[media] ix2505v: use DVBv5 parameters on set_params()

Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/ix2505v.c b/drivers/media/dvb/frontends/ix2505v.c
index 9a517a4..aca4817 100644
--- a/drivers/media/dvb/frontends/ix2505v.c
+++ b/drivers/media/dvb/frontends/ix2505v.c
@@ -132,9 +132,10 @@
 static int ix2505v_set_params(struct dvb_frontend *fe,
 		struct dvb_frontend_parameters *params)
 {
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 	struct ix2505v_state *state = fe->tuner_priv;
-	u32 frequency = params->frequency;
-	u32 b_w  = (params->u.qpsk.symbol_rate * 27) / 32000;
+	u32 frequency = c->frequency;
+	u32 b_w  = (c->symbol_rate * 27) / 32000;
 	u32 div_factor, N , A, x;
 	int ret = 0, len;
 	u8 gain, cc, ref, psc, local_osc, lpf;