1995 	case DQPSK:  in dib8000_set_layer()
2036 		case DQPSK:  in dib8000_set_layer()
2199 					if (c->layer[0].modulation == DQPSK) /* DQPSK */  in dib8000_small_fine_tune()
2204 					if (c->layer[0].modulation == DQPSK) { /* DQPSK on central segment */  in dib8000_small_fine_tune()
2205 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2210 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2219 					if (c->layer[0].modulation == DQPSK) /* DQPSK */  in dib8000_small_fine_tune()
2224 					if (c->layer[0].modulation == DQPSK) { /* DQPSK on central segment */  in dib8000_small_fine_tune()
2225 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2230 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2241 					if (c->layer[0].modulation == DQPSK) /* DQPSK */  in dib8000_small_fine_tune()
2246 					if (c->layer[0].modulation == DQPSK) { /* DQPSK on central segment */  in dib8000_small_fine_tune()
2247 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2252 						if (c->layer[1].modulation == DQPSK) /* DQPSK on external segments */  in dib8000_small_fine_tune()
2343 	u16 max_constellation = DQPSK;  in dib8000_set_isdbt_common_channel()
2364 		state->seg_diff_mask = (c->layer[0].modulation == DQPSK) << permu_seg[0];  in dib8000_set_isdbt_common_channel()
2366 			nbseg_diff += (c->layer[i].modulation == DQPSK) * c->layer[i].segment_count;  in dib8000_set_isdbt_common_channel()
2371 			nbseg_diff += (c->layer[i].modulation == DQPSK) * c->layer[i].segment_count;  in dib8000_set_isdbt_common_channel()
2449 		tmcc_pow += (((c->layer[i].modulation == DQPSK) * 4 + 1) * c->layer[i].segment_count) ;  in dib8000_set_isdbt_common_channel()
3531 			fe->dtv_property_cache.layer[i].modulation = DQPSK;  in dib8000_get_frontend()
4032 		case DQPSK:  in dib8000_get_time_us()