linux-4.4.1/devm_snd_soc_register_card() の履歴(No.1)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• linux-4.4.1/devm_snd_soc_register_card() へ行く。
  • 1 (2016-02-10 (水) 12:57:43)

参照元†

説明†

• パス: linux-4.4.1/sound/soc/soc-devres.c

• FIXME: これは何？
  • 説明

引数†

• struct device *dev
  • linux-4.4.1/device
• struct snd_soc_card *card
  • linux-4.4.1/snd_soc_card

返り値†

• int

参考†

実装†

/**
 * devm_snd_soc_register_card - resource managed card registration
 * @dev: Device used to manage card
 * @card: Card to register
 *
 * Register a card with automatic unregistration when the device is
 * unregistered.
 */
int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card)
{
        struct snd_soc_card **ptr;
        int ret;

        ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL);
        if (!ptr)
                return -ENOMEM;

• • linux-4.4.1/devres_alloc()

        ret = snd_soc_register_card(card);
        if (ret == 0) {
                *ptr = card;
                devres_add(dev, ptr);
        } else {
                devres_free(ptr);
        }

• • linux-4.4.1/snd_soc_register_card()
  • linux-4.4.1/devres_add()
  • linux-4.4.1/devres_free()

        return ret;
}
EXPORT_SYMBOL_GPL(devm_snd_soc_register_card);

• • linux-4.4.1/EXPORT_SYMBOL_GPL()

コメント†