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26 lines
711 B
26 lines
711 B
5 years ago
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diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
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index 464ad87..28ec763 100644
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--- a/drivers/media/dvb-frontends/af9033.c
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+++ b/drivers/media/dvb-frontends/af9033.c
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@@ -21,6 +21,10 @@
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#include "af9033_priv.h"
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+static int af9033_snrdb;
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+module_param_named(snrdb, af9033_snrdb, int, 0644);
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+MODULE_PARM_DESC(snrdb, "Turn on/off SNR output as dBx10 (default:off).");
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+
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struct af9033_state {
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struct i2c_adapter *i2c;
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struct dvb_frontend fe;
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@@ -754,6 +758,9 @@ static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
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*snr = tmp * 10; /* dB/10 */
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+ if (len && !af9033_snrdb)
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+ *snr = 0xffff * (int)tmp / (int)snr_lut[len - 1].snr;
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+
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return 0;
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err:
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