ALSA: emu10k1: fix terminating synthesizer voices

Make terminate_voice() actually do at all what it's supposed to do:
instantly and completely shut down the note.

The bogus behavior was mostly harmless, as usually the voice is freed
right afterwards, which implicitly terminates it anyway.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230518140339.3722308-2-oswald.buddenhagen@gmx.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/emu10k1/emu10k1_callback.c

@@ -136,8 +136,13 @@ terminate_voice(struct snd_emux_voice *vp)
 	if (snd_BUG_ON(!vp))
 		return;
 	hw = vp->hw;
-	snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch,
-		DCYSUSV_PHASE1_MASK | DCYSUSV_DECAYTIME_MASK | DCYSUSV_CHANNELENABLE_MASK);
+	snd_emu10k1_ptr_write_multiple(hw, vp->ch,
+		DCYSUSV, 0,
+		VTFT, VTFT_FILTERTARGET_MASK,
+		CVCF, CVCF_CURRENTFILTER_MASK,
+		PTRX, 0,
+		CPF, 0,
+		REGLIST_END);
 	if (vp->block) {
 		struct snd_emu10k1_memblk *emem;
 		emem = (struct snd_emu10k1_memblk *)vp->block;