Merge "asoc: use virt_sndcard_ctl node for sndcard status update"

#include <linux/slab.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/miscdevice.h>

#include <linux/input.h>

#include <linux/of_device.h>

#include <linux/pm_qos.h>

#include <sound/info.h>

#include <dsp/audio_notifier.h>

#include "msm_dailink.h"

#include <soc/qcom/subsystem_restart.h>

#include <soc/qcom/subsystem_notif.h>

#include <soc/qcom/boot_stats.h>

	pdata->common_pdata = common_pdata;

}

static int auto_spf_dummy_ssr_cb(struct notifier_block *this,

				unsigned long code,

				void *data)

#define AUTO_VIRT_SNDCARD_ONLINE 0

#define AUTO_VIRT_SNDCARD_OFFLINE 1

static long virt_sndcard_ioctl(struct file *f,

			unsigned int cmd, unsigned long arg)

{

	int ret = 0;

	struct snd_soc_card *card = platform_get_drvdata(spdev);

	switch (code) {

	case SUBSYS_BEFORE_SHUTDOWN:

	switch (cmd) {

	case AUTO_VIRT_SNDCARD_OFFLINE:

		snd_soc_card_change_online_state(card, 0); // change sndcard status to OFFLINE

		dev_info(&spdev->dev, "ssr restart, mark sndcard offline\n");

	break;

	case SUBSYS_AFTER_POWERUP:

	case AUTO_VIRT_SNDCARD_ONLINE:

		snd_soc_card_change_online_state(card, 1); // change sndcard status to ONLINE

		dev_info(&spdev->dev, "ssr complete, mark sndcard online\n");

	break;

	default:

		pr_err("%s: ioctl not found\n", __func__);

		ret = -EFAULT;

	break;

	}

	return 0;

	return ret;

}

static struct notifier_block auto_spf_dummy_ssr_notifier = {

	.notifier_call = auto_spf_dummy_ssr_cb,

static const struct file_operations virt_sndcard_ctl_fops = {

		.owner = THIS_MODULE,

		.unlocked_ioctl = virt_sndcard_ioctl,

};

static struct miscdevice virt_sndcard_ctl_misc = {

		.minor	= MISC_DYNAMIC_MINOR,

		.name	= "virt_sndcard_ctl",

		.fops	= &virt_sndcard_ctl_fops,

};

static int msm_asoc_machine_probe(struct platform_device *pdev)

	spdev = pdev;

	subsys_notif_register_notifier("adsp", &auto_spf_dummy_ssr_notifier);

	dev_info(&pdev->dev, "Audio driver register for SSR complete\n");

	ret = misc_register(&virt_sndcard_ctl_misc);

	if (ret) {

		pr_err("Audio virtual sndcard ctrl register fail, ret=%d\n", ret);

	}

	dev_info(&pdev->dev, "Audio virtual sndcard ctrl register complete\n");

	return 0;

err:

static int msm_asoc_machine_remove(struct platform_device *pdev)

{

	misc_deregister(&virt_sndcard_ctl_misc);

	return 0;

}