[media] bttv: move fini_bttv_i2c() from bttv-input.c to bttv-i2c.c

Like init_bttv_i2c(), fini_bttv_i2c() belongs to bttv-i2c.c.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/pci/bt8xx/bttv-i2c.c

@@ -394,3 +394,11 @@ int init_bttv_i2c(struct bttv *btv)
 
 	return btv->i2c_rc;
 }
+
+int fini_bttv_i2c(struct bttv *btv)
+{
+	if (0 != btv->i2c_rc)
+		return 0;
+
+	return i2c_del_adapter(&btv->c.i2c_adap);
+}

drivers/media/pci/bt8xx/bttv-input.c

@@ -415,14 +415,6 @@ void init_bttv_i2c_ir(struct bttv *btv)
 #endif
 }
 
-int fini_bttv_i2c(struct bttv *btv)
-{
-	if (0 != btv->i2c_rc)
-		return 0;
-
-	return i2c_del_adapter(&btv->c.i2c_adap);
-}
-
 int bttv_input_init(struct bttv *btv)
 {
 	struct bttv_ir *ir;

drivers/media/pci/bt8xx/bttvp.h

@@ -300,6 +300,10 @@ extern int no_overlay;
 /* bttv-input.c                                               */
 
 extern void init_bttv_i2c_ir(struct bttv *btv);
+
+/* ---------------------------------------------------------- */
+/* bttv-i2c.c                                                 */
+extern int init_bttv_i2c(struct bttv *btv);
 extern int fini_bttv_i2c(struct bttv *btv);
 
 /* ---------------------------------------------------------- */
@@ -310,7 +314,6 @@ extern unsigned int bttv_verbose;
 extern unsigned int bttv_debug;
 extern unsigned int bttv_gpio;
 extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
-extern int init_bttv_i2c(struct bttv *btv);
 
 #define dprintk(fmt, ...)			\
 do {						\