[media] Properly implement ITU-T J.88 Annex C support

The Annex C support were broken with the previous implementation,
as, at xc5000 and tda18271c2dd, it were choosing the wrong bandwidth
for some symbol rates.

At DRX-J, it were always selecting Annex A, even having Annex C
support coded there.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
index f6431ef827dc..dc13fd86c4f5 100644
--- a/drivers/media/dvb/frontends/drxk_hard.c
+++ b/drivers/media/dvb/frontends/drxk_hard.c
@@ -6218,6 +6218,13 @@ static int drxk_set_parameters(struct dvb_frontend *fe,
                 return -EINVAL;
         }
 
+        if (state->m_OperationMode == OM_QAM_ITU_A ||
+            state->m_OperationMode == OM_QAM_ITU_C) {
+                if (fe->dtv_property_cache.rolloff == ROLLOFF_13)
+                        state->m_OperationMode = OM_QAM_ITU_C;
+                else
+                        state->m_OperationMode = OM_QAM_ITU_A;
+        }
 
         if (fe->ops.i2c_gate_ctrl)
                 fe->ops.i2c_gate_ctrl(fe, 1);