178     struct pcmchan_matrix *m_out)  in feed_matrix_setup()  argument
183 	if (info == NULL || m_in == NULL || m_out == NULL ||  in feed_matrix_setup()
185 	    AFMT_CHANNEL(info->out) != m_out->channels ||  in feed_matrix_setup()
187 	    m_out->channels < SND_CHN_MIN || m_out->channels > SND_CHN_MAX)  in feed_matrix_setup()
196 	if (m_in->id == m_out->id && !(m_in->id < SND_CHN_MATRIX_BEGIN ||  in feed_matrix_setup()
206 		if (m_out->id == SND_CHN_MATRIX_1_0)  in feed_matrix_setup()
208 		else if (m_out->mask & SND_CHN_T_MASK_FC)  in feed_matrix_setup()
217 	    m_out->map[ch].type != SND_CHN_T_MAX; ch += SND_CHN_T_STEP) {  in feed_matrix_setup()
218 		merge_mask = m_out->map[ch].members & in_mask;  in feed_matrix_setup()
283 	struct pcmchan_matrix *m_in, *m_out;  in feed_matrix_init()  local
301 	m_out = feeder_matrix_format_map(info->out);  in feed_matrix_init()
303 	ret = feed_matrix_setup(info, m_in, m_out);  in feed_matrix_init()
418     struct pcmchan_matrix *m_out)  in feeder_matrix_setup()  argument
425 	return (feed_matrix_setup(f->data, m_in, m_out));  in feeder_matrix_setup()
548 feeder_matrix_compare(struct pcmchan_matrix *m_in, struct pcmchan_matrix *m_out)  in feeder_matrix_compare()  argument
552 	if (m_in == m_out)  in feeder_matrix_compare()
555 	if (m_in->channels != m_out->channels || m_in->ext != m_out->ext ||  in feeder_matrix_compare()
556 	    m_in->mask != m_out->mask)  in feeder_matrix_compare()
560 		if (m_in->map[i].type != m_out->map[i].type)  in feeder_matrix_compare()
564 		if (m_in->map[i].members != m_out->map[i].members)  in feeder_matrix_compare()
568 			    m_out->offset[m_out->map[i].type])  in feeder_matrix_compare()