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/Linux-v6.1/drivers/media/dvb-frontends/
Dlgdt3306a.c1644 u32 ref_snr; /* snr*100 */ in lgdt3306a_read_signal_strength() local
1651 ref_snr = 1600; /* 16dB */ in lgdt3306a_read_signal_strength()
1662 ref_snr = 2800; /* QAM-256 28dB */ in lgdt3306a_read_signal_strength()
1664 ref_snr = 2200; /* QAM-64 22dB */ in lgdt3306a_read_signal_strength()
1674 if (state->snr <= (ref_snr - 100)) in lgdt3306a_read_signal_strength()
1676 else if (state->snr <= ref_snr) in lgdt3306a_read_signal_strength()
1679 str = state->snr - ref_snr; in lgdt3306a_read_signal_strength()