[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>
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7107627b04
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@ -418,6 +418,44 @@ static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int fr
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static void pwc_set_image_buffer_size(struct pwc_device *pdev)
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{
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int i, factor = 0, filler = 0;
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/* for PALETTE_YUV420P */
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switch(pdev->vpalette)
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{
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case VIDEO_PALETTE_YUV420P:
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factor = 6;
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filler = 128;
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break;
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case VIDEO_PALETTE_RAW:
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factor = 6; /* can be uncompressed YUV420P */
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filler = 0;
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break;
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}
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/* Set sizes in bytes */
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pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
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pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
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/* Align offset, or you'll get some very weird results in
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YUV420 mode... x must be multiple of 4 (to get the Y's in
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place), and y even (or you'll mixup U & V). This is less of a
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problem for YUV420P.
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*/
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pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
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pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
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/* Fill buffers with gray or black */
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for (i = 0; i < MAX_IMAGES; i++) {
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if (pdev->image_ptr[i] != NULL)
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memset(pdev->image_ptr[i], filler, pdev->view.size);
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}
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}
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/**
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@pdev: device structure
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@width: viewport width
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@ -475,44 +513,6 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame
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}
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void pwc_set_image_buffer_size(struct pwc_device *pdev)
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{
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int i, factor = 0, filler = 0;
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/* for PALETTE_YUV420P */
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switch(pdev->vpalette)
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{
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case VIDEO_PALETTE_YUV420P:
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factor = 6;
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filler = 128;
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break;
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case VIDEO_PALETTE_RAW:
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factor = 6; /* can be uncompressed YUV420P */
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filler = 0;
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break;
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}
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/* Set sizes in bytes */
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pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
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pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
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/* Align offset, or you'll get some very weird results in
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YUV420 mode... x must be multiple of 4 (to get the Y's in
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place), and y even (or you'll mixup U & V). This is less of a
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problem for YUV420P.
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*/
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pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
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pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
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/* Fill buffers with gray or black */
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for (i = 0; i < MAX_IMAGES; i++) {
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if (pdev->image_ptr[i] != NULL)
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memset(pdev->image_ptr[i], filler, pdev->view.size);
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}
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}
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/* BRIGHTNESS */
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int pwc_get_brightness(struct pwc_device *pdev)
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@ -949,7 +949,7 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
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return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
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}
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int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
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static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
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{
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unsigned char buf[2];
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int ret;
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@ -129,7 +129,7 @@ static int default_mbufs = 2; /* Default number of mmap() buffers */
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int pwc_trace = TRACE_MODULE | TRACE_FLOW | TRACE_PWCX;
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static int power_save = 0;
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static int led_on = 100, led_off = 0; /* defaults to LED that is on while in use */
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int pwc_preferred_compression = 2; /* 0..3 = uncompressed..high */
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static int pwc_preferred_compression = 2; /* 0..3 = uncompressed..high */
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static struct {
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int type;
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char serial_number[30];
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@ -226,9 +226,8 @@ struct pwc_device
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extern "C" {
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#endif
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/* Global variables */
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/* Global variable */
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extern int pwc_trace;
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extern int pwc_preferred_compression;
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/** functions in pwc-if.c */
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int pwc_try_video_mode(struct pwc_device *pdev, int width, int height, int new_fps, int new_compression, int new_snapshot);
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@ -243,8 +242,6 @@ void pwc_construct(struct pwc_device *pdev);
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/** Functions in pwc-ctrl.c */
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/* Request a certain video mode. Returns < 0 if not possible */
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extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
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/* Calculate the number of bytes per image (not frame) */
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extern void pwc_set_image_buffer_size(struct pwc_device *pdev);
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/* Various controls; should be obvious. Value 0..65535, or < 0 on error */
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extern int pwc_get_brightness(struct pwc_device *pdev);
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@ -256,7 +253,6 @@ extern int pwc_set_gamma(struct pwc_device *pdev, int value);
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extern int pwc_get_saturation(struct pwc_device *pdev);
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extern int pwc_set_saturation(struct pwc_device *pdev, int value);
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extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value);
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extern int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value);
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extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor);
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/* Power down or up the camera; not supported by all models */
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