90 		if (vp == NULL || vp->ch < 0)  in snd_emux_note_on()
147 	int ch;  in snd_emux_note_off()  local
162 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_note_off()
163 		vp = &emu->voices[ch];  in snd_emux_note_off()
196 	int ch, do_again = 0;  in snd_emux_timer_callback()  local
199 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_timer_callback()
200 		vp = &emu->voices[ch];  in snd_emux_timer_callback()
224 	int ch;  in snd_emux_key_press()  local
239 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_key_press()
240 		vp = &emu->voices[ch];  in snd_emux_key_press()
923 		vp->ch = -1; /* not used */  in snd_emux_init_voices()