*参照元 [#b8462c59]
#backlinks

*説明 [#x07366f9]
-パス: [[linux-4.4.1/sound/soc/soc-io.c]]

-FIXME: これは何?
--説明


**引数 [#nc179f5c]
-struct snd_soc_component *component
--
--[[linux-4.4.1/snd_soc_component]]
-unsigned int reg
--
-unsigned int *val
--


**返り値 [#q9b7ca53]
-int
--


**参考 [#dc06f44b]


*実装 [#b0edcda7]
 /**
  * snd_soc_component_read() - Read register value
  * @component: Component to read from
  * @reg: Register to read
  * @val: Pointer to where the read value is stored
  *
  * Return: 0 on success, a negative error code otherwise.
  */
 int snd_soc_component_read(struct snd_soc_component *component,
         unsigned int reg, unsigned int *val)
 {
         int ret;
 
         if (component->regmap)
                 ret = regmap_read(component->regmap, reg, val);
-
--[[linux-4.4.1/regmap_read()]]

         else if (component->read)
                 ret = component->read(component, reg, val);
         else
                 ret = -EIO;
 
         return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_read);
-
--[[linux-4.4.1/EXPORT_SYMBOL_GPL()]]


*コメント [#pd67cc26]


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