On 07/31/2015 04:10 AM, Antti Palosaari wrote:
> Add type field to that struct like it counterpart v4l2_tuner
> already has. We need type field to distinguish different tuner
> types from each others for transmitter too.
>
> Cc: Hans Verkuil <hverk...@xs4all.nl>
> Signed-off-by: Antti Palosaari <cr...@iki.fi>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
> drivers/media/v4l2-core/v4l2-ioctl.c | 18 +++++++++++++++++-
> include/uapi/linux/videodev2.h | 3 ++-
> 2 files changed, 19 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
> b/drivers/media/v4l2-core/v4l2-ioctl.c
> index 21e9598..85f80cb 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1646,15 +1646,31 @@ static int v4l_s_tuner(const struct v4l2_ioctl_ops
> *ops,
> static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops,
> struct file *file, void *fh, void *arg)
> {
> + struct video_device *vfd = video_devdata(file);
> struct v4l2_modulator *p = arg;
> int err;
>
> + if (vfd->vfl_type == VFL_TYPE_RADIO)
> + p->type = V4L2_TUNER_RADIO;
> +
> err = ops->vidioc_g_modulator(file, fh, p);
> if (!err)
> p->capability |= V4L2_TUNER_CAP_FREQ_BANDS;
> return err;
> }
>
> +static int v4l_s_modulator(const struct v4l2_ioctl_ops *ops,
> + struct file *file, void *fh, void *arg)
> +{
> + struct video_device *vfd = video_devdata(file);
> + struct v4l2_modulator *p = arg;
> +
> + if (vfd->vfl_type == VFL_TYPE_RADIO)
> + p->type = V4L2_TUNER_RADIO;
> +
> + return ops->vidioc_s_modulator(file, fh, p);
> +}
> +
> static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops,
> struct file *file, void *fh, void *arg)
> {
> @@ -2441,7 +2457,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
> IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0),
> IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout,
> INFO_FL_PRIO),
> IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator,
> v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)),
> - IOCTL_INFO_STD(VIDIOC_S_MODULATOR, vidioc_s_modulator,
> v4l_print_modulator, INFO_FL_PRIO),
> + IOCTL_INFO_FNC(VIDIOC_S_MODULATOR, v4l_s_modulator,
> v4l_print_modulator, INFO_FL_PRIO),
> IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency,
> v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)),
> IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency,
> v4l_print_frequency, INFO_FL_PRIO),
> IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap,
> INFO_FL_CLEAR(v4l2_cropcap, type)),
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 70f06c9..3a8eb8e 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -1584,7 +1584,8 @@ struct v4l2_modulator {
> __u32 rangelow;
> __u32 rangehigh;
> __u32 txsubchans;
> - __u32 reserved[4];
> + __u32 type; /* enum v4l2_tuner_type */
> + __u32 reserved[3];
> };
>
> /* Flags for the 'capability' field */
>
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