Structure at include/sound/pcm.h, line 1393 References: include/sound/ac97_codec.h, line 190 include/sound/ac97_codec.h, line 299 include/sound/pcm.h, line 1393 include/sound/pcm.h, line 1409 include/sound/pcm.h, line 1432 sound/core/pcm_lib.c, line 2299 sound/core/pcm_lib.c, line 2309 sound/core/pcm_lib.c, line 2325 sound/core/pcm_lib.c, line 2357 sound/core/pcm_lib.c, line 2399 sound/core/pcm_lib.c, line 2420 sound/core/pcm_lib.c, line 2422 sound/pci/atiixp.c, line 1253 sound/pci/hda/hda_codec.c, line 2928 sound/pci/hda/patch_hdmi.c, line 3123 sound/pci/intel8x0.c, line 1549 sound/pci/via82xx.c, line 1449 sound/pci/via82xx.c, line 1517 sound/soc/codecs/hdmi-codec.c, line 286 sound/soc/codecs/hdmi-codec.c, line 384 sound/usb/stream.c, line 115 sound/usb/stream.c, line 142 sound/usb/stream.c, line 185 sound/usb/stream.c, line 206 sound/x86/intel_hdmi_audio.c, line 557