V4L/DVB (4433): Soft decision threshold

Set the Soft decision threshold properly for the specified FEC

Signed-off-by: Yeasah Pell <yeasah@schwide.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c
index 274a87b7a5d5..3acd0d7f0b2c 100644
--- a/drivers/media/dvb/frontends/cx24123.c
+++ b/drivers/media/dvb/frontends/cx24123.c
@@ -321,6 +321,12 @@ static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec)
         if ( (fec < FEC_NONE) || (fec > FEC_AUTO) )
                 fec = FEC_AUTO;
 
+        /* Set the soft decision threshold */
+        if(fec == FEC_1_2)
+                cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) | 0x01);
+        else
+                cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) & ~0x01);
+
         switch (fec) {
         case FEC_1_2:
                 dprintk("%s:  set FEC to 1/2\n",__FUNCTION__);