dai[0].cpus->dai_name = dev_name(&cpu_pdev->dev);imx_wm8960_dai[0].platforms->of_node = cpu_np;if (!asrc_pdev) {data->card.num_links = 1;} else {imx_wm8960_dai[1].cpus->of_node = asrc_np;imx_wm8960_dai[1].platforms->of_node = asrc_np;if (data->is_codec_rpmsg) {imx_wm8960_dai[2].codecs->name     = "rpmsg-audio-codec-wm8960";imx_wm8960_dai[2].codecs->dai_name = "rpmsg-wm8960-hifi";} elseimx_wm8960_dai[2].codecs->of_node	= codec_np;imx_wm8960_dai[2].cpus->dai_name = dev_name(&cpu_pdev->dev);data->card.num_links = 3;ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",&data->asrc_rate);if (ret) {dev_err(&pdev->dev, "failed to get output raten");ret = -EINVAL;goto fail;}ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width);if (ret) {dev_err(&pdev->dev, "failed to get output raten");ret = -EINVAL;goto fail;}if (width == 24)data->asrc_format = SNDRV_PCM_FORMAT_S24_LE;elsedata->asrc_format = SNDRV_PCM_FORMAT_S16_LE;}data->card.dev = &pdev->dev;data->card.owner = THIS_MODULE;ret = snd_soc_of_parse_card_name(&data->card, "model");if (ret){dev_err(&pdev->dev, "snd_soc_of_parse_card_name failed (%d)n", ret);goto fail;}data->card.dapm_widgets = imx_wm8960_dapm_widgets;data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8960_dapm_widgets);ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");if (ret){dev_err(&pdev->dev, "snd_soc_of_parse_audio_routing failed (%d)n", ret);goto fail;}data->card.late_probe = imx_wm8960_late_probe;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 fail;}data->imx_hp_jack_gpio.gpio = of_get_named_gpio_flags(pdev->dev.of_node,"hp-det-gpios", 0,&data->hp_active_low);data->imx_mic_jack_gpio.gpio = of_get_named_gpio_flags(pdev->dev.of_node,"mic-det-gpios", 0,&data->mic_active_low);if (gpio_is_valid(data->imx_hp_jack_gpio.gpio) &&gpio_is_valid(data->imx_mic_jack_gpio.gpio) &&data->imx_hp_jack_gpio.gpio == data->imx_mic_jack_gpio.gpio)data->is_headset_jack = true;if (gpio_is_valid(data->imx_hp_jack_gpio.gpio)) {if (data->is_headset_jack) {data->imx_hp_jack_pin.mask |= SND_JACK_MICROPHONE;data->imx_hp_port |= SND_JACK_MICROPHONE;}data->imx_hp_jack_gpio.jack_status_check = hp_jack_status_check;data->imx_hp_jack_gpio.data = data;ret = imx_wm8960_jack_init(&data->card, &data->imx_hp_jack,&data->imx_hp_jack_pin, &data->imx_hp_jack_gpio);if (ret) {dev_warn(&pdev->dev, "hp jack init failed (%d)n", ret);goto out;}ret = device_create_file(&pdev->dev, &dev_attr_headphone);if (ret)dev_warn(&pdev->dev, "create hp attr failed (%d)n", ret);}if (gpio_is_valid(data->imx_mic_jack_gpio.gpio)) {if (!data->is_headset_jack) {data->imx_mic_jack_gpio.jack_status_check = mic_jack_status_check;data->imx_mic_jack_gpio.data = data;ret = imx_wm8960_jack_init(&data->card, &data->imx_mic_jack,&data->imx_mic_jack_pin, &data->imx_mic_jack_gpio);if (ret) {dev_warn(&pdev->dev, "mic jack init failed (%d)n", ret);goto out;}}ret = device_create_file(&pdev->dev, &dev_attr_micphone);if (ret)dev_warn(&pdev->dev, "create mic attr failed (%d)n", ret);}out:ret = 0;printk("probe out and write ret=0;n");
fail:if (cpu_np){dev_warn(&pdev->dev, "fail->of_node_put(cpu_np)n");of_node_put(cpu_np);}if (codec_np){dev_warn(&pdev->dev, "fail->of_node_put(codec_np)n");of_node_put(codec_np);}return ret;
}static int imx_wm8960_remove(struct platform_device *pdev)
{device_remove_file(&pdev->dev, &dev_attr_micphone);device_remove_file(&pdev->dev, &dev_attr_headphone);return 0;
}static const struct of_device_id imx_wm8960_dt_ids[] = {{ patible = "fsl,imx-audio-wm8960", },{ patible = "fsl,imx7d-evk-wm8960"  },{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, imx_wm8960_dt_ids);static struct platform_driver imx_wm8960_driver = {.driver = {.name = "imx-wm8960",.pm = &snd_soc_pm_ops,.of_match_table = imx_wm8960_dt_ids,},.probe = imx_wm8960_probe,.remove = imx_wm8960_remove,
};
module_platform_driver(imx_wm8960_driver);MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("Freescale i.MX WM8960 ASoC machine driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:imx-wm8960");