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path: root/drivers/media/dvb/frontends/zl10353.c
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Diffstat (limited to 'drivers/media/dvb/frontends/zl10353.c')
-rw-r--r--drivers/media/dvb/frontends/zl10353.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
index 36a5a1c101d..170720b0281 100644
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -220,15 +220,18 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
/* These are extrapolated from the 7 and 8MHz values */
zl10353_single_write(fe, MCLK_RATIO, 0x97);
zl10353_single_write(fe, 0x64, 0x34);
+ zl10353_single_write(fe, 0xcc, 0xdd);
break;
case BANDWIDTH_7_MHZ:
zl10353_single_write(fe, MCLK_RATIO, 0x86);
zl10353_single_write(fe, 0x64, 0x35);
+ zl10353_single_write(fe, 0xcc, 0x73);
break;
case BANDWIDTH_8_MHZ:
default:
zl10353_single_write(fe, MCLK_RATIO, 0x75);
zl10353_single_write(fe, 0x64, 0x36);
+ zl10353_single_write(fe, 0xcc, 0x73);
}
zl10353_calc_nominal_rate(fe, op->bandwidth, &nominal_rate);
@@ -584,8 +587,15 @@ static int zl10353_init(struct dvb_frontend *fe)
static int zl10353_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
+ struct zl10353_state *state = fe->demodulator_priv;
u8 val = 0x0a;
+ if (state->config.no_tuner) {
+ /* No tuner attached to the internal I2C bus */
+ /* If set enable I2C bridge, the main I2C bus stopped hardly */
+ return 0;
+ }
+
if (enable)
val |= 0x10;