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media: v4l2-subdev: fix description of tuner.s_radio ops
The description there is completely broken and it mentions an ioctl that doesn't exist. Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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1 changed files with 20 additions and 1 deletions
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@ -215,7 +215,10 @@ struct v4l2_subdev_core_ops {
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* struct v4l2_subdev_tuner_ops - Callbacks used when v4l device was opened
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* in radio mode.
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*
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* @s_radio: callback for VIDIOC_S_RADIO() ioctl handler code.
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* @s_radio: callback that switches the tuner to radio mode.
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* drivers should explicitly call it when a tuner ops should
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* operate on radio mode, before being able to handle it.
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* Used on devices that have both AM/FM radio receiver and TV.
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*
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* @s_frequency: callback for VIDIOC_S_FREQUENCY() ioctl handler code.
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*
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@ -238,6 +241,22 @@ struct v4l2_subdev_core_ops {
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* @s_type_addr: sets tuner type and its I2C addr.
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*
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* @s_config: sets tda9887 specific stuff, like port1, port2 and qss
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*
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* .. note::
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*
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* On devices that have both AM/FM and TV, it is up to the driver
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* to explicitly call s_radio when the tuner should be switched to
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* radio mode, before handling other &struct v4l2_subdev_tuner_ops
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* that would require it. An example of such usage is::
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*
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* static void s_frequency(void *priv, const struct v4l2_frequency *f)
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* {
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* ...
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* if (f.type == V4L2_TUNER_RADIO)
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* v4l2_device_call_all(v4l2_dev, 0, tuner, s_radio);
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* ...
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* v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency);
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* }
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*/
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struct v4l2_subdev_tuner_ops {
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int (*s_radio)(struct v4l2_subdev *sd);
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