C++ snd_soc_jack_new函数代码示例

static int tobermory_late_probe(struct snd_soc_card *card)
{
	struct snd_soc_codec *codec = card->rtd[0].codec;
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
				     32768, SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	ret = snd_soc_jack_new(codec, "Headset",
			       SND_JACK_HEADSET | SND_JACK_BTN_0,
			       &tobermory_headset);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&tobermory_headset,
				    ARRAY_SIZE(tobermory_headset_pins),
				    tobermory_headset_pins);
	if (ret)
		return ret;

	wm8962_mic_detect(codec, &tobermory_headset);

	return 0;
}

static int littlemill_late_probe(struct snd_soc_card *card)
{
    struct snd_soc_codec *codec = card->rtd[0].codec;
    struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
    int ret;

    ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2,
                                 32768, SND_SOC_CLOCK_IN);
    if (ret < 0)
        return ret;

    ret = snd_soc_jack_new(codec, "Headset",
                           SND_JACK_HEADSET | SND_JACK_MECHANICAL |
                           SND_JACK_BTN_0 | SND_JACK_BTN_1 |
                           SND_JACK_BTN_2 | SND_JACK_BTN_3 |
                           SND_JACK_BTN_4 | SND_JACK_BTN_5,
                           &littlemill_headset);
    if (ret)
        return ret;

    /* This will check device compatibility itself */
    wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL);

    /* As will this */
    wm8994_mic_detect(codec, &littlemill_headset, 1);

    return 0;
}

static int alc5623_dai_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_jack_gpio *jack = &jack_gpio;
	int ret;

	pr_debug("%s: %s\n", __func__, jack->name);

	alc5623 = codec;

	if (NULL == jack->name)
		return 0;

#if defined(CONFIG_PLAT_S5P4418_NBOX)
	/***************************************/
	// [email protected], 20140609 Testing
	/***************************************/
	ret = switch_dev_register(&switch_nxl_jack_detection);
	if (ret < 0) {
		printk("%s : Failed to register switch device\n", __func__);
	}
	//wake_lock_init(&detect_jack_wake_lock, WAKE_LOCK_SUSPEND, "nxl_jack_detect");
#endif

	ret = snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, &hp_jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_gpios(&hp_jack, 1, jack);
	printk("%s: %s register audio jack detect, %d\n", ret?"Fail":"Done", __func__, jack->gpio);

	return 0;
}

/*
 * Initialization routine.
 */
static int acclaim_aic3100_init (struct snd_soc_pcm_runtime *pcm)
{
	struct snd_soc_codec *codec = pcm->codec;
	int gpiostatus;

        DBG(KERN_INFO  "acclaim_aic3100_init..\n");

	gpiostatus = snd_soc_jack_new(codec, "Headset Jack",
				      SND_JACK_HEADSET, &hs_jack);
	if (gpiostatus != 0) {
		printk (KERN_ERR "snd_soc_jack_new failed(%d)\n", gpiostatus);
        }

	gpiostatus = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
					   hs_jack_pins);
	if (gpiostatus != 0) {
		printk (KERN_ERR"snd_soc_jack_add_pins failed(%d)\n",
			gpiostatus);
        }

	gpiostatus = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
					    hs_jack_gpios);

        if (gpiostatus != 0)
		printk (KERN_ERR "snd_soc_jack_add_gpios failed..%d\n",
			gpiostatus);

	/* For our Driver, the Codec Driver itself manages the POP
	*  polling and hence
	* we will reset the ALSA pmdown_time to zero.
	*/
	pcm->pmdown_time = 0;
	return 0;
}

static int smartq_wm8987_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err = 0;

	/* set endpoints to not connected */
	snd_soc_dapm_nc_pin(dapm, "LINPUT1");
	snd_soc_dapm_nc_pin(dapm, "RINPUT1");
	snd_soc_dapm_nc_pin(dapm, "OUT3");
	snd_soc_dapm_nc_pin(dapm, "ROUT1");

	/* set endpoints to default off mode */
	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");

