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authorAdrian Bunk <bunk@stusta.de>2005-04-22 15:07:00 -0700
committerGreg KH <gregkh@suse.de>2005-04-22 15:07:00 -0700
commit2c47e7f37830cc83e7c77f0d5b7d4ac15105475b (patch)
tree051be37e98b7f5a1fe590818c1044ea3aac3f42a
parent[PATCH] USB: drivers/usb/media/sn9c102_core.c: make 2 functions static (diff)
downloadlinux-dev-2c47e7f37830cc83e7c77f0d5b7d4ac15105475b.tar.xz
linux-dev-2c47e7f37830cc83e7c77f0d5b7d4ac15105475b.zip
[PATCH] USB: drivers/usb/media/pwc/: make code static
This patch makes needlessly global code static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/media/pwc/pwc-ctrl.c78
-rw-r--r--drivers/usb/media/pwc/pwc-if.c2
-rw-r--r--drivers/usb/media/pwc/pwc.h6
3 files changed, 41 insertions, 45 deletions
diff --git a/drivers/usb/media/pwc/pwc-ctrl.c b/drivers/usb/media/pwc/pwc-ctrl.c
index 26aa914bc541..42352f531bc0 100644
--- a/drivers/usb/media/pwc/pwc-ctrl.c
+++ b/drivers/usb/media/pwc/pwc-ctrl.c
@@ -418,6 +418,44 @@ static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int fr
+static void pwc_set_image_buffer_size(struct pwc_device *pdev)
+{
+ int i, factor = 0, filler = 0;
+
+ /* for PALETTE_YUV420P */
+ switch(pdev->vpalette)
+ {
+ case VIDEO_PALETTE_YUV420P:
+ factor = 6;
+ filler = 128;
+ break;
+ case VIDEO_PALETTE_RAW:
+ factor = 6; /* can be uncompressed YUV420P */
+ filler = 0;
+ break;
+ }
+
+ /* Set sizes in bytes */
+ pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
+ pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
+
+ /* Align offset, or you'll get some very weird results in
+ YUV420 mode... x must be multiple of 4 (to get the Y's in
+ place), and y even (or you'll mixup U & V). This is less of a
+ problem for YUV420P.
+ */
+ pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
+ pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
+
+ /* Fill buffers with gray or black */
+ for (i = 0; i < MAX_IMAGES; i++) {
+ if (pdev->image_ptr[i] != NULL)
+ memset(pdev->image_ptr[i], filler, pdev->view.size);
+ }
+}
+
+
+
/**
@pdev: device structure
@width: viewport width
@@ -475,44 +513,6 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame
}
-void pwc_set_image_buffer_size(struct pwc_device *pdev)
-{
- int i, factor = 0, filler = 0;
-
- /* for PALETTE_YUV420P */
- switch(pdev->vpalette)
- {
- case VIDEO_PALETTE_YUV420P:
- factor = 6;
- filler = 128;
- break;
- case VIDEO_PALETTE_RAW:
- factor = 6; /* can be uncompressed YUV420P */
- filler = 0;
- break;
- }
-
- /* Set sizes in bytes */
- pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
- pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
-
- /* Align offset, or you'll get some very weird results in
- YUV420 mode... x must be multiple of 4 (to get the Y's in
- place), and y even (or you'll mixup U & V). This is less of a
- problem for YUV420P.
- */
- pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
- pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
-
- /* Fill buffers with gray or black */
- for (i = 0; i < MAX_IMAGES; i++) {
- if (pdev->image_ptr[i] != NULL)
- memset(pdev->image_ptr[i], filler, pdev->view.size);
- }
-}
-
-
-
/* BRIGHTNESS */
int pwc_get_brightness(struct pwc_device *pdev)
@@ -949,7 +949,7 @@ 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;
diff --git a/drivers/usb/media/pwc/pwc-if.c b/drivers/usb/media/pwc/pwc-if.c
index 100a5a4f03a3..c3c3e5a101d9 100644
--- a/drivers/usb/media/pwc/pwc-if.c
+++ b/drivers/usb/media/pwc/pwc-if.c
@@ -129,7 +129,7 @@ static int default_mbufs = 2; /* Default number of mmap() buffers */
int pwc_trace = TRACE_MODULE | TRACE_FLOW | TRACE_PWCX;
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 = 2; /* 0..3 = uncompressed..high */
+static int pwc_preferred_compression = 2; /* 0..3 = uncompressed..high */
static struct {
int type;
char serial_number[30];
diff --git a/drivers/usb/media/pwc/pwc.h b/drivers/usb/media/pwc/pwc.h
index 53b516d29cf5..267869dab185 100644
--- a/drivers/usb/media/pwc/pwc.h
+++ b/drivers/usb/media/pwc/pwc.h
@@ -226,9 +226,8 @@ struct pwc_device
extern "C" {
#endif
-/* Global variables */
+/* Global variable */
extern int pwc_trace;
-extern int pwc_preferred_compression;
/** functions in pwc-if.c */
int pwc_try_video_mode(struct pwc_device *pdev, int width, int height, int new_fps, int new_compression, int new_snapshot);
@@ -243,8 +242,6 @@ void pwc_construct(struct pwc_device *pdev);
/** Functions in pwc-ctrl.c */
/* Request a certain video mode. Returns < 0 if not possible */
extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
-/* Calculate the number of bytes per image (not frame) */
-extern void pwc_set_image_buffer_size(struct pwc_device *pdev);
/* Various controls; should be obvious. Value 0..65535, or < 0 on error */
extern int pwc_get_brightness(struct pwc_device *pdev);
@@ -256,7 +253,6 @@ extern int pwc_set_gamma(struct pwc_device *pdev, int value);
extern int pwc_get_saturation(struct pwc_device *pdev);
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);
/* Power down or up the camera; not supported by all models */