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[v2,07/11] media: v4l2: Remove vidioc_queryctrl callback

Message ID 20241210-queryctrl-v2-7-c0a33d69f416@chromium.org (mailing list archive)
State New
Headers show
Series media: Remove vidioc_g/s_ctrl and vidioc_queryctrl callbacks | expand

Commit Message

Ricardo Ribalda Dec. 10, 2024, 9:28 a.m. UTC 
All the drivers either use the control framework or provide a
vidioc_query_ext_ctrl. We can remove this callback to reduce the
temptation of new drivers to implement it.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/v4l2-core/v4l2-dev.c   | 3 +--
 drivers/media/v4l2-core/v4l2-ioctl.c | 2 --
 include/media/v4l2-ioctl.h           | 4 ----
 3 files changed, 1 insertion(+), 8 deletions(-)
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Patch

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 252308a67fa8..5267a0686400 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -572,8 +572,7 @@  static void determine_valid_ioctls(struct video_device *vdev)
 	   and that can't be tested here. If the bit for these control ioctls
 	   is set, then the ioctl is valid. But if it is 0, then it can still
 	   be valid if the filehandle passed the control handler. */
-	if (vdev->ctrl_handler || ops->vidioc_queryctrl ||
-	    ops->vidioc_query_ext_ctrl)
+	if (vdev->ctrl_handler || ops->vidioc_query_ext_ctrl)
 		__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);
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 7d615ebc511e..f512d62ab0c6 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -2294,8 +2294,6 @@  static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops,
 		return v4l2_queryctrl(vfh->ctrl_handler, p);
 	if (vfd->ctrl_handler)
 		return v4l2_queryctrl(vfd->ctrl_handler, p);
-	if (ops->vidioc_queryctrl)
-		return ops->vidioc_queryctrl(file, fh, p);
 	if (!ops->vidioc_query_ext_ctrl)
 		return -ENOTTY;
 
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index bdbb7e542321..013996c33a9e 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -193,8 +193,6 @@  struct v4l2_fh;
  *	:ref:`VIDIOC_G_OUTPUT <vidioc_g_output>` ioctl
  * @vidioc_s_output: pointer to the function that implements
  *	:ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl
- * @vidioc_queryctrl: pointer to the function that implements
- *	:ref:`VIDIOC_QUERYCTRL <vidioc_queryctrl>` 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
@@ -461,8 +459,6 @@  struct v4l2_ioctl_ops {
 	int (*vidioc_s_output)(struct file *file, void *fh, unsigned int i);
 
 		/* Control handling */
-	int (*vidioc_queryctrl)(struct file *file, void *fh,
-				struct v4l2_queryctrl *a);
 	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,