[media] stb0899: fixed reading of IF_AGC_GAIN register

When reading IF_AGC_GAIN register a wrong value for the base address
register was used (STB0899_DEMOD instead of STB0899_S2DEMOD). That
lead to a wrong signal strength value on DVB-S2 transponders.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Acked-by: Klaus Schmidinger <Klaus.Schmidinger@tvdr.de>
Cc: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index d38f555..097e706 100644 (file)
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -983,7 +983,7 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
                break;
        case SYS_DVBS2:
                if (internal->lock) {
-                       reg = STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN);
+                       reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_GAIN);
                        val = STB0899_GETFIELD(IF_AGC_GAIN, reg);
 
                        *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val);