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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>
This commit is contained in:
Mauro Carvalho Chehab 2017-10-06 09:50:28 -04:00
parent 3fb558f6c3
commit 07bf9355ca
1 changed files with 20 additions and 1 deletions
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21
include/media/v4l2-subdev.h
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@ -215,7 +215,10 @@ struct v4l2_subdev_core_ops {
* struct v4l2_subdev_tuner_ops - Callbacks used when v4l device was opened
* in radio mode.
*
* @s_radio: callback for VIDIOC_S_RADIO() ioctl handler code.
* @s_radio: callback that switches the tuner to radio mode.
* drivers should explicitly call it when a tuner ops should
* operate on radio mode, before being able to handle it.
* Used on devices that have both AM/FM radio receiver and TV.
*
* @s_frequency: callback for VIDIOC_S_FREQUENCY() ioctl handler code.
*
@ -238,6 +241,22 @@ struct v4l2_subdev_core_ops {
* @s_type_addr: sets tuner type and its I2C addr.
*
* @s_config: sets tda9887 specific stuff, like port1, port2 and qss
*
* .. note::
*
* On devices that have both AM/FM and TV, it is up to the driver
* to explicitly call s_radio when the tuner should be switched to
* radio mode, before handling other &struct v4l2_subdev_tuner_ops
* that would require it. An example of such usage is::
*
* static void s_frequency(void *priv, const struct v4l2_frequency *f)
* {
* ...
* if (f.type == V4L2_TUNER_RADIO)
* v4l2_device_call_all(v4l2_dev, 0, tuner, s_radio);
* ...
* v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency);
* }
*/
struct v4l2_subdev_tuner_ops {
int (*s_radio)(struct v4l2_subdev *sd);