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path: root/drivers/media/usb/gspca/gspca.c
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Diffstat (limited to 'drivers/media/usb/gspca/gspca.c')
-rw-r--r--drivers/media/usb/gspca/gspca.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
index 3564bdbb2ea3..5784ff4e1b2f 100644
--- a/drivers/media/usb/gspca/gspca.c
+++ b/drivers/media/usb/gspca/gspca.c
@@ -984,7 +984,6 @@ out:
static void gspca_set_default_mode(struct gspca_dev *gspca_dev)
{
- struct gspca_ctrl *ctrl;
int i;
i = gspca_dev->cam.nmodes - 1; /* take the highest mode */
@@ -993,17 +992,8 @@ static void gspca_set_default_mode(struct gspca_dev *gspca_dev)
gspca_dev->height = gspca_dev->cam.cam_mode[i].height;
gspca_dev->pixfmt = gspca_dev->cam.cam_mode[i].pixelformat;
- /* set the current control values to their default values
- * which may have changed in sd_init() */
/* does nothing if ctrl_handler == NULL */
v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler);
- ctrl = gspca_dev->cam.ctrls;
- if (ctrl != NULL) {
- for (i = 0;
- i < gspca_dev->sd_desc->nctrls;
- i++, ctrl++)
- ctrl->val = ctrl->def;
- }
}
static int wxh_to_mode(struct gspca_dev *gspca_dev,
@@ -1357,134 +1347,6 @@ static int vidioc_querycap(struct file *file, void *priv,
return 0;
}
-static int get_ctrl(struct gspca_dev *gspca_dev,
- int id)
-{
- const struct ctrl *ctrls;
- int i;
-
- for (i = 0, ctrls = gspca_dev->sd_desc->ctrls;
- i < gspca_dev->sd_desc->nctrls;
- i++, ctrls++) {
- if (gspca_dev->ctrl_dis & (1 << i))
- continue;
- if (id == ctrls->qctrl.id)
- return i;
- }
- return -1;
-}
-
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *q_ctrl)
-{
- struct gspca_dev *gspca_dev = video_drvdata(file);
- const struct ctrl *ctrls;
- struct gspca_ctrl *gspca_ctrl;
- int i, idx;
- u32 id;
-
- id = q_ctrl->id;
- if (id & V4L2_CTRL_FLAG_NEXT_CTRL) {
- id &= V4L2_CTRL_ID_MASK;
- id++;
- idx = -1;
- for (i = 0; i < gspca_dev->sd_desc->nctrls; i++) {
- if (gspca_dev->ctrl_dis & (1 << i))
- continue;
- if (gspca_dev->sd_desc->ctrls[i].qctrl.id < id)
- continue;
- if (idx >= 0
- && gspca_dev->sd_desc->ctrls[i].qctrl.id
- > gspca_dev->sd_desc->ctrls[idx].qctrl.id)
- continue;
- idx = i;
- }
- } else {
- idx = get_ctrl(gspca_dev, id);
- }
- if (idx < 0)
- return -EINVAL;
- ctrls = &gspca_dev->sd_desc->ctrls[idx];
- memcpy(q_ctrl, &ctrls->qctrl, sizeof *q_ctrl);
- if (gspca_dev->cam.ctrls != NULL) {
- gspca_ctrl = &gspca_dev->cam.ctrls[idx];
- q_ctrl->default_value = gspca_ctrl->def;
- q_ctrl->minimum = gspca_ctrl->min;
- q_ctrl->maximum = gspca_ctrl->max;
- }
- if (gspca_dev->ctrl_inac & (1 << idx))
- q_ctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
- return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct gspca_dev *gspca_dev = video_drvdata(file);
- const struct ctrl *ctrls;
- struct gspca_ctrl *gspca_ctrl;
- int idx;
-
- idx = get_ctrl(gspca_dev, ctrl->id);
- if (idx < 0)
- return -EINVAL;
- if (gspca_dev->ctrl_inac & (1 << idx))
- return -EINVAL;
- ctrls = &gspca_dev->sd_desc->ctrls[idx];
- if (gspca_dev->cam.ctrls != NULL) {
- gspca_ctrl = &gspca_dev->cam.ctrls[idx];
- if (ctrl->value < gspca_ctrl->min
- || ctrl->value > gspca_ctrl->max)
- return -ERANGE;
- } else {
- gspca_ctrl = NULL;
- if (ctrl->value < ctrls->qctrl.minimum
- || ctrl->value > ctrls->qctrl.maximum)
- return -ERANGE;
- }
- PDEBUG(D_CONF, "set ctrl [%08x] = %d", ctrl->id, ctrl->value);
- gspca_dev->usb_err = 0;
- if (ctrls->set != NULL)
- return ctrls->set(gspca_dev, ctrl->value);
- if (gspca_ctrl != NULL) {
- gspca_ctrl->val = ctrl->value;
- if (ctrls->set_control != NULL
- && gspca_dev->streaming)
- ctrls->set_control(gspca_dev);
- }
- return gspca_dev->usb_err;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct gspca_dev *gspca_dev = video_drvdata(file);
- const struct ctrl *ctrls;
- int idx;
-
- idx = get_ctrl(gspca_dev, ctrl->id);
- if (idx < 0)
- return -EINVAL;
- ctrls = &gspca_dev->sd_desc->ctrls[idx];
-
- gspca_dev->usb_err = 0;
- if (ctrls->get != NULL)
- return ctrls->get(gspca_dev, &ctrl->value);
- if (gspca_dev->cam.ctrls != NULL)
- ctrl->value = gspca_dev->cam.ctrls[idx].val;
- return 0;
-}
-
-static int vidioc_querymenu(struct file *file, void *priv,
- struct v4l2_querymenu *qmenu)
-{
- struct gspca_dev *gspca_dev = video_drvdata(file);
-
- if (!gspca_dev->sd_desc->querymenu)
- return -ENOTTY;
- return gspca_dev->sd_desc->querymenu(gspca_dev, qmenu);
-}
-
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *input)
{
@@ -2125,10 +1987,6 @@ static const struct v4l2_ioctl_ops dev_ioctl_ops = {
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_streamon = vidioc_streamon,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_querymenu = vidioc_querymenu,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
@@ -2157,22 +2015,6 @@ static const struct video_device gspca_template = {
.release = video_device_release_empty, /* We use v4l2_dev.release */
};
-/* initialize the controls */
-static void ctrls_init(struct gspca_dev *gspca_dev)
-{
- struct gspca_ctrl *ctrl;
- int i;
-
- for (i = 0, ctrl = gspca_dev->cam.ctrls;
- i < gspca_dev->sd_desc->nctrls;
- i++, ctrl++) {
- ctrl->def = gspca_dev->sd_desc->ctrls[i].qctrl.default_value;
- ctrl->val = ctrl->def;
- ctrl->min = gspca_dev->sd_desc->ctrls[i].qctrl.minimum;
- ctrl->max = gspca_dev->sd_desc->ctrls[i].qctrl.maximum;
- }
-}
-
/*
* probe and create a new gspca device
*
@@ -2249,8 +2091,6 @@ int gspca_dev_probe2(struct usb_interface *intf,
ret = sd_desc->config(gspca_dev, id);
if (ret < 0)
goto out;
- if (gspca_dev->cam.ctrls != NULL)
- ctrls_init(gspca_dev);
ret = sd_desc->init(gspca_dev);
if (ret < 0)
goto out;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 17:13:05 +0300