V4L/DVB (12485): zl10353: correct implementation of FE_READ_UNCORRECTED_BLOCKS

Makes zl10353 a bit more DVB API compliant:
FE_READ_UNCORRECTED_BLOCKS - keep a counter of UNC blocks
FE_GET_FRONTEND - return last set frequency instead of zero

Signed-off-by: Aleksandr V. Piskunov <alexandr.v.piskunov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
index 66f5c1f..8c61271 100644 (file)
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -38,6 +38,8 @@ struct zl10353_state {
        struct zl10353_config config;
 
        enum fe_bandwidth bandwidth;
+       u32 ucblocks;
+       u32 frequency;
 };
 
 static int debug;
@@ -199,6 +201,8 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
        u16 tps = 0;
        struct dvb_ofdm_parameters *op = &param->u.ofdm;
 
+       state->frequency = param->frequency;
+
        zl10353_single_write(fe, RESET, 0x80);
        udelay(200);
        zl10353_single_write(fe, 0xEA, 0x01);
@@ -464,7 +468,7 @@ static int zl10353_get_parameters(struct dvb_frontend *fe,
                break;
        }
 
-       param->frequency = 0;
+       param->frequency = state->frequency;
        op->bandwidth = state->bandwidth;
        param->inversion = INVERSION_AUTO;
 
@@ -542,9 +546,13 @@ static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr)
 static int zl10353_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
        struct zl10353_state *state = fe->demodulator_priv;
+       u32 ubl = 0;
+
+       ubl = zl10353_read_register(state, RS_UBC_1) << 8 |
+            zl10353_read_register(state, RS_UBC_0);
 
-       *ucblocks = zl10353_read_register(state, RS_UBC_1) << 8 |
-                   zl10353_read_register(state, RS_UBC_0);
+       state->ucblocks += ubl;
+       *ucblocks = state->ucblocks;
 
        return 0;
 }