diff options
Diffstat (limited to 'sound/soc/soc-devres.c')
| -rw-r--r-- | sound/soc/soc-devres.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c index 7ac745df141..057e5ef7dcc 100644 --- a/sound/soc/soc-devres.c +++ b/sound/soc/soc-devres.c @@ -52,6 +52,41 @@ 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; +} +EXPORT_SYMBOL_GPL(devm_snd_soc_register_platform); + static void devm_card_release(struct device *dev, void *res) { snd_soc_unregister_card(*(struct snd_soc_card **)res); |