+ ret = (int)((snr >> 7) * 10);
+ } else if (!strcmp(m_description, "Philips CU1216Mk3"))
+ {
+ int mse = (~snr) & 0xFF;
+ switch (parm_u_qam_modulation) {
+ case QAM_16: ret = fe_udiv(1950000, (32 * mse) + 138) + 1000; break;
+ case QAM_32: ret = fe_udiv(2150000, (40 * mse) + 500) + 1350; break;
+ case QAM_64: ret = fe_udiv(2100000, (40 * mse) + 500) + 1250; break;
+ case QAM_128: ret = fe_udiv(1850000, (38 * mse) + 400) + 1380; break;
+ case QAM_256: ret = fe_udiv(1800000, (100 * mse) + 40) + 2030; break;
+ default: break;
+ }
+ } else if (!strcmp(m_description, "Philips TU1216"))
+ {
+ snr = 0xFF - (snr & 0xFF);
+ if (snr != 0)
+ ret = 10 * (int)(-100 * (log10(snr) - log10(255)));
+ }
+
+ if (type == signalQuality)
+ {
+ if (ret == 0x12345678) // no snr db calculation avail.. return untouched snr value..
+ return snr;
+ switch(m_type)
+ {
+ case feSatellite: // we assume a max of 16.0db here
+ return ret >= 1600 ? 65536 : ret * 65536 / 1600;
+ case feCable: // we assume a max of 42db here
+ return ret >= 4200 ? 65536 : ret * 65536 / 4200;
+ case feTerrestrial: // we assume a max of 24db here
+ return ret >= 2400 ? 65536 : ret * 65536 / 2400;
+ }
+ }
+/* else