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Commit 2c47e7f3 authored by Adrian Bunk's avatar Adrian Bunk Committed by Greg Kroah-Hartman
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[PATCH] USB: drivers/usb/media/pwc/: make code static 



This patch makes needlessly global code static.

Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 7107627b

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

+39 −39
Original line number Diff line number Diff line
@@ -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;

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

+1 −1
Original line number Diff line number Diff line
@@ -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];

drivers/usb/media/pwc/pwc.h

+1 −5
Original line number Diff line number Diff line
@@ -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 */