438 	struct idt821034_amp *amp;  in idt821034_kctrl_gain_put()  local
462 		amp = &idt821034->amps.ch[ch].amp_out;  in idt821034_kctrl_gain_put()
465 		amp = &idt821034->amps.ch[ch].amp_in;  in idt821034_kctrl_gain_put()
469 	if (amp->gain == val) {  in idt821034_kctrl_gain_put()
474 	if (!amp->is_muted) {  in idt821034_kctrl_gain_put()
480 	amp->gain = val;  in idt821034_kctrl_gain_put()
515 	struct idt821034_amp *amp;  in idt821034_kctrl_mute_put()  local
527 		amp = &idt821034->amps.ch[ch].amp_out;  in idt821034_kctrl_mute_put()
530 		amp = &idt821034->amps.ch[ch].amp_in;  in idt821034_kctrl_mute_put()
534 	if (amp->is_muted == is_mute) {  in idt821034_kctrl_mute_put()
540 					 is_mute ? 0 : amp->gain);  in idt821034_kctrl_mute_put()
544 	amp->is_muted = is_mute;  in idt821034_kctrl_mute_put()