em28xx-dvb.c:
 - Remove unneeded xc3028_ctrl structure.  The driver automatically preserves
   the previous value
tuner-xc2028.c:
 - Make the return type for xc2028_get_reg signed, since all of the callers
   are looking for "< 0" to detect errors.
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
 static int attach_xc3028(u8 addr, struct em28xx *dev)
 {
        struct dvb_frontend *fe;
-       struct xc2028_ctrl ctl;
        struct xc2028_config cfg;
 
        memset(&cfg, 0, sizeof(cfg));
        cfg.i2c_adap  = &dev->i2c_adap;
        cfg.i2c_addr  = addr;
-       cfg.ctrl      = &ctl;
        cfg.callback  = em28xx_tuner_callback;
 
-       em28xx_setup_xc3028(dev, &ctl);
-
        if (!dev->dvb->frontend) {
                printk(KERN_ERR "%s/2: dvb frontend not attached. "
                                "Can't attach xc3028\n",
 
        _rc;                                                            \
 })
 
-static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val)
+static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val)
 {
        unsigned char buf[2];
        unsigned char ibuf[2];