SNDRV_MIXER_OSS_PRESENT_PVOLUME 590 sound/core/oss/mixer_oss.c if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) { SNDRV_MIXER_OSS_PRESENT_PVOLUME 700 sound/core/oss/mixer_oss.c if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {