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| author | Hartmut Birr <e9hack@googlemail.com> | 2007-10-31 05:57:58 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-05 00:41:25 +0100 |
| commit | 7cccccc33aa9ab7171ca05c0b59c62912509b23e (patch) | |
| tree | 1f2fc8be2d4e5e7c76172df335cdf32acbf7aef8 /drivers/media | |
| parent | V4L/DVB (6499): tda10021: Bit error counting fixed (diff) | |
| download | linux-7cccccc33aa9ab7171ca05c0b59c62912509b23e.tar.xz linux-7cccccc33aa9ab7171ca05c0b59c62912509b23e.zip | |
V4L/DVB (6500): tda10021: Fix reported signal strength
Fix reported signal strength value (higher value = higher signal strength).
Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/tda10021.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c index 5ee729846a9f..45137d2ebfb9 100644 --- a/drivers/media/dvb/frontends/tda10021.c +++ b/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; |