diff --git a/driver/isdb2056_device.c b/driver/isdb2056_device.c
index 95a5837..ad8a716 100644
--- a/driver/isdb2056_device.c
+++ b/driver/isdb2056_device.c
@@ -514,11 +514,11 @@ static int isdb2056_chrdev_tune(struct ptx_chrdev *chrdev,
            break;
        }

-       ret = tc90522_write_reg(&chrdev2056->tc90522_s, 0x07, 0x77);
+       ret = tc90522_write_reg(&chrdev2056->tc90522_s0, 0x07, 0x77);
        if (ret)
            break;

-       ret = tc90522_write_reg(&chrdev2056->tc90522_s, 0x08, 0x10);
+       ret = tc90522_write_reg(&chrdev2056->tc90522_s0, 0x08, 0x37);
        if (ret)
            break;

@@ -885,6 +885,11 @@ static int isdb2056_device_load_config(struct isdb2056_device *isdb2056,
    chrdev2056->tc90522_t.i2c_addr = 0x10;
    chrdev2056->tc90522_t.is_secondary = false;

+   chrdev2056->tc90522_s0.dev = dev;
+   chrdev2056->tc90522_s0.i2c = &it930x->i2c_master[2];
+   chrdev2056->tc90522_s0.i2c_addr = 0x11;
+   chrdev2056->tc90522_s0.is_secondary = false;
+
    chrdev2056->tc90522_s.dev = dev;
    chrdev2056->tc90522_s.i2c = &it930x->i2c_master[2];
    chrdev2056->tc90522_s.i2c_addr = 0x13;
diff --git a/driver/isdb2056_device.h b/driver/isdb2056_device.h
index 23bf872..509de82 100644
--- a/driver/isdb2056_device.h
+++ b/driver/isdb2056_device.h
@@ -26,6 +26,7 @@ struct isdb2056_chrdev {
    struct ptx_chrdev *chrdev;
    struct tc90522_demod tc90522_t;
    struct tc90522_demod tc90522_s;
+   struct tc90522_demod tc90522_s0;
    struct r850_tuner r850;
    struct rt710_tuner rt710;
 };