linux-4.4.1/snd_soc_dai の履歴(No.1)

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linux-4.4.1/snd_soc_dai へ行く。
- 1 (2016-02-14 (日) 23:41:35)

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説明†

パス: linux-4.4.1/include/sound/soc-dai.h

FIXME: これは何？
- 説明

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参考†

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実装†

/*
 * Digital Audio Interface runtime data.
 *
 * Holds runtime data for a DAI.
 */
struct snd_soc_dai {
        const char *name;
        int id;
        struct device *dev;

- linux-4.4.1/device

        /* driver ops */
        struct snd_soc_dai_driver *driver;

- linux-4.4.1/snd_soc_dai_driver

        /* DAI runtime info */
        unsigned int capture_active:1;          /* stream is in use */
        unsigned int playback_active:1;         /* stream is in use */
        unsigned int symmetric_rates:1;
        unsigned int symmetric_channels:1;
        unsigned int symmetric_samplebits:1;
        unsigned int active;
        unsigned char probed:1;

        struct snd_soc_dapm_widget *playback_widget;
        struct snd_soc_dapm_widget *capture_widget;

- linux-4.4.1/snd_soc_dapm_widget

        /* DAI DMA data */
        void *playback_dma_data;
        void *capture_dma_data;

        /* Symmetry data - only valid if symmetry is being enforced */
        unsigned int rate;
        unsigned int channels;
        unsigned int sample_bits;

        /* parent platform/codec */
        struct snd_soc_codec *codec;
        struct snd_soc_component *component;

- linux-4.4.1/snd_soc_codec
- linux-4.4.1/snd_soc_component

        /* CODEC TDM slot masks and params (for fixup) */
        unsigned int tx_mask;
        unsigned int rx_mask;

        struct list_head list;

- linux-4.4.1/list_head

};

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linux-4.4.1/snd_soc_dai の履歴(No.1)

参照元†

説明†

参考†

実装†

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