[media] usbvision: remove broken testpattern

Enabling force_testpattern module parameter in usbvision causes kernel panic.
Things like that does not belong to the kernel anyway so the fix is easy.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 92 deletions

diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 89ac46277031..f344411a4578 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -49,10 +49,6 @@ static unsigned int core_debug;
 module_param(core_debug, int, 0644);
 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
 
-static unsigned int force_testpattern;
-module_param(force_testpattern, int, 0644);
-MODULE_PARM_DESC(force_testpattern, "enable test pattern display [core]");
-
 static int adjust_compression = 1;      /* Set the compression to be adaptive */
 module_param(adjust_compression, int, 0444);
 MODULE_PARM_DESC(adjust_compression, " Set the ADPCM compression for the device.  Default: 1 (On)");
@@ -388,90 +384,6 @@ void usbvision_scratch_free(struct usb_usbvision *usbvision)
 }
 
 /*
- * usbvision_testpattern()
- *
- * Procedure forms a test pattern (yellow grid on blue background).
- *
- * Parameters:
- * fullframe:   if TRUE then entire frame is filled, otherwise the procedure
- *              continues from the current scanline.
- * pmode        0: fill the frame with solid blue color (like on VCR or TV)
- *              1: Draw a colored grid
- *
- */
-static void usbvision_testpattern(struct usb_usbvision *usbvision,
-                                  int fullframe, int pmode)
-{
-        static const char proc[] = "usbvision_testpattern";
-        struct usbvision_frame *frame;
-        unsigned char *f;
-        int num_cell = 0;
-        int scan_length = 0;
-        static int num_pass;
-
-        if (usbvision == NULL) {
-                printk(KERN_ERR "%s: usbvision == NULL\n", proc);
-                return;
-        }
-        if (usbvision->cur_frame == NULL) {
-                printk(KERN_ERR "%s: usbvision->cur_frame is NULL.\n", proc);
-                return;
-        }
-
-        /* Grab the current frame */
-        frame = usbvision->cur_frame;
-
-        /* Optionally start at the beginning */
-        if (fullframe) {
-                frame->curline = 0;
-                frame->scanlength = 0;
-        }
-
-        /* Form every scan line */
-        for (; frame->curline < frame->frmheight; frame->curline++) {
-                int i;
-
-                f = frame->data + (usbvision->curwidth * 3 * frame->curline);
-                for (i = 0; i < usbvision->curwidth; i++) {
-                        unsigned char cb = 0x80;
-                        unsigned char cg = 0;
-                        unsigned char cr = 0;
-
-                        if (pmode == 1) {
-                                if (frame->curline % 32 == 0)
-                                        cb = 0, cg = cr = 0xFF;
-                                else if (i % 32 == 0) {
-                                        if (frame->curline % 32 == 1)
-                                                num_cell++;
-                                        cb = 0, cg = cr = 0xFF;
-                                } else {
-                                        cb =
-                                            ((num_cell * 7) +
-                                             num_pass) & 0xFF;
-                                        cg =
-                                            ((num_cell * 5) +
-                                             num_pass * 2) & 0xFF;
-                                        cr =
-                                            ((num_cell * 3) +
-                                             num_pass * 3) & 0xFF;
-                                }
-                        } else {
-                                /* Just the blue screen */
-                        }
-
-                        *f++ = cb;
-                        *f++ = cg;
-                        *f++ = cr;
-                        scan_length += 3;
-                }
-        }
-
-        frame->grabstate = frame_state_done;
-        frame->scanlength += scan_length;
-        ++num_pass;
-}
-
-/*
  * usbvision_decompress_alloc()
  *
  * allocates intermediate buffer for decompression
@@ -571,10 +483,6 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
         frame->scanstate = scan_state_lines;
         frame->curline = 0;
 
-        if (force_testpattern) {
-                usbvision_testpattern(usbvision, 1, 1);
-                return parse_state_next_frame;
-        }
         return parse_state_continue;
 }