mixer_unit 211 sound/oss/dmasound/dmasound_core.c static int mixer_unit = -1; mixer_unit 394 sound/oss/dmasound/dmasound_core.c int mixer_unit; mixer_unit 396 sound/oss/dmasound/dmasound_core.c mixer_unit = register_sound_mixer(&mixer_fops, -1); mixer_unit 397 sound/oss/dmasound/dmasound_core.c if (mixer_unit < 0) mixer_unit 1451 sound/oss/dmasound/dmasound_core.c if (mixer_unit >= 0) mixer_unit 1452 sound/oss/dmasound/dmasound_core.c unregister_sound_mixer(mixer_unit);