[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>

diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 89ac462..f344411 100644 (file)
--- 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;
 }