V4L/DVB (6264): Make the vertical lines to move

While this is not the standard color bar behaviour, having some movement
there allows to check if buffers are being properly handled.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 11 insertions, 6 deletions

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 01c977671311..650e959aeb78 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -229,9 +229,8 @@ static u8 bars[8][3] = {
 #define TSTAMP_MAX_Y TSTAMP_MIN_Y+15
 #define TSTAMP_MIN_X 64
 
-
 static void gen_line(char *basep,int inipos,int wmax,
-                     int hmax, int line, char *timestr)
+                     int hmax, int line, int count, char *timestr)
 {
         int  w,i,j,pos=inipos,y;
         char *p,*s;
@@ -242,9 +241,10 @@ static void gen_line(char *basep,int inipos,int wmax,
 
         /* Generate a standard color bar pattern */
         for (w=0;w<wmax;w++) {
-                r=bars[w*7/wmax][0];
-                g=bars[w*7/wmax][1];
-                b=bars[w*7/wmax][2];
+                int colorpos=((w+count)*8/(wmax+1)) % 8;
+                r=bars[colorpos][0];
+                g=bars[colorpos][1];
+                b=bars[colorpos][2];
 
                 for (color=0;color<4;color++) {
                         p=basep+pos;
@@ -327,18 +327,23 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf)
         struct timeval ts;
         char *tmpbuf = kmalloc(wmax*2,GFP_KERNEL);
         void *vbuf=videobuf_to_vmalloc (&buf->vb);
+        /* FIXME: move to dev struct */
+        static int mv_count=0;
 
         if (!tmpbuf)
                 return;
 
         for (h=0;h<hmax;h++) {
-                gen_line(tmpbuf,0,wmax,hmax,h,dev->timestr);
+                gen_line(tmpbuf,0,wmax,hmax,h,mv_count,
+                         dev->timestr);
                 /* FIXME: replacing to __copy_to_user */
                 if (copy_to_user(vbuf+pos,tmpbuf,wmax*2)!=0)
                         dprintk(2,"vivifill copy_to_user failed.\n");
                 pos += wmax*2;
         }
 
+        mv_count++;
+
         kfree(tmpbuf);
 
         /* Updates stream time */