	/* Headphone jack detection */
	err = snd_soc_jack_new(codec, "Headphone Jack",
			       SND_JACK_HEADPHONE, &smartq_jack);
	if (err)
		return err;

	err = snd_soc_jack_add_pins(&smartq_jack, ARRAY_SIZE(smartq_jack_pins),
				    smartq_jack_pins);
	if (err)
		return err;

	err = snd_soc_jack_add_gpios(&smartq_jack,
				     ARRAY_SIZE(smartq_jack_gpios),
				     smartq_jack_gpios);

	return err;
}

static int msm8930_audrx_init(struct snd_soc_pcm_runtime *rtd)
{
	int err;
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;

	pr_debug("%s()\n", __func__);

	snd_soc_dapm_new_controls(dapm, msm8930_dapm_widgets,
				ARRAY_SIZE(msm8930_dapm_widgets));

	snd_soc_dapm_add_routes(dapm, common_audio_map,
		ARRAY_SIZE(common_audio_map));

	snd_soc_dapm_enable_pin(dapm, "Ext Spk Left Pos");
	snd_soc_dapm_enable_pin(dapm, "Ext Spk Left Neg");

	snd_soc_dapm_sync(dapm);

	err = snd_soc_jack_new(codec, "Headset Jack",
		(SND_JACK_HEADSET | SND_JACK_OC_HPHL | SND_JACK_OC_HPHR),
		&hs_jack);
	if (err) {
		pr_err("failed to create new jack\n");
		return err;
	}

	err = snd_soc_jack_new(codec, "Button Jack",
				SITAR_JACK_BUTTON_MASK, &button_jack);
	if (err) {
		pr_err("failed to create new jack\n");
		return err;
	}
	codec_clk = clk_get(cpu_dai->dev, "osr_clk");

	mbhc_cfg.gpio = 37;
	mbhc_cfg.gpio_irq = gpio_to_irq(mbhc_cfg.gpio);
	sitar_hs_detect(codec, &mbhc_cfg);

	if (socinfo_get_pmic_model() != PMIC_MODEL_PM8917) {
		/* Initialize default PMIC speaker gain */
		pm8xxx_spk_gain(DEFAULT_PMIC_SPK_GAIN);
	}

	return 0;
}

static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int ret;

	/* Add SDP4430 specific controls */
	ret = snd_soc_add_controls(codec, sdp4430_controls,
				ARRAY_SIZE(sdp4430_controls));
	if (ret)
		return ret;

	/* Add SDP4430 specific widgets */
	ret = snd_soc_dapm_new_controls(codec->dapm, sdp4430_twl6040_dapm_widgets,
				ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
	if (ret)
		return ret;

	/* Set up SDP4430 specific audio path audio_map */
	snd_soc_dapm_add_routes(codec->dapm, audio_map, ARRAY_SIZE(audio_map));

	/* SDP4430 connected pins */
	snd_soc_dapm_enable_pin(codec->dapm, "Ext Mic");
	snd_soc_dapm_enable_pin(codec->dapm, "Ext Spk");
	snd_soc_dapm_enable_pin(codec->dapm, "AFML");
	snd_soc_dapm_enable_pin(codec->dapm, "AFMR");
	snd_soc_dapm_disable_pin(codec->dapm, "Headset Mic");
	snd_soc_dapm_disable_pin(codec->dapm, "Headset Stereophone");

	/* allow audio paths from the audio modem to run during suspend */
	snd_soc_dapm_ignore_suspend(codec, "Ext Mic");
	snd_soc_dapm_ignore_suspend(codec, "Ext Spk");
	snd_soc_dapm_ignore_suspend(codec, "AFML");
	snd_soc_dapm_ignore_suspend(codec, "AFMR");
	snd_soc_dapm_ignore_suspend(codec, "Headset Mic");
	snd_soc_dapm_ignore_suspend(codec, "Headset Stereophone");

	ret = snd_soc_dapm_sync(codec->dapm);
	if (ret)
		return ret;

	/*Headset jack detection */
	ret = snd_soc_jack_new(codec, "Headset Jack",
				SND_JACK_HEADSET, &hs_jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				hs_jack_pins);

	if (machine_is_omap_4430sdp())
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	else
		snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);

	/* wait 500 ms before switching of HS power */
	rtd->pmdown_time = 500;

	return ret;
}

static int rt3261_codec_init(struct snd_soc_pcm_runtime *rtd)
{
    struct snd_soc_codec *codec = rtd->codec;
    //struct snd_soc_dai *codec_dai = rtd->codec_dai;
    struct snd_soc_dapm_context *dapm = &codec->dapm;
    int ret = 0;

    dprintk(KERN_DEBUG "enter %s rt3261_snd_pdata: %p\n", __func__, rt3261_snd_pdata);

    /* Add specific widgets */
    snd_soc_dapm_new_controls(dapm, rt3261_dapm_widgets,
                  ARRAY_SIZE(rt3261_dapm_widgets));
    /* Set up specific audio path interconnects */
    snd_soc_dapm_add_routes(dapm, rt3261_dapm_intercon, ARRAY_SIZE(rt3261_dapm_intercon));
#if 0 //we have 3g, so do not set endpoint,add jf.s
    /* Setup spk/hp/mono output */
    rt3261_set_output(codec);

