Extern or forward variable declaration at include/sound/hda_codec.h, line 28 References: include/sound/hda_codec.h, line 28 include/sound/hda_codec.h, line 40 include/sound/hda_codec.h, line 68 include/sound/hda_codec.h, line 177 include/sound/hda_codec.h, line 307 include/sound/hda_codec.h, line 309 include/sound/hda_codec.h, line 451 include/sound/hda_codec.h, line 461 include/sound/hda_codec.h, line 462 include/sound/hda_codec.h, line 463 include/sound/hda_codec.h, line 464 include/sound/hda_codec.h, line 491 include/sound/hda_codec.h, line 494 include/sound/hda_codec.h, line 506 sound/pci/hda/hda_codec.c, line 41 sound/pci/hda/hda_codec.c, line 871 sound/pci/hda/hda_codec.c, line 911 sound/pci/hda/hda_codec.c, line 924 sound/pci/hda/hda_codec.c, line 1741 sound/pci/hda/hda_codec.c, line 1778 sound/pci/hda/hda_codec.c, line 1800 sound/pci/hda/hda_codec.c, line 2407 sound/pci/hda/hda_codec.c, line 3171 sound/pci/hda/hda_codec.c, line 3260 sound/pci/hda/hda_codec.c, line 3370 sound/pci/hda/hda_codec.c, line 3963 sound/pci/hda/hda_controller.c, line 706 sound/pci/hda/hda_controller.c, line 779 sound/pci/hda/hda_controller.c, line 1160 sound/pci/hda/hda_controller.c, line 1175 sound/pci/hda/hda_controller.h, line 97 sound/pci/hda/hda_sysfs.c, line 540 sound/pci/hda/hda_sysfs.c, line 563 sound/pci/hda/hda_sysfs.c, line 569 sound/pci/hda/hda_sysfs.c, line 575 sound/pci/hda/hda_sysfs.c, line 581 sound/pci/hda/hda_sysfs.c, line 588 sound/pci/hda/hda_sysfs.c, line 595 sound/pci/hda/hda_sysfs.c, line 611 sound/pci/hda/hda_sysfs.c, line 657 sound/pci/hda/hda_sysfs.c, line 715 sound/soc/intel/skylake/skl.c, line 865 sound/soc/intel/skylake/skl.h, line 60 sound/soc/sof/intel/hda-codec.c, line 68 sound/soc/sof/intel/hda-codec.c, line 85 sound/soc/sof/intel/hda-codec.c, line 119 sound/soc/sof/intel/hda.c, line 466 sound/soc/sof/intel/hda.h, line 426 sound/soc/sof/intel/hda.h, line 466