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Date: Sat, 16 Apr 2011 21:07:08 +0200
From: Lutz Sammer <johns98@gmx.net>
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To: linux-media@vger.kernel.org
Subject: RE: stb0899 signal strength value in dvb-s2l
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> Hi everyone,
> 
> Using a KNC-1 DVB-S2 board I noticed stb0899_read_signal_strength() 
> in stb0899_drv.c always return the same value (1450) in dvb-s2 whatever
> the signal power is.
> 
> It seems STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN) macro always
> returns zero.
> 
> Any idea of what is causing this ?

Try

-                       reg = STB0899_READ_S2REG(STB0899_DEMOD,
IF_AGC_GAIN);
+                       reg = STB0899_READ_S2REG(STB0899_S2DEMOD,
IF_AGC_GAIN);

Than it is working,

Johns