From f5d1f46b23c95589967bec81e4e60ff51b56b4d7 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Wed, 31 Oct 2007 05:57:58 +0100 Subject: tda10021: Fix reported signal strength From: Hartmut Birr Fix reported signal strength value (higher value = higher signal strength). Signed-off-by: Hartmut Birr Signed-off-by: Oliver Endriss --- linux/drivers/media/dvb/frontends/tda10021.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'linux') diff --git a/linux/drivers/media/dvb/frontends/tda10021.c b/linux/drivers/media/dvb/frontends/tda10021.c index 832817a30..68a1103c9 100644 --- a/linux/drivers/media/dvb/frontends/tda10021.c +++ b/linux/drivers/media/dvb/frontends/tda10021.c @@ -312,7 +312,11 @@ static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength) { struct tda10021_state* state = fe->demodulator_priv; + u8 config = tda10021_readreg(state, 0x02); u8 gain = tda10021_readreg(state, 0x17); + if (config & 0x02) + /* the agc value is inverted */ + gain = ~gain; *strength = (gain << 8) | gain; return 0; -- cgit v1.2.3