    /* Setuo mic input */
    rt3261_set_input(codec);
#endif
    /* not connected */
    snd_soc_dapm_nc_pin(dapm, "MONO");
    snd_soc_dapm_nc_pin(dapm, "AUXO2");

    snd_soc_dapm_nc_pin(dapm, "DMIC");
    snd_soc_dapm_nc_pin(dapm, "AXIL");
    snd_soc_dapm_nc_pin(dapm, "AXIR");

    /* always connected */
    snd_soc_dapm_enable_pin(dapm, "Ext Spk");

    /* disable connected */
    snd_soc_dapm_disable_pin(dapm, "HP");

    snd_soc_dapm_sync(dapm);

#if HP_DET
    ret = snd_soc_jack_new(codec, "hp switch", SND_JACK_HEADPHONE, &rt3261_snd_priv->jack);
    if (ret) {
        printk(KERN_WARNING "Failed to alloc resource for hp switch\n");
    } else {
        ret = snd_soc_jack_add_pins(&rt3261_snd_priv->jack, ARRAY_SIZE(jack_pins), jack_pins);
        if (ret) {
            dprintk(KERN_WARNING "Failed to setup hp pins\n");
        }
    }
    rt3261_snd_priv->data= (void*)codec;

    init_timer(&rt3261_snd_priv->timer);
    rt3261_snd_priv->timer.function = rt3261_timer_func;
    rt3261_snd_priv->timer.data = (unsigned long)rt3261_snd_priv;

    INIT_WORK(&rt3261_snd_priv->work, rt3261_work_func);
    mutex_init(&rt3261_snd_priv->lock);
#endif

    return 0;
}

static int aml_m1_codec_init(struct snd_soc_codec *codec)
{
    struct snd_soc_card *card = codec->socdev->card;

    int err;
    //Add board specific DAPM widgets and routes
    err = snd_soc_dapm_new_controls(codec, aml_m1_dapm_widgets, ARRAY_SIZE(aml_m1_dapm_widgets));
    if(err){
        dev_warn(card->dev, "Failed to register DAPM widgets\n");
        return 0;
    }

    err = snd_soc_dapm_add_routes(codec, intercon,
        ARRAY_SIZE(intercon));
    if(err){
        dev_warn(card->dev, "Failed to setup dapm widgets routine\n");
        return 0;
    }

#if HP_DET
    if ((soc_cs42l52_dai.ac97_pdata) && ((struct cs42l52_platform_data *) (soc_cs42l52_dai.ac97_pdata))->is_hp_pluged)
        hp_detect_flag = ((struct cs42l52_platform_data *) (soc_cs42l52_dai.ac97_pdata))->is_hp_pluged() ? (0) : (1);
    else
        hp_detect_flag = 1; // If is_hp_pluged function is not registered in bsp, set speaker as default.

    err = snd_soc_jack_new(card, "hp_switch",
        SND_JACK_HEADSET, &hp_jack);
    if(err){
        dev_warn(card->dev, "Failed to alloc resource for hook switch\n");
    }else{
        err = snd_soc_jack_add_pins(&hp_jack, ARRAY_SIZE(hp_jack_pins), hp_jack_pins);
        if(err){
            dev_warn(card->dev, "Failed to setup hook hp jack pin\n");
        }
    }

    // create a timer to poll the HP IN status
    spin_lock_init(&lock);
    timer.function = &cs42l52_hp_detect_timer;
    timer.data = (unsigned long)codec;
    timer.expires = jiffies + HZ*10;
    init_timer(&timer);
    INIT_WORK(&cs42l52_work.cs42l52_workqueue, cs42l52_hp_detect_queue);
#endif

    snd_soc_dapm_nc_pin(codec,"LINPUT1");
    snd_soc_dapm_nc_pin(codec,"RINPUT1");

    snd_soc_dapm_enable_pin(codec, "Ext Spk");
    snd_soc_dapm_disable_pin(codec, "HP");
    snd_soc_dapm_enable_pin(codec, "MIC IN");
    snd_soc_dapm_disable_pin(codec, "HP MIC");
    snd_soc_dapm_disable_pin(codec, "FM IN");

    snd_soc_dapm_sync(codec);

    return 0;
}

static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	/* Add SDP3430 specific widgets */
	ret = snd_soc_dapm_new_controls(dapm, sdp3430_twl4030_dapm_widgets,
				ARRAY_SIZE(sdp3430_twl4030_dapm_widgets));
	if (ret)
		return ret;

