snd_mixer_oss_notify_handler 1394 sound/core/oss/mixer_oss.c snd_mixer_oss_notify_callback = snd_mixer_oss_notify_handler; snd_mixer_oss_notify_handler 1398 sound/core/oss/mixer_oss.c snd_mixer_oss_notify_handler(card, SND_MIXER_OSS_NOTIFY_REGISTER); snd_mixer_oss_notify_handler 1414 sound/core/oss/mixer_oss.c snd_mixer_oss_notify_handler(card, SND_MIXER_OSS_NOTIFY_FREE);