Hi Hans, Thank you for the patch. On Mon, Oct 14, 2019 at 02:01:05PM +0200, Hans Verkuil wrote: > Touch devices have obviously no tuner, so don't attempt to enable those ioctls > for such devices. Shouldn't this be disabled for pure metadata devices (is_meta && !is_vid) too ? > Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> > --- > diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c > index cec588b04711..da42d172714a 100644 > --- a/drivers/media/v4l2-core/v4l2-dev.c > +++ b/drivers/media/v4l2-core/v4l2-dev.c > @@ -581,8 +581,10 @@ static void determine_valid_ioctls(struct video_device *vdev) > set_bit(_IOC_NR(VIDIOC_TRY_EXT_CTRLS), valid_ioctls); > if (vdev->ctrl_handler || ops->vidioc_querymenu) > set_bit(_IOC_NR(VIDIOC_QUERYMENU), valid_ioctls); > - SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency); > - SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency); > + if (!is_tch) { > + SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency); > + SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency); > + } > SET_VALID_IOCTL(ops, VIDIOC_LOG_STATUS, vidioc_log_status); > #ifdef CONFIG_VIDEO_ADV_DEBUG > set_bit(_IOC_NR(VIDIOC_DBG_G_CHIP_INFO), valid_ioctls); > @@ -754,7 +756,7 @@ static void determine_valid_ioctls(struct video_device *vdev) > SET_VALID_IOCTL(ops, VIDIOC_G_MODULATOR, vidioc_g_modulator); > SET_VALID_IOCTL(ops, VIDIOC_S_MODULATOR, vidioc_s_modulator); > } > - if (is_rx) { > + if (is_rx && !is_tch) { > /* receiver only ioctls */ > SET_VALID_IOCTL(ops, VIDIOC_G_TUNER, vidioc_g_tuner); > SET_VALID_IOCTL(ops, VIDIOC_S_TUNER, vidioc_s_tuner); > -- Regards, Laurent Pinchart