[media] mt2063: Rewrite tuning logic

Several vars at set_parms functions were set, but unused.
 Remove them and change the logic to return -EINVAL if the
analog set_param is used for digital mode.

At the analog side, cleans the logic that sets the several
analog standards.

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

diff --git a/drivers/media/common/tuners/mt2063.c b/drivers/media/common/tuners/mt2063.c
index cd67417..b72105d 100644 (file)
--- a/drivers/media/common/tuners/mt2063.c
+++ b/drivers/media/common/tuners/mt2063.c
@@ -2013,14 +2013,11 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
                                    struct analog_parameters *params)
 {
        struct mt2063_state *state = fe->tuner_priv;
-       s32 pict_car = 0;
-       s32 pict2chanb_vsb = 0;
-       s32 pict2chanb_snd = 0;
-       s32 pict2snd1 = 0;
-       s32 pict2snd2 = 0;
-       s32 ch_bw = 0;
-       s32 if_mid = 0;
-       s32 rcvr_mode = 0;
+       s32 pict_car;
+       s32 pict2chanb_vsb;
+       s32 ch_bw;
+       s32 if_mid;
+       s32 rcvr_mode;
        int status;
 
        dprintk(2, "\n");
@@ -2030,8 +2027,6 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
                pict_car = 38900000;
                ch_bw = 8000000;
                pict2chanb_vsb = -(ch_bw / 2);
-               pict2snd1 = 0;
-               pict2snd2 = 0;
                rcvr_mode = MT2063_OFFAIR_ANALOG;
                break;
        case V4L2_TUNER_ANALOG_TV:
@@ -2040,42 +2035,19 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
                        pict_car = 38900000;
                        ch_bw = 6000000;
                        pict2chanb_vsb = -1250000;
-                       pict2snd1 = 4500000;
-                       pict2snd2 = 0;
-               } else if (params->std & V4L2_STD_PAL_I) {
-                       pict_car = 38900000;
-                       ch_bw = 8000000;
-                       pict2chanb_vsb = -1250000;
-                       pict2snd1 = 6000000;
-                       pict2snd2 = 0;
-               } else if (params->std & V4L2_STD_PAL_B) {
-                       pict_car = 38900000;
-                       ch_bw = 8000000;
-                       pict2chanb_vsb = -1250000;
-                       pict2snd1 = 5500000;
-                       pict2snd2 = 5742000;
                } else if (params->std & V4L2_STD_PAL_G) {
                        pict_car = 38900000;
                        ch_bw = 7000000;
                        pict2chanb_vsb = -1250000;
-                       pict2snd1 = 5500000;
-                       pict2snd2 = 0;
-               } else if (params->std & V4L2_STD_PAL_DK) {
+               } else {                /* PAL/SECAM standards */
                        pict_car = 38900000;
                        ch_bw = 8000000;
                        pict2chanb_vsb = -1250000;
-                       pict2snd1 = 6500000;
-                       pict2snd2 = 0;
-               } else {        /* PAL-L */
-                       pict_car = 38900000;
-                       ch_bw = 8000000;
-                       pict2chanb_vsb = -1250000;
-                       pict2snd1 = 6500000;
-                       pict2snd2 = 0;
                }
                break;
+       default:
+               return -EINVAL;
        }
-       pict2chanb_snd = pict2chanb_vsb - ch_bw;
        if_mid = pict_car - (pict2chanb_vsb + (ch_bw / 2));
 
        state->AS_Data.f_LO2_Step = 125000;     /* FIXME: probably 5000 for FM */
@@ -2107,14 +2079,11 @@ 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;
-       s32 pict2chanb_vsb = 0;
-       s32 pict2chanb_snd = 0;
-       s32 pict2snd1 = 0;
-       s32 pict2snd2 = 0;
-       s32 ch_bw = 0;
-       s32 if_mid = 0;
-       s32 rcvr_mode = 0;
+       s32 pict_car;
+       s32 pict2chanb_vsb;
+       s32 ch_bw;
+       s32 if_mid;
+       s32 rcvr_mode;
 
        dprintk(2, "\n");
 
@@ -2132,21 +2101,16 @@ static int mt2063_set_params(struct dvb_frontend *fe)
                rcvr_mode = MT2063_OFFAIR_COFDM;
                pict_car = 36125000;
                pict2chanb_vsb = -(ch_bw / 2);
-               pict2snd1 = 0;
-               pict2snd2 = 0;
                break;
        case SYS_DVBC_ANNEX_A:
        case SYS_DVBC_ANNEX_C:
                rcvr_mode = MT2063_CABLE_QAM;
                pict_car = 36125000;
-               pict2snd1 = 0;
-               pict2snd2 = 0;
                pict2chanb_vsb = -(ch_bw / 2);
                break;
        default:
                return -EINVAL;
        }
-       pict2chanb_snd = pict2chanb_vsb - ch_bw;
        if_mid = pict_car - (pict2chanb_vsb + (ch_bw / 2));
 
        state->AS_Data.f_LO2_Step = 125000;     /* FIXME: probably 5000 for FM */