2 * soc-devres.c -- ALSA SoC Audio Layer devres functions
4 * Copyright (C) 2013 Linaro Ltd
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <sound/soc.h>
15 #include <sound/dmaengine_pcm.h>
17 static void devm_component_release(struct device *dev, void *res)
19 snd_soc_unregister_component(*(struct device **)res);
23 * devm_snd_soc_register_component - resource managed component registration
24 * @dev: Device used to manage component
25 * @cmpnt_drv: Component driver
26 * @dai_drv: DAI driver
27 * @num_dai: Number of DAIs to register
29 * Register a component with automatic unregistration when the device is
32 int devm_snd_soc_register_component(struct device *dev,
33 const struct snd_soc_component_driver *cmpnt_drv,
34 struct snd_soc_dai_driver *dai_drv, int num_dai)
39 ptr = devres_alloc(devm_component_release, sizeof(*ptr), GFP_KERNEL);
43 ret = snd_soc_register_component(dev, cmpnt_drv, dai_drv, num_dai);
53 EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
55 static void devm_card_release(struct device *dev, void *res)
57 snd_soc_unregister_card(*(struct snd_soc_card **)res);
61 * devm_snd_soc_register_card - resource managed card registration
62 * @dev: Device used to manage card
63 * @card: Card to register
65 * Register a card with automatic unregistration when the device is
68 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card)
70 struct snd_soc_card **ptr;
73 ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL);
77 ret = snd_soc_register_card(card);
87 EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);
89 #ifdef CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM
91 static void devm_dmaengine_pcm_release(struct device *dev, void *res)
93 snd_dmaengine_pcm_unregister(*(struct device **)res);
97 * devm_snd_dmaengine_pcm_register - resource managed dmaengine PCM registration
98 * @dev: The parent device for the PCM device
99 * @config: Platform specific PCM configuration
100 * @flags: Platform specific quirks
102 * Register a dmaengine based PCM device with automatic unregistration when the
103 * device is unregistered.
105 int devm_snd_dmaengine_pcm_register(struct device *dev,
106 const struct snd_dmaengine_pcm_config *config, unsigned int flags)
111 ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
115 ret = snd_dmaengine_pcm_register(dev, config, flags);
118 devres_add(dev, ptr);
125 EXPORT_SYMBOL_GPL(devm_snd_dmaengine_pcm_register);