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ALSA: hdac: add extended device driver registration

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This adds new extended driver objects and API for registering the
extended devices.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Vinod Koul
2015-08-21 15:47:42 +05:30
committed by Takashi Iwai
parent a512f56116
commit d51783c15f
2 changed files with 81 additions and 0 deletions
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15
include/sound/hdaudio_ext.h
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@@ -173,5 +173,20 @@ struct hdac_ext_device {
#define to_ehdac_device(dev) (container_of((dev), \
struct hdac_ext_device, hdac))
/*
* HD-audio codec base driver
*/
struct hdac_ext_driver {
struct hdac_driver hdac;
int (*probe)(struct hdac_ext_device *dev);
int (*remove)(struct hdac_ext_device *dev);
void (*shutdown)(struct hdac_ext_device *dev);
};
int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
#endif /* __SOUND_HDAUDIO_EXT_H */