S_STEREO_MIX
multi->controls[index].mix_control.string = S_STEREO_MIX;
multi->controls[index].mix_control.string = S_STEREO_MIX;
multi->controls[index].mix_control.string = S_STEREO_MIX;
S_STEREO_MIX,
multi->controls[index].mix_control.string = S_STEREO_MIX;