HDAUDIO_CONTROL_GIVE
if (HDAUDIO_CONTROL_GIVE(ctl) & need)
need &= ~HDAUDIO_CONTROL_GIVE(ctl);
if (HDAUDIO_CONTROL_GIVE(ctl) & need)
need &= ~HDAUDIO_CONTROL_GIVE(ctl);
if (HDAUDIO_CONTROL_GIVE(ctl) & need)
need &= ~HDAUDIO_CONTROL_GIVE(ctl);
if (HDAUDIO_CONTROL_GIVE(ctl) & tneed)
tneed &= ~HDAUDIO_CONTROL_GIVE(ctl);