diff options
Diffstat (limited to 'sound/soc/soc-devres.c')
| -rw-r--r-- | sound/soc/soc-devres.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c index b1d732255c0..057e5ef7dcc 100644 --- a/sound/soc/soc-devres.c +++ b/sound/soc/soc-devres.c @@ -12,6 +12,7 @@ #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) { @@ -51,6 +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); @@ -66,7 +102,7 @@ static void devm_card_release(struct device *dev, void *res) */ int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card) { - struct device **ptr; + struct snd_soc_card **ptr; int ret; ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL); @@ -75,7 +111,7 @@ int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card) ret = snd_soc_register_card(card); if (ret == 0) { - *ptr = dev; + *ptr = card; devres_add(dev, ptr); } else { devres_free(ptr); @@ -84,3 +120,43 @@ int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card) 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 |