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Merge branch 'topic/devm' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-omap

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This commit is contained in:
Mark Brown 2014-04-18 18:00:30 +01:00
commit 3819bfa237
2 changed files with 36 additions and 0 deletions
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2
include/sound/soc.h
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@ -377,6 +377,8 @@ int snd_soc_resume(struct device *dev);
int snd_soc_poweroff(struct device *dev);
int snd_soc_register_platform(struct device *dev,
const struct snd_soc_platform_driver *platform_drv);
int devm_snd_soc_register_platform(struct device *dev,
const struct snd_soc_platform_driver *platform_drv);
void snd_soc_unregister_platform(struct device *dev);
int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
const struct snd_soc_platform_driver *platform_drv);

34
sound/soc/soc-devres.c
View File

@ -52,6 +52,40 @@ int devm_snd_soc_register_component(struct device *dev,
}
EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
static void devm_platform_release(struct device *dev, void *res)
{
snd_soc_unregister_platform(*(struct device **)res);
}
/**
* devm_snd_soc_register_platform - resource managed platform registration
* @dev: Device used to manage platform
* @platform: platform to register
*
* Register a platform driver with automatic unregistration when the device is
* unregistered.
*/
int devm_snd_soc_register_platform(struct device *dev,
const struct snd_soc_platform_driver *platform_drv)
{
struct device **ptr;
int ret;
ptr = devres_alloc(devm_platform_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return -ENOMEM;
ret = snd_soc_register_platform(dev, platform_drv);
if (ret == 0) {
*ptr = dev;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return ret;
}
static void devm_card_release(struct device *dev, void *res)
{
snd_soc_unregister_card(*(struct snd_soc_card **)res);