Macro (un)definition at include/sound/pcm.h, line 741 References: include/sound/pcm.h, line 741 sound/core/oss/pcm_oss.c, line 1040 sound/core/pcm_native.c, line 418 sound/pci/ali5451/ali5451.c, line 1180 sound/pci/sis7019.c, line 453 sound/pci/trident/trident_main.c, line 862 sound/soc/fsl/mpc5200_psc_ac97.c, line 139 sound/soc/fsl/mpc5200_psc_i2s.c, line 51