SV_IREG_WAVE_SOURCE
snd_sonicvibes_out(sonic, SV_IREG_WAVE_SOURCE, sonic->wave_source = 0x00); /* onboard ROM */
SONICVIBES_SINGLE("SonicVibes Wave Source RAM", 0, SV_IREG_WAVE_SOURCE, 0, 1, 0),
SONICVIBES_SINGLE("SonicVibes Wave Source RAM+ROM", 0, SV_IREG_WAVE_SOURCE, 1, 1, 0),