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Commit 7cccccc3 authored by Hartmut Birr's avatar Hartmut Birr Committed by Mauro Carvalho Chehab
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V4L/DVB (6500): tda10021: Fix reported signal strength 



Fix reported signal strength value (higher value = higher signal strength).

Signed-off-by: default avatarHartmut Birr <e9hack@googlemail.com>
Signed-off-by: default avatarOliver Endriss <o.endriss@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 3de0e18b

drivers/media/dvb/frontends/tda10021.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -312,7 +312,11 @@ static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength) 
{

{

	struct tda10021_state* state = fe->demodulator_priv;

	struct tda10021_state* state = fe->demodulator_priv;





	u8 config = tda10021_readreg(state, 0x02);

	u8 gain = tda10021_readreg(state, 0x17);

	u8 gain = tda10021_readreg(state, 0x17);

	if (config & 0x02)

		/* the agc value is inverted */

		gain = ~gain;

	*strength = (gain << 8) | gain;

	*strength = (gain << 8) | gain;





	return 0;

	return 0;