2 * Local helper macros and functions for HD-audio core drivers
8 #define get_wcaps(codec, nid) \
9 snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
11 /* get the widget type from widget capability bits */
12 static inline int get_wcaps_type(unsigned int wcaps)
15 return -1; /* invalid type */
16 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
19 static inline unsigned int get_wcaps_channels(u32 wcaps)
23 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
24 chans = (chans + 1) * 2;
29 extern const struct attribute_group *hdac_dev_attr_groups[];
30 int hda_widget_sysfs_init(struct hdac_device *codec);
31 void hda_widget_sysfs_exit(struct hdac_device *codec);
33 #endif /* __HDAC_LOCAL_H */