soc-devres.c (f19f8d8ebc0b392c01082e0feb44ec152cc47a30) soc-devres.c (21585ee848078b12d0d1a513e93936bf96b444a0)
1/*
2 * soc-devres.c -- ALSA SoC Audio Layer devres functions
3 *
4 * Copyright (C) 2013 Linaro Ltd
5 *
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.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <sound/soc.h>
1/*
2 * soc-devres.c -- ALSA SoC Audio Layer devres functions
3 *
4 * Copyright (C) 2013 Linaro Ltd
5 *
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.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <sound/soc.h>
15#include <sound/dmaengine_pcm.h>
15
16static void devm_component_release(struct device *dev, void *res)
17{
18 snd_soc_unregister_component(*(struct device **)res);
19}
20
21/**
22 * devm_snd_soc_register_component - resource managed component registration

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79 devres_add(dev, ptr);
80 } else {
81 devres_free(ptr);
82 }
83
84 return ret;
85}
86EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);
16
17static void devm_component_release(struct device *dev, void *res)
18{
19 snd_soc_unregister_component(*(struct device **)res);
20}
21
22/**
23 * devm_snd_soc_register_component - resource managed component registration

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80 devres_add(dev, ptr);
81 } else {
82 devres_free(ptr);
83 }
84
85 return ret;
86}
87EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);
88
89#ifdef CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM
90
91static void devm_dmaengine_pcm_release(struct device *dev, void *res)
92{
93 snd_dmaengine_pcm_unregister(*(struct device **)res);
94}
95
96/**
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
101 *
102 * Register a dmaengine based PCM device with automatic unregistration when the
103 * device is unregistered.
104 */
105int devm_snd_dmaengine_pcm_register(struct device *dev,
106 const struct snd_dmaengine_pcm_config *config, unsigned int flags)
107{
108 struct device **ptr;
109 int ret;
110
111 ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
112 if (!ptr)
113 return -ENOMEM;
114
115 ret = snd_dmaengine_pcm_register(dev, config, flags);
116 if (ret == 0) {
117 *ptr = dev;
118 devres_add(dev, ptr);
119 } else {
120 devres_free(ptr);
121 }
122
123 return ret;
124}
125EXPORT_SYMBOL_GPL(devm_snd_dmaengine_pcm_register);
126
127#endif