Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
drivers/media/common/tuners/mt2063.c | 46 ++++++++++++---------------------
1 files changed, 17 insertions(+), 29 deletions(-)
diff --git a/drivers/media/common/tuners/mt2063.c
b/drivers/media/common/tuners/mt2063.c
index b2678a4..75cb1d2 100644
--- a/drivers/media/common/tuners/mt2063.c
+++ b/drivers/media/common/tuners/mt2063.c
@@ -2051,9 +2051,9 @@ static int mt2063_set_analog_params(struct dvb_frontend
*fe,
*/
#define MAX_SYMBOL_RATE_6MHz 5217391
-static int mt2063_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
+static int mt2063_set_params(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct mt2063_state *state = fe->tuner_priv;
int status;
s32 pict_car = 0;
@@ -2065,37 +2065,25 @@ static int mt2063_set_params(struct dvb_frontend *fe,
s32 if_mid = 0;
s32 rcvr_mode = 0;
- switch (fe->ops.info.type) {
- case FE_OFDM:
- switch (params->u.ofdm.bandwidth) {
- case BANDWIDTH_6_MHZ:
- ch_bw = 6000000;
- break;
- case BANDWIDTH_7_MHZ:
- ch_bw = 7000000;
- break;
- case BANDWIDTH_8_MHZ:
- ch_bw = 8000000;
- break;
- default:
- return -EINVAL;
- }
+ if (c->bandwidth_hz == 0)
+ return -EINVAL;
+ if (c->bandwidth_hz <= 6000000)
+ ch_bw = 6000000;
+ else if (c->bandwidth_hz <= 7000000)
+ ch_bw = 7000000;
+ else
+ ch_bw = 8000000;
+
+ switch (c->delivery_system) {
+ case SYS_DVBT:
rcvr_mode = MT2063_OFFAIR_COFDM;
pict_car = 36125000;
pict2chanb_vsb = -(ch_bw / 2);
pict2snd1 = 0;
pict2snd2 = 0;
break;
- case FE_QAM:
- /*
- * Using a 8MHz bandwidth sometimes fail
- * with 6MHz-spaced channels, due to inter-carrier
- * interference. So, it is better to narrow-down the filter
- */
- if (params->u.qam.symbol_rate <= MAX_SYMBOL_RATE_6MHz)
- ch_bw = 6000000;
- else
- ch_bw = 8000000;
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
rcvr_mode = MT2063_CABLE_QAM;
pict_car = 36125000;
pict2snd1 = 0;
@@ -2115,12 +2103,12 @@ static int mt2063_set_params(struct dvb_frontend *fe,
if (status < 0)
return status;
- status = MT2063_Tune(state, (params->frequency + (pict2chanb_vsb +
(ch_bw / 2))));
+ status = MT2063_Tune(state, (c->frequency + (pict2chanb_vsb + (ch_bw /
2))));
if (status < 0)
return status;
- state->frequency = params->frequency;
+ state->frequency = c->frequency;
return 0;
}
--
1.7.7.5
--
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