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;
}
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)
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)