diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-g-frequency.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-g-frequency.rst | 74 |
1 files changed, 27 insertions, 47 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-g-frequency.rst b/Documentation/media/uapi/v4l/vidioc-g-frequency.rst index 37ac69acf113..46ab276f412b 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-frequency.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-frequency.rst @@ -60,53 +60,33 @@ write-only ioctl, it does not return the actual new frequency. :stub-columns: 0 :widths: 1 1 2 - - - .. row 1 - - - __u32 - - - ``tuner`` - - - The tuner or modulator index number. This is the same value as in - the struct :c:type:`v4l2_input` ``tuner`` field and - the struct :c:type:`v4l2_tuner` ``index`` field, or - the struct :c:type:`v4l2_output` ``modulator`` field - and the struct :c:type:`v4l2_modulator` ``index`` - field. - - - .. row 2 - - - __u32 - - - ``type`` - - - The tuner type. This is the same value as in the struct - :c:type:`v4l2_tuner` ``type`` field. The type must be - set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and - to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to - ``V4L2_TUNER_RADIO`` for modulators (currently only radio - modulators are supported). See :c:type:`v4l2_tuner_type` - - - .. row 3 - - - __u32 - - - ``frequency`` - - - Tuning frequency in units of 62.5 kHz, or if the struct - :c:type:`v4l2_tuner` or struct - :c:type:`v4l2_modulator` ``capability`` flag - ``V4L2_TUNER_CAP_LOW`` is set, in units of 62.5 Hz. A 1 Hz unit is - used when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set. - - - .. row 4 - - - __u32 - - - ``reserved``\ [8] - - - Reserved for future extensions. Drivers and applications must set - the array to zero. + * - __u32 + - ``tuner`` + - The tuner or modulator index number. This is the same value as in + the struct :c:type:`v4l2_input` ``tuner`` field and + the struct :c:type:`v4l2_tuner` ``index`` field, or + the struct :c:type:`v4l2_output` ``modulator`` field + and the struct :c:type:`v4l2_modulator` ``index`` + field. + * - __u32 + - ``type`` + - The tuner type. This is the same value as in the struct + :c:type:`v4l2_tuner` ``type`` field. The type must be + set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and + to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to + ``V4L2_TUNER_RADIO`` for modulators (currently only radio + modulators are supported). See :c:type:`v4l2_tuner_type` + * - __u32 + - ``frequency`` + - Tuning frequency in units of 62.5 kHz, or if the struct + :c:type:`v4l2_tuner` or struct + :c:type:`v4l2_modulator` ``capability`` flag + ``V4L2_TUNER_CAP_LOW`` is set, in units of 62.5 Hz. A 1 Hz unit is + used when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set. + * - __u32 + - ``reserved``\ [8] + - Reserved for future extensions. Drivers and applications must set + the array to zero. Return Value |