1/*
 2 * Local helper macros and functions for HD-audio core drivers
 3 */
 4
 5#ifndef __HDAC_LOCAL_H
 6#define __HDAC_LOCAL_H
 7
 8#define get_wcaps(codec, nid) \
 9	snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
10
11/* get the widget type from widget capability bits */
12static inline int get_wcaps_type(unsigned int wcaps)
13{
14	if (!wcaps)
15		return -1; /* invalid type */
16	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
17}
18
19extern const struct attribute_group *hdac_dev_attr_groups[];
20int hda_widget_sysfs_init(struct hdac_device *codec);
21void hda_widget_sysfs_exit(struct hdac_device *codec);
22
23#endif /* __HDAC_LOCAL_H */