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kernel/linux-rt-4.4.41/sound/pci/hda/local.h 961 Bytes
5113f6f70   김현기   kernel add
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  /*
   */
  
  #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 */