linux-stable/sound/soc/soc-devres.c
Dr. David Alan Gilbert dea15b2abd
ASoC: soc-devres: Remove unused devm_snd_soc_register_dai
The last use of devm_snd_soc_register_dai() was removed by
commit fc4cb1e15f ("ASoC: topology: Properly unregister DAI on removal")
in 2021.

Remove it, and the helper it used.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20241028021226.477909-1-linux@treblig.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-28 12:23:27 +00:00

125 lines
3.0 KiB
C

// SPDX-License-Identifier: GPL-2.0+
//
// soc-devres.c -- ALSA SoC Audio Layer devres functions
//
// Copyright (C) 2013 Linaro Ltd
#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)
{
const struct snd_soc_component_driver **cmpnt_drv = res;
snd_soc_unregister_component_by_driver(dev, *cmpnt_drv);
}
/**
* 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)
{
const struct snd_soc_component_driver **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 = cmpnt_drv;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return ret;
}
EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
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