volume_boost      220 sound/drivers/opl4/opl4_local.h extern int volume_boost;
volume_boost       44 sound/drivers/opl4/opl4_seq.c int volume_boost = 8;
volume_boost       46 sound/drivers/opl4/opl4_seq.c module_param(volume_boost, int, 0644);
volume_boost       47 sound/drivers/opl4/opl4_seq.c MODULE_PARM_DESC(volume_boost, "Additional volume for OPL4 wavetable sounds.");
volume_boost      378 sound/drivers/opl4/opl4_synth.c 	att = 0x7f - (0x7f - att) * (voice->sound->volume_factor) / 0xfe - volume_boost;