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media: v4l2: Remove vidioc_g_ctrl callback

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All the drivers either use the control framework or provide a
vidioc_g_ext_ctrls callback. We can remove this callback.

Thanks for your service!

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Ricardo Ribalda 2025-02-23 18:58:11 +00:00 committed by Mauro Carvalho Chehab
parent 0f6b05e069
commit 70307f28ee
3 changed files with 1 additions and 7 deletions
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2
drivers/media/v4l2-core/v4l2-dev.c
View File

@ -576,7 +576,7 @@ static void determine_valid_ioctls(struct video_device *vdev)
__set_bit(_IOC_NR(VIDIOC_QUERYCTRL), valid_ioctls);
if (vdev->ctrl_handler || ops->vidioc_query_ext_ctrl)
__set_bit(_IOC_NR(VIDIOC_QUERY_EXT_CTRL), valid_ioctls);
if (vdev->ctrl_handler || ops->vidioc_g_ctrl || ops->vidioc_g_ext_ctrls)
if (vdev->ctrl_handler || ops->vidioc_g_ext_ctrls)
__set_bit(_IOC_NR(VIDIOC_G_CTRL), valid_ioctls);
if (vdev->ctrl_handler || ops->vidioc_s_ctrl || ops->vidioc_s_ext_ctrls)
__set_bit(_IOC_NR(VIDIOC_S_CTRL), valid_ioctls);

2
drivers/media/v4l2-core/v4l2-ioctl.c
View File

@ -2380,8 +2380,6 @@ static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops,
return v4l2_g_ctrl(vfh->ctrl_handler, p);
if (vfd->ctrl_handler)
return v4l2_g_ctrl(vfd->ctrl_handler, p);
if (ops->vidioc_g_ctrl)
return ops->vidioc_g_ctrl(file, fh, p);
if (ops->vidioc_g_ext_ctrls == NULL)
return -ENOTTY;

4
include/media/v4l2-ioctl.h
View File

@ -195,8 +195,6 @@ struct v4l2_fh;
* :ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl
* @vidioc_query_ext_ctrl: pointer to the function that implements
* :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl
* @vidioc_g_ctrl: pointer to the function that implements
* :ref:`VIDIOC_G_CTRL <vidioc_g_ctrl>` ioctl
* @vidioc_s_ctrl: pointer to the function that implements
* :ref:`VIDIOC_S_CTRL <vidioc_g_ctrl>` ioctl
* @vidioc_g_ext_ctrls: pointer to the function that implements
@ -461,8 +459,6 @@ struct v4l2_ioctl_ops {
/* Control handling */
int (*vidioc_query_ext_ctrl)(struct file *file, void *fh,
struct v4l2_query_ext_ctrl *a);
int (*vidioc_g_ctrl)(struct file *file, void *fh,
struct v4l2_control *a);
int (*vidioc_s_ctrl)(struct file *file, void *fh,
struct v4l2_control *a);
int (*vidioc_g_ext_ctrls)(struct file *file, void *fh,