Get rid of some "unused variable" warnings.  These were the result of
sloppiness and should not have happened; I'll go stand in the corner now.
Reported-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
        struct v4l2_captureparm *cp = &parms->parm.capture;
        struct v4l2_fract *tpf = &cp->timeperframe;
        struct ov7670_info *info = to_state(sd);
-       unsigned char clkrc;
-       int ret, div;
+       int div;
 
        if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
                return -EINVAL;
 
        ret = ov7670_read(sd, REG_COM8, &com8);
        if (com8 & COM8_AEC)
-               *value = V4L2_EXPOSURE_AUTO;
+               *atype = V4L2_EXPOSURE_AUTO;
        else
-               *value = V4L2_EXPOSURE_MANUAL;
+               *atype = V4L2_EXPOSURE_MANUAL;
        return ret;
 }