linux-4.4.1/snd_soc_register_dais() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-4.4.1/snd_soc_register_dais() へ行く。
• linux-4.4.1/snd_soc_register_dais() の差分を削除

*参照元 [#zfa5f039]
#backlinks

*説明 [#c6d0cd7c]
-パス: [[linux-4.4.1/sound/soc/soc-core.c]]

-FIXME: これは何？
--説明


**引数 [#z10689a1]
-struct snd_soc_component *component
--
--[[linux-4.4.1/snd_soc_component]]
-struct snd_soc_dai_driver *dai_drv
--
--[[linux-4.4.1/snd_soc_dai_driver]]
-size_t count
--
-bool legacy_dai_naming
--


**返り値 [#y85edf0d]
-int
--


**参考 [#e314442b]


*実装 [#db9906dd]
 /**
  * snd_soc_register_dais - Register a DAI with the ASoC core
  *
  * @component: The component the DAIs are registered for
  * @dai_drv: DAI driver to use for the DAIs
  * @count: Number of DAIs
  * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the
  *                     parent's name.
  */
 static int snd_soc_register_dais(struct snd_soc_component *component,
         struct snd_soc_dai_driver *dai_drv, size_t count,
         bool legacy_dai_naming)
 {
         struct device *dev = component->dev;
         struct snd_soc_dai *dai;
         unsigned int i;
         int ret;
 
-
--[[linux-4.4.1/device]]
--[[linux-4.4.1/snd_soc_dai]]

         dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
 
-
--[[linux-4.4.1/dev_dbg()]]
--[[linux-4.4.1/dev_name()]]

         component->dai_drv = dai_drv;
         component->num_dai = count;
 
         for (i = 0; i < count; i++) {
 
                 dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
                 if (dai == NULL) {
                         ret = -ENOMEM;
                         goto err;
                 }
 
-
--[[linux-4.4.1/kzalloc()]]

                 /*
                  * Back in the old days when we still had component-less DAIs,
                  * instead of having a static name, component-less DAIs would
                  * inherit the name of the parent device so it is possible to
                  * register multiple instances of the DAI. We still need to keep
                  * the same naming style even though those DAIs are not
                  * component-less anymore.
                  */
                 if (count == 1 && legacy_dai_naming &&
                         (dai_drv[i].id == 0 || dai_drv[i].name == NULL)) {
                         dai->name = fmt_single_name(dev, &dai->id);
                 } else {
                         dai->name = fmt_multiple_name(dev, &dai_drv[i]);
                         if (dai_drv[i].id)
                                 dai->id = dai_drv[i].id;
                         else
                                 dai->id = i;
                 }
-
--[[linux-4.4.1/fmt_single_name()]]
--[[linux-4.4.1/fmt_multiple_name()]]

                 if (dai->name == NULL) {
                         kfree(dai);
                         ret = -ENOMEM;
                         goto err;
                 }
 
-
--[[linux-4.4.1/kfree()]]

                 dai->component = component;
                 dai->dev = dev;
                 dai->driver = &dai_drv[i];
                 if (!dai->driver->ops)
                         dai->driver->ops = &null_dai_ops;
 
                 list_add(&dai->list, &component->dai_list);
 
-
--[[linux-4.4.1/list_add()]]

                 dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
         }
 
-
--[[linux-4.4.1/dev_dbg()]]

         return 0;
 
 err:
         snd_soc_unregister_dais(component);
 
-
--[[linux-4.4.1/snd_soc_unregister_dais()]]

         return ret;
 }


*コメント [#j4d0febf]