From 08ff7209faf21daa01bf66c91c321ce52d4b4bdb Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 31 Jul 2020 16:41:44 +0200 Subject: ASoC: core: Relocate and expose snd_soc_component_initialize To allow for two-step component registration, expose snd_soc_component_initialize function and move it back to soc-core.c. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20200731144146.6678-2-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/soc-component.c | 16 ---------------- sound/soc/soc-core.c | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 16 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index dcc89fa8913a..f0b4f4bc44a4 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -33,22 +33,6 @@ static inline int _soc_component_ret(struct snd_soc_component *component, return ret; } -int snd_soc_component_initialize(struct snd_soc_component *component, - const struct snd_soc_component_driver *driver, - struct device *dev, const char *name) -{ - INIT_LIST_HEAD(&component->dai_list); - INIT_LIST_HEAD(&component->dobj_list); - INIT_LIST_HEAD(&component->card_list); - mutex_init(&component->io_mutex); - - component->name = name; - component->dev = dev; - component->driver = driver; - - return 0; -} - void snd_soc_component_set_aux(struct snd_soc_component *component, struct snd_soc_aux_dev *aux) { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index defd96b14c28..36eba1bb1ce1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2438,6 +2438,23 @@ static void snd_soc_del_component_unlocked(struct snd_soc_component *component) list_del(&component->list); } +int snd_soc_component_initialize(struct snd_soc_component *component, + const struct snd_soc_component_driver *driver, + struct device *dev, const char *name) +{ + INIT_LIST_HEAD(&component->dai_list); + INIT_LIST_HEAD(&component->dobj_list); + INIT_LIST_HEAD(&component->card_list); + mutex_init(&component->io_mutex); + + component->name = name; + component->dev = dev; + component->driver = driver; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_component_initialize); + int snd_soc_add_component(struct device *dev, struct snd_soc_component *component, const struct snd_soc_component_driver *component_driver, -- cgit v1.2.3 From 7274d4cd8506bbff9bf2d7c2f73b2febff99abef Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 31 Jul 2020 16:41:45 +0200 Subject: ASoC: core: Simplify snd_soc_component_initialize declaration Move 'name' field initialization responsibility back to snd_soc_component_initialize to prepare snd_soc_add_component function for being called separatelly as a second registration step. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20200731144146.6678-3-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/soc-core.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 36eba1bb1ce1..d8155402c5e1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2440,14 +2440,19 @@ static void snd_soc_del_component_unlocked(struct snd_soc_component *component) int snd_soc_component_initialize(struct snd_soc_component *component, const struct snd_soc_component_driver *driver, - struct device *dev, const char *name) + struct device *dev) { INIT_LIST_HEAD(&component->dai_list); INIT_LIST_HEAD(&component->dobj_list); INIT_LIST_HEAD(&component->card_list); mutex_init(&component->io_mutex); - component->name = name; + component->name = fmt_single_name(dev, &component->id); + if (!component->name) { + dev_err(dev, "ASoC: Failed to allocate name\n"); + return -ENOMEM; + } + component->dev = dev; component->driver = driver; @@ -2461,19 +2466,12 @@ int snd_soc_add_component(struct device *dev, struct snd_soc_dai_driver *dai_drv, int num_dai) { - const char *name = fmt_single_name(dev, &component->id); int ret; int i; - if (!name) { - dev_err(dev, "ASoC: Failed to allocate name\n"); - return -ENOMEM; - } - mutex_lock(&client_mutex); - ret = snd_soc_component_initialize(component, component_driver, - dev, name); + ret = snd_soc_component_initialize(component, component_driver, dev); if (ret) goto err_free; -- cgit v1.2.3 From ea029dd8d0124fcd5db1c7003e87a7bd4ddb3bad Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 31 Jul 2020 16:41:46 +0200 Subject: ASoC: core: Two step component registration Modify snd_soc_add_component so it calls snd_soc_component_initialize no longer and thus providing true two-step registration. Drivers may choose to change component's fields before actually adding it to ASoC subsystem. