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_component_release(struct device *dev, void *res)
14 snd_soc_unregister_component(*(struct device **)res);
18 * devm_snd_soc_register_component - resource managed component registration
19 * @dev: Device used to manage component
20 * @cmpnt_drv: Component driver
21 * @dai_drv: DAI driver
22 * @num_dai: Number of DAIs to register
24 * Register a component with automatic unregistration when the device is
27 int devm_snd_soc_register_component(struct device *dev,
28 const struct snd_soc_component_driver *cmpnt_drv,
29 struct snd_soc_dai_driver *dai_drv, int num_dai)
34 ptr = devres_alloc(devm_component_release, sizeof(*ptr), GFP_KERNEL);
38 ret = snd_soc_register_component(dev, cmpnt_drv, dai_drv, num_dai);
48 EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
50 static void devm_card_release(struct device *dev, void *res)
52 snd_soc_unregister_card(*(struct snd_soc_card **)res);
56 * devm_snd_soc_register_card - resource managed card registration
57 * @dev: Device used to manage card
58 * @card: Card to register
60 * Register a card with automatic unregistration when the device is
63 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card)
65 struct snd_soc_card **ptr;
68 ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL);
72 ret = snd_soc_register_card(card);
82 EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);
84 #ifdef CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM
86 static void devm_dmaengine_pcm_release(struct device *dev, void *res)
88 snd_dmaengine_pcm_unregister(*(struct device **)res);
92 * devm_snd_dmaengine_pcm_register - resource managed dmaengine PCM registration
93 * @dev: The parent device for the PCM device
94 * @config: Platform specific PCM configuration
95 * @flags: Platform specific quirks
97 * Register a dmaengine based PCM device with automatic unregistration when the
98 * device is unregistered.
100 int devm_snd_dmaengine_pcm_register(struct device *dev,
101 const struct snd_dmaengine_pcm_config *config, unsigned int flags)
106 ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
110 ret = snd_dmaengine_pcm_register(dev, config, flags);
113 devres_add(dev, ptr);
120 EXPORT_SYMBOL_GPL(devm_snd_dmaengine_pcm_register);