V4L/DVB (7022): Fix timestamp presentation on vivi driver
authorMauro Carvalho Chehab <mchehab@infradead.org>
Sun, 13 Jan 2008 22:36:11 +0000 (19:36 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Fri, 25 Jan 2008 21:04:56 +0000 (19:04 -0200)
Due to date overflow, vivi were not working fine anymore.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/vivi.c

index c9d23633fe42880a7fd95b94414585ac0024a8a7..1db067c028157609c895b0124e72143acd94c8b2 100644 (file)
@@ -173,7 +173,8 @@ struct vivi_dev {
        struct vivi_dmaqueue       vidq;
 
        /* Several counters */
-       int                        h, m, s, us, jiffies;
+       int                        h, m, s, ms;
+       unsigned long              jiffies;
        char                       timestr[13];
 
        int                        mv_count;    /* Controls bars movement */
@@ -348,10 +349,10 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
 
        /* Updates stream time */
 
-       dev->us += jiffies_to_usecs(jiffies-dev->jiffies);
+       dev->ms += jiffies_to_msecs(jiffies-dev->jiffies);
        dev->jiffies = jiffies;
-       if (dev->us >= 1000000) {
-               dev->us -= 1000000;
+       if (dev->ms >= 1000) {
+               dev->ms -= 1000;
                dev->s++;
                if (dev->s >= 60) {
                        dev->s -= 60;
@@ -365,7 +366,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
                }
        }
        sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
-                       dev->h, dev->m, dev->s,  (dev->us + 500) / 1000);
+                       dev->h, dev->m, dev->s, dev->ms);
 
        dprintk(dev, 2, "vivifill at %s: Buffer 0x%08lx size= %d\n",
                        dev->timestr, (unsigned long)tmpbuf, pos);
@@ -1073,11 +1074,11 @@ found:
        dev->h = 0;
        dev->m = 0;
        dev->s = 0;
-       dev->us = 0;
+       dev->ms = 0;
        dev->mv_count = 0;
        dev->jiffies = jiffies;
        sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
-                       dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
+                       dev->h, dev->m, dev->s, dev->ms);
 
        videobuf_queue_vmalloc_init(&fh->vb_vidq, &vivi_video_qops,
                        NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,