SNDRV_MIXER_OSS_PRESENT_CVOLUME 702 sound/core/oss/mixer_oss.c if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) SNDRV_MIXER_OSS_PRESENT_CVOLUME 704 sound/core/oss/mixer_oss.c } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) {