104 		if (vp == NULL || vp->ch < 0)  in snd_emux_note_on()
161 	int ch;  in snd_emux_note_off()  local
176 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_note_off()
177 		vp = &emu->voices[ch];  in snd_emux_note_off()
211 	int ch, do_again = 0;  in snd_emux_timer_callback()  local
214 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_timer_callback()
215 		vp = &emu->voices[ch];  in snd_emux_timer_callback()
240 	int ch;  in snd_emux_key_press()  local
255 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_key_press()
256 		vp = &emu->voices[ch];  in snd_emux_key_press()
939 		vp->ch = -1; /* not used */  in snd_emux_init_voices()