参照元

説明

参考

実装

struct snd_pcm {
        struct snd_card *card;
        struct list_head list;
        int device; /* device number */
        unsigned int info_flags;
        unsigned short dev_class;
        unsigned short dev_subclass;
        char id[64];
        char name[80];
        struct snd_pcm_str streams[2];
        struct mutex open_mutex;
        wait_queue_head_t open_wait;
        void *private_data;
        void (*private_free) (struct snd_pcm *pcm);
        bool internal; /* pcm is for internal use only */
        bool nonatomic; /* whole PCM operations are in non-atomic context */
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
        struct snd_pcm_oss oss;
#endif
};

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