	/* Set up SDP3430 specific audio path audio_map */
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	/* SDP3430 connected pins */
	snd_soc_dapm_enable_pin(dapm, "Ext Mic");
	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
	snd_soc_dapm_disable_pin(dapm, "Headset Mic");
	snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");

	/* TWL4030 not connected pins */
	snd_soc_dapm_nc_pin(dapm, "AUXL");
	snd_soc_dapm_nc_pin(dapm, "AUXR");
	snd_soc_dapm_nc_pin(dapm, "CARKITMIC");
	snd_soc_dapm_nc_pin(dapm, "DIGIMIC0");
	snd_soc_dapm_nc_pin(dapm, "DIGIMIC1");

	snd_soc_dapm_nc_pin(dapm, "OUTL");
	snd_soc_dapm_nc_pin(dapm, "OUTR");
	snd_soc_dapm_nc_pin(dapm, "EARPIECE");
	snd_soc_dapm_nc_pin(dapm, "PREDRIVEL");
	snd_soc_dapm_nc_pin(dapm, "PREDRIVER");
	snd_soc_dapm_nc_pin(dapm, "CARKITL");
	snd_soc_dapm_nc_pin(dapm, "CARKITR");

	ret = snd_soc_dapm_sync(dapm);
	if (ret)
		return ret;

	/* Headset jack detection */
	ret = snd_soc_jack_new(codec, "Headset Jack",
				SND_JACK_HEADSET, &hs_jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				hs_jack_pins);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	return ret;
}

static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	int ret = 0;

	/* Headset jack detection only if it is supported */
	if (priv->jack_detect > 0) {
		hs_jack_gpios[0].gpio = priv->jack_detect;

		ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
				       &priv->hs_jack);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_pins(&priv->hs_jack,
					    ARRAY_SIZE(hs_jack_pins),
					    hs_jack_pins);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_gpios(&priv->hs_jack,
					     ARRAY_SIZE(hs_jack_gpios),
					     hs_jack_gpios);
		if (ret)
			return ret;
	}

	/*
	 * NULL pdata means we booted with DT. In this case the routing is
	 * provided and the card is fully routed, no need to mark pins.
	 */
	if (!pdata || !pdata->custom_routing)
		return ret;

	/* Disable not connected paths if not used */
	twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
	twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
	twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
	twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");

	twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
	twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
	twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
	twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
	twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
	twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");

	return ret;
}

static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
{
    struct simple_card_data *priv =	snd_soc_card_get_drvdata(rtd->card);
    struct snd_soc_dai *codec = rtd->codec_dai;
    struct snd_soc_dai *cpu = rtd->cpu_dai;
    struct simple_dai_props *dai_props;
    int num, ret;

    num = rtd - rtd->card->rtd;
    dai_props = &priv->dai_props[num];
    ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai);
    if (ret < 0)
        return ret;

    ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai);
    if (ret < 0)
        return ret;

    if (gpio_is_valid(priv->gpio_hp_det)) {
        snd_soc_jack_new(codec->codec, "Headphones", SND_JACK_HEADPHONE,
                         &simple_card_hp_jack);
        snd_soc_jack_add_pins(&simple_card_hp_jack,
                              ARRAY_SIZE(simple_card_hp_jack_pins),
                              simple_card_hp_jack_pins);

        simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
        snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
                               &simple_card_hp_jack_gpio);
    }

    if (gpio_is_valid(priv->gpio_mic_det)) {
        snd_soc_jack_new(codec->codec, "Mic Jack", SND_JACK_MICROPHONE,
                         &simple_card_mic_jack);
        snd_soc_jack_add_pins(&simple_card_mic_jack,
                              ARRAY_SIZE(simple_card_mic_jack_pins),
                              simple_card_mic_jack_pins);
        simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
        snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
                               &simple_card_mic_jack_gpio);
    }
    return 0;
}

static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = &card->dapm;
	int ret;
	/* Codec is ready, now add/activate board specific controls */

	/* Store a pointer to the codec structure for tty ldisc use */
	cx20442_codec = rtd->codec;

	/* Set up digital mute if not provided by the codec */
	if (!codec_dai->driver->ops) {
		codec_dai->driver->ops = &ams_delta_dai_ops;
	} else {
		ams_delta_ops.startup = ams_delta_startup;
		ams_delta_ops.shutdown = ams_delta_shutdown;
	}

