V4L/DVB (12536): soc-camera: remove .gain and .exposure struct soc_camera_device...
[pandora-kernel.git] / drivers / media / video / v4l1-compat.c
index 02f2a6d..0c2105c 100644 (file)
@@ -76,9 +76,8 @@ get_v4l_control(struct file             *file,
                        dprintk("VIDIOC_G_CTRL: %d\n", err);
                        return 0;
                }
-               return ((ctrl2.value - qctrl2.minimum) * 65535
-                        + (qctrl2.maximum - qctrl2.minimum) / 2)
-                       / (qctrl2.maximum - qctrl2.minimum);
+               return DIV_ROUND_CLOSEST((ctrl2.value-qctrl2.minimum) * 65535,
+                                        qctrl2.maximum - qctrl2.minimum);
        }
        return 0;
 }
@@ -565,10 +564,9 @@ static noinline long v4l1_compat_get_input_info(
                break;
        }
        chan->norm = 0;
-       err = drv(file, VIDIOC_G_STD, &sid);
-       if (err < 0)
-               dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %ld\n", err);
-       if (err == 0) {
+       /* Note: G_STD might not be present for radio receivers,
+        * so we should ignore any errors. */
+       if (drv(file, VIDIOC_G_STD, &sid) == 0) {
                if (sid & V4L2_STD_PAL)
                        chan->norm = VIDEO_MODE_PAL;
                if (sid & V4L2_STD_NTSC)
@@ -777,10 +775,9 @@ static noinline long v4l1_compat_get_tuner(
                        tun->flags |= VIDEO_TUNER_SECAM;
        }
 
-       err = drv(file, VIDIOC_G_STD, &sid);
-       if (err < 0)
-               dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %ld\n", err);
-       if (err == 0) {
+       /* Note: G_STD might not be present for radio receivers,
+        * so we should ignore any errors. */
+       if (drv(file, VIDIOC_G_STD, &sid) == 0) {
                if (sid & V4L2_STD_PAL)
                        tun->mode = VIDEO_MODE_PAL;
                if (sid & V4L2_STD_NTSC)