[media] m88rs2000: Correct m88rs2000_get_fec

Value of fec is achieved by the upper nibble bits 6,7 & 8.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c
index 002b109d9383..b2351466b0da 100644
--- a/drivers/media/dvb-frontends/m88rs2000.c
+++ b/drivers/media/dvb-frontends/m88rs2000.c
@@ -581,18 +581,20 @@ static fe_code_rate_t m88rs2000_get_fec(struct m88rs2000_state *state)
         reg = m88rs2000_readreg(state, 0x76);
         m88rs2000_writereg(state, 0x9a, 0xb0);
 
+        reg &= 0xf0;
+        reg >>= 5;
+
         switch (reg) {
-        case 0x88:
+        case 0x4:
                 return FEC_1_2;
-        case 0x68:
+        case 0x3:
                 return FEC_2_3;
-        case 0x48:
+        case 0x2:
                 return FEC_3_4;
-        case 0x28:
+        case 0x1:
                 return FEC_5_6;
-        case 0x18:
+        case 0x0:
                 return FEC_7_8;
-        case 0x08:
         default:
                 break;
         }