[media] au0828: get rid of warning: no previous prototype

drivers/media/usb/au0828/au0828-cards.c:28:6: warning: no previous prototype for 'hvr950q_cs5340_audio' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:161:6: warning: no previous prototype for 'au0828_uninit_isoc' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:200:5: warning: no previous prototype for 'au0828_init_isoc' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:786:5: warning: no previous prototype for 'au0828_analog_stream_enable' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:813:6: warning: no previous prototype for 'au0828_analog_stream_reset' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:916:6: warning: no previous prototype for 'au0828_vid_buffer_timeout' [-Wmissing-prototypes]
drivers/media/usb/au0828/au0828-video.c:940:6: warning: no previous prototype for 'au0828_vbi_buffer_timeout' [-Wmissing-prototypes]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/au0828/au0828-cards.c

@@ -25,7 +25,7 @@
 #include "media/tuner.h"
 #include "media/v4l2-common.h"
 
-void hvr950q_cs5340_audio(void *priv, int enable)
+static void hvr950q_cs5340_audio(void *priv, int enable)
 {
 	/* Because the HVR-950q shares an i2s bus between the cs5340 and the
 	   au8522, we need to hold cs5340 in reset when using the au8522 */

drivers/media/usb/au0828/au0828-video.c

@@ -158,7 +158,7 @@ static void au0828_irq_callback(struct urb *urb)
 /*
  * Stop and Deallocate URBs
  */
-void au0828_uninit_isoc(struct au0828_dev *dev)
+static void au0828_uninit_isoc(struct au0828_dev *dev)
 {
 	struct urb *urb;
 	int i;
@@ -197,9 +197,9 @@ void au0828_uninit_isoc(struct au0828_dev *dev)
 /*
  * Allocate URBs and start IRQ
  */
-int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
-		     int num_bufs, int max_pkt_size,
-		     int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb))
+static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
+			    int num_bufs, int max_pkt_size,
+			    int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb))
 {
 	struct au0828_dmaqueue *dma_q = &dev->vidq;
 	int i;
@@ -783,7 +783,7 @@ static int au0828_i2s_init(struct au0828_dev *dev)
  * Auvitek au0828 analog stream enable
  * Please set interface0 to AS5 before enable the stream
  */
-int au0828_analog_stream_enable(struct au0828_dev *d)
+static int au0828_analog_stream_enable(struct au0828_dev *d)
 {
 	dprintk(1, "au0828_analog_stream_enable called\n");
 	au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00);
@@ -810,7 +810,7 @@ int au0828_analog_stream_disable(struct au0828_dev *d)
 	return 0;
 }
 
-void au0828_analog_stream_reset(struct au0828_dev *dev)
+static void au0828_analog_stream_reset(struct au0828_dev *dev)
 {
 	dprintk(1, "au0828_analog_stream_reset called\n");
 	au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0);
@@ -913,7 +913,7 @@ static int get_ressource(struct au0828_fh *fh)
 /* This function ensures that video frames continue to be delivered even if
    the ITU-656 input isn't receiving any data (thereby preventing applications
    such as tvtime from hanging) */
-void au0828_vid_buffer_timeout(unsigned long data)
+static void au0828_vid_buffer_timeout(unsigned long data)
 {
 	struct au0828_dev *dev = (struct au0828_dev *) data;
 	struct au0828_dmaqueue *dma_q = &dev->vidq;
@@ -937,7 +937,7 @@ void au0828_vid_buffer_timeout(unsigned long data)
 	spin_unlock_irqrestore(&dev->slock, flags);
 }
 
-void au0828_vbi_buffer_timeout(unsigned long data)
+static void au0828_vbi_buffer_timeout(unsigned long data)
 {
 	struct au0828_dev *dev = (struct au0828_dev *) data;
 	struct au0828_dmaqueue *dma_q = &dev->vbiq;