lkml.org 
[lkml]   [2005]   [Apr]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[2.6 patch] drivers/usb/media/pwc/: make code static
This patch makes needlessly global code static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

---
drivers/usb/media/pwc/pwc-ctrl.c | 76 +++++++++++++++----------------
drivers/usb/media/pwc/pwc-if.c | 2
drivers/usb/media/pwc/pwc.h | 6 --
3 files changed, 40 insertions(+), 44 deletions(-)
--- linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc.h.old 2005-04-18 03:11:14.000000000 +0200
+++ linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc.h 2005-04-18 03:13:28.000000000 +0200
@@ -226,9 +226,8 @@
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 @@
/** 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_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 */
--- linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc-ctrl.c.old 2005-04-18 03:11:29.000000000 +0200
+++ linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc-ctrl.c 2005-04-18 03:24:41.000000000 +0200
@@ -418,6 +418,44 @@



+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 @@
}


-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)
--- linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc-if.c.old 2005-04-18 03:13:37.000000000 +0200
+++ linux-2.6.12-rc2-mm3-full/drivers/usb/media/pwc/pwc-if.c 2005-04-18 03:13:53.000000000 +0200
@@ -129,7 +129,7 @@
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];
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-04-18 04:09    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site