AM_READ           320 sound/oss/audio.c 		audio_devs[dev]->audio_mode |= AM_READ;
AM_READ           322 sound/oss/audio.c 		audio_devs[dev]->audio_mode = AM_READ;
AM_READ           431 sound/oss/audio.c   			if ((audio_devs[dev]->audio_mode & AM_READ) && !(audio_devs[dev]->flags & DMA_DUPLEX))