/* called when the fabric wants to init this codec.
* Do alsa card manipulations from here. */ int (*init)(struct aoa_codec *codec);
/* called when the fabric is done with the codec.
* The alsa card will be cleaned up so don't bother. */ void (*exit)(struct aoa_codec *codec);
/* May be NULL, but can be used by the fabric.
* Refcounting is the codec driver's responsibility */ struct device_node *node;
/* assigned by fabric before init() is called, points
* to the soundbus device. Cannot be NULL. */ struct soundbus_dev *soundbus_dev;
/* assigned by the fabric before init() is called, points * to the fabric's gpio runtime record for the relevant
* device. */ struct gpio_runtime *gpio;
/* assigned by the fabric before init() is called, contains * a codec specific bitmask of what outputs and inputs are
* actually connected */
u32 connected;
/* data the fabric can associate with this structure */ void *fabric_data;
/* once codecs register, they are passed here after. * They are of course not initialised, since the * fabric is responsible for initialising some fields
* in the codec structure! */ int (*found_codec)(struct aoa_codec *codec); /* called for each codec when it is removed, * also in the case that aoa_fabric_unregister * is called and all codecs are removed * from this fabric. * Also called if found_codec returned 0 but
* the codec couldn't initialise. */ void (*remove_codec)(struct aoa_codec *codec); /* If found_codec returned 0, and the codec
* could be initialised, this is called. */ void (*attached_codec)(struct aoa_codec *codec);
};
/* return 0 on success, -EEXIST if another fabric is * registered, -EALREADY if the same fabric is registered. * Passing NULL can be used to test for the presence * of another fabric, if -EALREADY is returned there is * no other fabric present. * In the case that the function returns -EALREADY * and the fabric passed is not NULL, all codecs * that are not assigned yet are passed to the fabric
* again for reconsideration. */ externint
aoa_fabric_register(struct aoa_fabric *fabric, struct device *dev);
/* it is vital to call this when the fabric exits! * When calling, the remove_codec will be called
* for all codecs, unless it is NULL. */ externvoid
aoa_fabric_unregister(struct aoa_fabric *fabric);
/* if for some reason you want to get rid of a codec * before the fabric is removed, use this.
* Note that remove_codec is called for it! */ externvoid
aoa_fabric_unlink_codec(struct aoa_codec *codec);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.