1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-devres.c -- ALSA SoC Audio Layer devres functions
5 // Copyright (C) 2013 Linaro Ltd
7 #include <linux/module.h>
8 #include <linux/moduleparam.h>
10 #include <sound/dmaengine_pcm.h>
12 static void devm_dai_release(struct device *dev, void *res)
14 snd_soc_unregister_dai(*(struct snd_soc_dai **)res);
18 * devm_snd_soc_register_dai - resource-managed dai registration
19 * @dev: Device used to manage component
20 * @component: The component the DAIs are registered for
21 * @dai_drv: DAI driver to use for the DAI
22 * @legacy_dai_naming: if %true, use legacy single-name format;
23 * if %false, use multiple-name format;
25 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
26 struct snd_soc_component *component,
27 struct snd_soc_dai_driver *dai_drv,
28 bool legacy_dai_naming)
30 struct snd_soc_dai **ptr;
31 struct snd_soc_dai *dai;
33 ptr = devres_alloc(devm_dai_release, sizeof(*ptr), GFP_KERNEL);
37 dai = snd_soc_register_dai(component, dai_drv, legacy_dai_naming);
47 EXPORT_SYMBOL_GPL(devm_snd_soc_register_dai);
49 static void devm_component_release(struct device *dev, void *res)
51 snd_soc_unregister_component(*(struct device **)res);
55 * devm_snd_soc_register_component - resource managed component registration
56 * @dev: Device used to manage component
57 * @cmpnt_drv: Component driver
58 * @dai_drv: DAI driver
59 * @num_dai: Number of DAIs to register
61 * Register a component with automatic unregistration when the device is
64 int devm_snd_soc_register_component(struct device *dev,
65 const struct snd_soc_component_driver *cmpnt_drv,
66 struct snd_soc_dai_driver *dai_drv, int num_dai)
71 ptr = devres_alloc(devm_component_release, sizeof(*ptr), GFP_KERNEL);
75 ret = snd_soc_register_component(dev, cmpnt_drv, dai_drv, num_dai);
85 EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
87 static void devm_card_release(struct device *dev, void *res)
89 snd_soc_unregister_card(*(struct snd_soc_card **)res);
93 * devm_snd_soc_register_card - resource managed card registration
94 * @dev: Device used to manage card
95 * @card: Card to register
97 * Register a card with automatic unregistration when the device is
100 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card)
102 struct snd_soc_card **ptr;
105 ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL);
109 ret = snd_soc_register_card(card);
112 devres_add(dev, ptr);
119 EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);
121 #ifdef CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM
123 static void devm_dmaengine_pcm_release(struct device *dev, void *res)
125 snd_dmaengine_pcm_unregister(*(struct device **)res);
129 * devm_snd_dmaengine_pcm_register - resource managed dmaengine PCM registration
130 * @dev: The parent device for the PCM device
131 * @config: Platform specific PCM configuration
132 * @flags: Platform specific quirks
134 * Register a dmaengine based PCM device with automatic unregistration when the
135 * device is unregistered.
137 int devm_snd_dmaengine_pcm_register(struct device *dev,
138 const struct snd_dmaengine_pcm_config *config, unsigned int flags)
143 ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
147 ret = snd_dmaengine_pcm_register(dev, config, flags);
150 devres_add(dev, ptr);
157 EXPORT_SYMBOL_GPL(devm_snd_dmaengine_pcm_register);