diff options
Diffstat (limited to 'sound/pci/hda/local.h')
| -rw-r--r-- | sound/pci/hda/local.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sound/pci/hda/local.h b/sound/pci/hda/local.h new file mode 100644 index 000000000000..28cb7f98982e --- /dev/null +++ b/sound/pci/hda/local.h @@ -0,0 +1,39 @@ +/* + */ + +#ifndef __HDAC_LOCAL_H +#define __HDAC_LOCAL_H + +int hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm); + +#define get_wcaps(codec, nid) \ + 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; +} + +#define get_pin_caps(codec, nid) \ + hdac_read_parm(codec, nid, AC_PAR_PIN_CAP) + +static inline +unsigned int get_pin_cfg(struct hdac_device *codec, hda_nid_t nid) +{ + unsigned int val; + + if (snd_hdac_read(codec, nid, AC_VERB_GET_CONFIG_DEFAULT, 0, &val)) + return -1; + return val; +} + +#define get_amp_caps(codec, nid, dir) \ + hdac_read_parm(codec, nid, (dir) == HDA_OUTPUT ? \ + AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP) + +#define get_power_caps(codec, nid) \ + hdac_read_parm(codec, nid, AC_PAR_POWER_STATE) + +#endif /* __HDAC_LOCAL_H */ |