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- /*
- * Local helper macros and functions for HD-audio core drivers
- */
- #ifndef __HDAC_LOCAL_H
- #define __HDAC_LOCAL_H
- #define get_wcaps(codec, nid) \
- snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
- /* get the widget type from widget capability bits */
- static inline int get_wcaps_type(unsigned int wcaps)
- {
- if (!wcaps)
- return -1; /* invalid type */
- return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
- }
- extern const struct attribute_group *hdac_dev_attr_groups[];
- int hda_widget_sysfs_init(struct hdac_device *codec);
- void hda_widget_sysfs_exit(struct hdac_device *codec);
- #endif /* __HDAC_LOCAL_H */
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