blob: d692f417ddc0a2c159092bd76aaa2c2fef8d44a5 [file] [log] [blame]
Takashi Iwai7639a062015-03-03 10:07:24 +01001/*
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
Takashi Iwai3256be62015-02-24 14:59:42 +010019extern 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
Takashi Iwai7639a062015-03-03 10:07:24 +010023#endif /* __HDAC_LOCAL_H */