V4L/DVB (4147): Drivers/media/video/pwc/: make code static

This patch makes the following needlessly global code static:
- pwc-ctrl.c: pwc_get_leds()
- pwc_preferred_compression
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/pwc/pwc-ctrl.c

@@ -925,7 +925,7 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
 	return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
 }
 
-int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
+static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
 {
 	unsigned char buf[2];
 	int ret;

drivers/media/video/pwc/pwc-if.c

@@ -133,7 +133,7 @@ static int default_fbufs = 3;   /* Default number of frame buffers */
 #endif
 static int power_save = 0;
 static int led_on = 100, led_off = 0; /* defaults to LED that is on while in use */
-       int pwc_preferred_compression = 1; /* 0..3 = uncompressed..high */
+static int pwc_preferred_compression = 1; /* 0..3 = uncompressed..high */
 static struct {
 	int type;
 	char serial_number[30];

drivers/media/video/pwc/pwc.h

@@ -274,7 +274,6 @@ extern "C" {
 #if CONFIG_PWC_DEBUG
 extern int pwc_trace;
 #endif
-extern int pwc_preferred_compression;
 extern int pwc_mbufs;
 
 /** functions in pwc-if.c */
@@ -308,7 +307,6 @@ extern int pwc_set_gamma(struct pwc_device *pdev, int value);
 extern int pwc_get_saturation(struct pwc_device *pdev, int *value);
 extern int pwc_set_saturation(struct pwc_device *pdev, int value);
 extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value);
-extern int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value);
 extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor);
 extern int pwc_restore_user(struct pwc_device *pdev);
 extern int pwc_save_user(struct pwc_device *pdev);