linux-4.4.1/snd_soc_card の履歴(No.1)

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- 1 (2016-02-15 (月) 13:59:56)

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パス: linux-4.4.1/include/sound/soc.h

FIXME: これは何？
- 説明

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実装†

/* SoC card */
struct snd_soc_card {
        const char *name;
        const char *long_name;
        const char *driver_name;
        struct device *dev;
        struct snd_card *snd_card;
        struct module *owner;

        struct mutex mutex;
        struct mutex dapm_mutex;

        bool instantiated;

        int (*probe)(struct snd_soc_card *card);
        int (*late_probe)(struct snd_soc_card *card);
        int (*remove)(struct snd_soc_card *card);

        /* the pre and post PM functions are used to do any PM work before and
         * after the codec and DAI's do any PM work. */
        int (*suspend_pre)(struct snd_soc_card *card);
        int (*suspend_post)(struct snd_soc_card *card);
        int (*resume_pre)(struct snd_soc_card *card);
        int (*resume_post)(struct snd_soc_card *card);

        /* callbacks */
        int (*set_bias_level)(struct snd_soc_card *,
                              struct snd_soc_dapm_context *dapm,
                              enum snd_soc_bias_level level);
        int (*set_bias_level_post)(struct snd_soc_card *,
                                   struct snd_soc_dapm_context *dapm,
                                   enum snd_soc_bias_level level);

        long pmdown_time;

        /* CPU <--> Codec DAI links  */
        struct snd_soc_dai_link *dai_link;
        int num_links;
        struct snd_soc_pcm_runtime *rtd;
        int num_rtd;

        /* optional codec specific configuration */
        struct snd_soc_codec_conf *codec_conf;
        int num_configs;

        /*
         * optional auxiliary devices such as amplifiers or codecs with DAI
         * link unused
         */
        struct snd_soc_aux_dev *aux_dev;
        int num_aux_devs;
        struct snd_soc_pcm_runtime *rtd_aux;
        int num_aux_rtd;

        const struct snd_kcontrol_new *controls;
        int num_controls;

        /*
         * Card-specific routes and widgets.
         * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
         */
        const struct snd_soc_dapm_widget *dapm_widgets;
        int num_dapm_widgets;
        const struct snd_soc_dapm_route *dapm_routes;
        int num_dapm_routes;
        const struct snd_soc_dapm_widget *of_dapm_widgets;
        int num_of_dapm_widgets;
        const struct snd_soc_dapm_route *of_dapm_routes;
        int num_of_dapm_routes;
        bool fully_routed;

        struct work_struct deferred_resume_work;

        /* lists of probed devices belonging to this card */
        struct list_head codec_dev_list;

        struct list_head widgets;
        struct list_head paths;
        struct list_head dapm_list;
        struct list_head dapm_dirty;

        /* attached dynamic objects */
        struct list_head dobj_list;

        /* Generic DAPM context for the card */
        struct snd_soc_dapm_context dapm;
        struct snd_soc_dapm_stats dapm_stats;
        struct snd_soc_dapm_update *update;

#ifdef CONFIG_DEBUG_FS
        struct dentry *debugfs_card_root;
        struct dentry *debugfs_pop_time;
#endif
        u32 pop_time;

        void *drvdata;
};

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linux-4.4.1/snd_soc_card の履歴(No.1)

参照元†

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