	/* Add hook switch - can be used to control the codec from userspace
	 * even if line discipline fails */
	ret = snd_soc_jack_new(rtd->codec, "hook_switch",
				SND_JACK_HEADSET, &ams_delta_hook_switch);
	if (ret)
		dev_warn(card->dev,
				"Failed to allocate resources for hook switch, "
				"will continue without one.\n");
	else {
		ret = snd_soc_jack_add_gpios(&ams_delta_hook_switch,
					ARRAY_SIZE(ams_delta_hook_switch_gpios),
					ams_delta_hook_switch_gpios);
		if (ret)
			dev_warn(card->dev,
				"Failed to set up hook switch GPIO line, "
				"will continue with hook switch inactive.\n");
	}

	/* Register optional line discipline for over the modem control */
	ret = tty_register_ldisc(N_V253, &cx81801_ops);
	if (ret) {
		dev_warn(card->dev,
				"Failed to register line discipline, "
				"will continue without any controls.\n");
		return 0;
	}

	/* Set up initial pin constellation */
	snd_soc_dapm_disable_pin(dapm, "Mouthpiece");
	snd_soc_dapm_disable_pin(dapm, "Speaker");
	snd_soc_dapm_disable_pin(dapm, "AGCIN");
	snd_soc_dapm_disable_pin(dapm, "AGCOUT");

	return 0;
}

static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int err;

	/* add palm27x specific widgets */
	err = snd_soc_dapm_new_controls(codec, palm27x_dapm_widgets,
				ARRAY_SIZE(palm27x_dapm_widgets));
	if (err)
		return err;

	/* set up palm27x specific audio path audio_map */
	err = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
	if (err)
		return err;

	/* connected pins */
	if (machine_is_palmld())
		snd_soc_dapm_enable_pin(codec, "MIC1");
	snd_soc_dapm_enable_pin(codec, "HPOUTL");
	snd_soc_dapm_enable_pin(codec, "HPOUTR");
	snd_soc_dapm_enable_pin(codec, "LOUT2");
	snd_soc_dapm_enable_pin(codec, "ROUT2");

	/* not connected pins */
	snd_soc_dapm_nc_pin(codec, "OUT3");
	snd_soc_dapm_nc_pin(codec, "MONOOUT");
	snd_soc_dapm_nc_pin(codec, "LINEINL");
	snd_soc_dapm_nc_pin(codec, "LINEINR");
	snd_soc_dapm_nc_pin(codec, "PCBEEP");
	snd_soc_dapm_nc_pin(codec, "PHONE");
	snd_soc_dapm_nc_pin(codec, "MIC2");

	err = snd_soc_dapm_sync(codec);
	if (err)
		return err;

	/* Jack detection API stuff */
	err = snd_soc_jack_new(codec, "Headphone Jack",
				SND_JACK_HEADPHONE, &hs_jack);
	if (err)
		return err;

	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				hs_jack_pins);
	if (err)
		return err;

	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	return err;
}

/*
 * omap4_aic31xx_init
 * This function is to initialize the machine Driver.
 */
static int omap4_aic31xx_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret = 0;
//	int gpiostatus;

	printk(KERN_INFO "entered the omap4_aic31xx_init function....\n");

	/* Add OMAP4 specific widgets */
	ret = snd_soc_dapm_new_controls(dapm, omap4_aic31xx_dapm_widgets,
					ARRAY_SIZE(omap4_aic31xx_dapm_widgets));
	if (ret) {
		printk(KERN_INFO "snd_soc_dapm_new_controls failed.\n");
		return ret;
	}
	DBG("snd_soc_dapm_new_controls passed..\n");

	/* Set up OMAP4 specific audio path audio_map */
	ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	if (ret != 0)
		printk(KERN_INFO "snd_soc_dapm_add_routes failed..%d\n", ret);

	ret = snd_soc_dapm_sync(dapm);
	if (ret != 0) {
		printk(KERN_INFO "snd_soc_dapm_sync failed... %d\n", ret);
		return ret;
	}

	/* Headset jack detection */
	ret = snd_soc_jack_new(codec, "Headset Jack",
			       SND_JACK_HEADSET, &hs_jack);
	if (ret != 0) {
		printk(KERN_INFO "snd_soc_jack_new failed...\n");
		return ret;
	}

	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				    hs_jack_pins);
	if (ret != 0) {
		printk(KERN_INFO "snd_soc_jack_add_pins failed... %d\n", ret);
		return ret;
	}

	ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				     hs_jack_gpios);


	DBG("%s: Exiting\n", __func__);
	return ret;
}