/*
   * soc-devres.c  --  ALSA SoC Audio Layer devres functions
   *
   * Copyright (C) 2013 Linaro Ltd
   *
   *  This program is free software; you can redistribute  it and/or modify it
   *  under  the terms of  the GNU General  Public License as published by the
   *  Free Software Foundation;  either version 2 of the  License, or (at your
   *  option) any later version.
   */
  
  #include <linux/module.h>
  #include <linux/moduleparam.h>
  #include <sound/soc.h>

  #include <sound/dmaengine_pcm.h>

  
  static void devm_component_release(struct device *dev, void *res)
  {
  	snd_soc_unregister_component(*(struct device **)res);
  }
  
  /**
   * devm_snd_soc_register_component - resource managed component registration
   * @dev: Device used to manage component
   * @cmpnt_drv: Component driver
   * @dai_drv: DAI driver
   * @num_dai: Number of DAIs to register
   *
   * Register a component with automatic unregistration when the device is
   * unregistered.
   */
  int devm_snd_soc_register_component(struct device *dev,
  			 const struct snd_soc_component_driver *cmpnt_drv,
  			 struct snd_soc_dai_driver *dai_drv, int num_dai)
  {
  	struct device **ptr;
  	int ret;
  
  	ptr = devres_alloc(devm_component_release, sizeof(*ptr), GFP_KERNEL);
  	if (!ptr)
  		return -ENOMEM;
  
  	ret = snd_soc_register_component(dev, cmpnt_drv, dai_drv, num_dai);
  	if (ret == 0) {
  		*ptr = dev;
  		devres_add(dev, ptr);
  	} else {
  		devres_free(ptr);
  	}
  
  	return ret;
  }
  EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);

  static void devm_platform_release(struct device *dev, void *res)
  {
  	snd_soc_unregister_platform(*(struct device **)res);
  }
  
  /**
   * devm_snd_soc_register_platform - resource managed platform registration
   * @dev: Device used to manage platform

   * @platform_drv: platform to register

   *
   * Register a platform driver with automatic unregistration when the device is
   * unregistered.
   */
  int devm_snd_soc_register_platform(struct device *dev,
  			const struct snd_soc_platform_driver *platform_drv)
  {
  	struct device **ptr;
  	int ret;
  
  	ptr = devres_alloc(devm_platform_release, sizeof(*ptr), GFP_KERNEL);
  	if (!ptr)
  		return -ENOMEM;
  
  	ret = snd_soc_register_platform(dev, platform_drv);
  	if (ret == 0) {
  		*ptr = dev;
  		devres_add(dev, ptr);
  	} else {
  		devres_free(ptr);
  	}
  
  	return ret;
  }

  EXPORT_SYMBOL_GPL(devm_snd_soc_register_platform);

  static void devm_card_release(struct device *dev, void *res)
  {
  	snd_soc_unregister_card(*(struct snd_soc_card **)res);
  }
  
  /**
   * devm_snd_soc_register_card - resource managed card registration
   * @dev: Device used to manage card
   * @card: Card to register
   *
   * Register a card with automatic unregistration when the device is
   * unregistered.
   */
  int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card)
  {

  	struct snd_soc_card **ptr;

  	int ret;
  
  	ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL);
  	if (!ptr)
  		return -ENOMEM;
  
  	ret = snd_soc_register_card(card);
  	if (ret == 0) {

  		*ptr = card;

  		devres_add(dev, ptr);
  	} else {
  		devres_free(ptr);
  	}
  
  	return ret;
  }
  EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);

  
  #ifdef CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM
  
  static void devm_dmaengine_pcm_release(struct device *dev, void *res)
  {
  	snd_dmaengine_pcm_unregister(*(struct device **)res);
  }
  
  /**
   * devm_snd_dmaengine_pcm_register - resource managed dmaengine PCM registration
   * @dev: The parent device for the PCM device
   * @config: Platform specific PCM configuration
   * @flags: Platform specific quirks
   *
   * Register a dmaengine based PCM device with automatic unregistration when the
   * device is unregistered.
   */
  int devm_snd_dmaengine_pcm_register(struct device *dev,
  	const struct snd_dmaengine_pcm_config *config, unsigned int flags)
  {
  	struct device **ptr;
  	int ret;
  
  	ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
  	if (!ptr)
  		return -ENOMEM;
  
  	ret = snd_dmaengine_pcm_register(dev, config, flags);
  	if (ret == 0) {
  		*ptr = dev;
  		devres_add(dev, ptr);
  	} else {
  		devres_free(ptr);
  	}
  
  	return ret;
  }
  EXPORT_SYMBOL_GPL(devm_snd_dmaengine_pcm_register);
  
  #endif