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20200731144146.6678-4-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/soc-core.c | 27 +++++++++++++-------------- sound/soc/soc-generic-dmaengine-pcm.c | 14 +++++++++----- sound/soc/stm/stm32_adfsdm.c | 9 +++++++-- 3 files changed, 29 insertions(+), 21 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index d8155402c5e1..fe23e936e2d1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2460,22 +2460,16 @@ int snd_soc_component_initialize(struct snd_soc_component *component, } EXPORT_SYMBOL_GPL(snd_soc_component_initialize); -int snd_soc_add_component(struct device *dev, - struct snd_soc_component *component, - const struct snd_soc_component_driver *component_driver, - struct snd_soc_dai_driver *dai_drv, - int num_dai) +int snd_soc_add_component(struct snd_soc_component *component, + struct snd_soc_dai_driver *dai_drv, + int num_dai) { int ret; int i; mutex_lock(&client_mutex); - ret = snd_soc_component_initialize(component, component_driver, dev); - if (ret) - goto err_free; - - if (component_driver->endianness) { + if (component->driver->endianness) { for (i = 0; i < num_dai; i++) { convert_endianness_formats(&dai_drv[i].playback); convert_endianness_formats(&dai_drv[i].capture); @@ -2484,7 +2478,8 @@ int snd_soc_add_component(struct device *dev, ret = snd_soc_register_dais(component, dai_drv, num_dai); if (ret < 0) { - dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); + dev_err(component->dev, "ASoC: Failed to register DAIs: %d\n", + ret); goto err_cleanup; } @@ -2502,7 +2497,7 @@ int snd_soc_add_component(struct device *dev, err_cleanup: if (ret < 0) snd_soc_del_component_unlocked(component); -err_free: + mutex_unlock(&client_mutex); if (ret == 0) @@ -2518,13 +2513,17 @@ int snd_soc_register_component(struct device *dev, int num_dai) { struct snd_soc_component *component; + int ret; component = devm_kzalloc(dev, sizeof(*component), GFP_KERNEL); if (!component) return -ENOMEM; - return snd_soc_add_component(dev, component, component_driver, - dai_drv, num_dai); + ret = snd_soc_component_initialize(component, component_driver, dev); + if (ret < 0) + return ret; + + return snd_soc_add_component(component, dai_drv, num_dai); } EXPORT_SYMBOL_GPL(snd_soc_register_component); diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index d17b4bf1dbe3..fb95c1464e66 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -424,6 +424,7 @@ static void dmaengine_pcm_release_chan(struct dmaengine_pcm *pcm) int snd_dmaengine_pcm_register(struct device *dev, const struct snd_dmaengine_pcm_config *config, unsigned int flags) { + const struct snd_soc_component_driver *driver; struct dmaengine_pcm *pcm; int ret; @@ -442,12 +443,15 @@ int snd_dmaengine_pcm_register(struct device *dev, goto err_free_dma; if (config && config->process) - ret = snd_soc_add_component(dev, &pcm->component, - &dmaengine_pcm_component_process, - NULL, 0); + driver = &dmaengine_pcm_component_process; else - ret = snd_soc_add_component(dev, &pcm->component, - &dmaengine_pcm_component, NULL, 0); + driver = &dmaengine_pcm_component; + + ret = snd_soc_component_initialize(&pcm->component, driver, dev); + if (ret) + goto err_free_dma; + + ret = snd_soc_add_component(&pcm->component, NULL, 0); if (ret) goto err_free_dma; diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c index c1433c20b08b..ec27c13af04f 100644 --- a/sound/soc/stm/stm32_adfsdm.c +++ b/sound/soc/stm/stm32_adfsdm.c @@ -344,12 +344,17 @@ static int stm32_adfsdm_probe(struct platform_device *pdev) component = devm_kzalloc(&pdev->dev, sizeof(*component), GFP_KERNEL); if (!component) return -ENOMEM; + + ret = snd_soc_component_initialize(component, + &stm32_adfsdm_soc_platform, + &pdev->dev); + if (ret < 0) + return ret; #ifdef CONFIG_DEBUG_FS component->debugfs_prefix = "pcm"; #endif - ret = snd_soc_add_component(&pdev->dev, component, - &stm32_adfsdm_soc_platform, NULL, 0); + ret = snd_soc_add_component(component, NULL, 0); if (ret < 0) dev_err(&pdev->dev, "%s: Failed to register PCM platform\n", __func__); -- cgit v1.2.3