Note that you use the 'new value' union as well in g_volatile_ctrl. In general
controls that need to implement g_volatile_ctrl are read-only controls.
-To mark a control as volatile you have to set the is_volatile flag:
+To mark a control as volatile you have to set V4L2_CTRL_FLAG_VOLATILE:
ctrl = v4l2_ctrl_new_std(&sd->ctrl_handler, ...);
if (ctrl)
- ctrl->is_volatile = 1;
+ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
For try/s_ctrl the new values (i.e. as passed by the user) are filled in and
you can modify them in try_ctrl or set them in s_ctrl. The 'cur' union
The last argument is the priv pointer which can be set to driver-specific
private data.
-The v4l2_ctrl_config struct also has fields to set the is_private and is_volatile
-flags.
+The v4l2_ctrl_config struct also has a field to set the is_private flag.
If the name field is not set, then the framework will assume this is a standard
control and will fill in the name, type and flags fields accordingly.
automatically.
If the cluster is put in manual mode, then the manual controls should become
-active again and the is_volatile flag should be ignored (so g_volatile_ctrl is
-no longer called while in manual mode).
+active again and V4L2_CTRL_FLAG_VOLATILE should be ignored (so g_volatile_ctrl
+is no longer called while in manual mode).
Finally the V4L2_CTRL_FLAG_UPDATE should be set for the auto control since
changing that control affects the control flags of the manual controls.
The first two arguments are identical to v4l2_ctrl_cluster. The third argument
tells the framework which value switches the cluster into manual mode. The
-last argument will optionally set the is_volatile flag for the non-auto controls.
+last argument will optionally set V4L2_CTRL_FLAG_VOLATILE for the non-auto controls.
The first control of the cluster is assumed to be the 'auto' control.
V4L2_CID_TUNE_ANTENNA_CAPACITOR,
0, 255, 1, 255);
if (ctrl)
- ctrl->is_volatile = 1;
+ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
if (radio->ctrl_handler.error) {
r = radio->ctrl_handler.error;
255, 1, 255);
if (ctrl)
- ctrl->is_volatile = 1;
+ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
return 0;
}
if (flash->ctrls.error)
return flash->ctrls.error;
- fault->is_volatile = 1;
+ fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
flash->subdev.ctrl_handler = &flash->ctrls;
return 0;
return ret;
/* Update val when coming from auto or going to a preset */
- if (pdev->red_balance->is_volatile ||
+ if ((pdev->red_balance->flags & V4L2_CTRL_FLAG_VOLATILE) ||
pdev->auto_white_balance->val == awb_indoor ||
pdev->auto_white_balance->val == awb_outdoor ||
pdev->auto_white_balance->val == awb_fl) {
&pdev->blue_balance->val);
}
if (pdev->auto_white_balance->val == awb_auto) {
- pdev->red_balance->is_volatile = true;
- pdev->blue_balance->is_volatile = true;
+ pdev->red_balance->flags |= V4L2_CTRL_FLAG_VOLATILE;
+ pdev->blue_balance->flags |= V4L2_CTRL_FLAG_VOLATILE;
pdev->color_bal_valid = false; /* Force cache update */
} else {
- pdev->red_balance->is_volatile = false;
- pdev->blue_balance->is_volatile = false;
+ pdev->red_balance->flags &= ~V4L2_CTRL_FLAG_VOLATILE;
+ pdev->blue_balance->flags &= ~V4L2_CTRL_FLAG_VOLATILE;
}
}
.maximum = 32,
.step = 1,
.default_value = 1,
- .is_volatile = 1,
+ .flags = V4L2_CTRL_FLAG_VOLATILE,
},
};
return ctx->ctrl_handler.error;
}
if (controls[i].is_volatile && ctx->ctrls[i])
- ctx->ctrls[i]->is_volatile = 1;
+ ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
}
return 0;
}
return ctx->ctrl_handler.error;
}
if (controls[i].is_volatile && ctx->ctrls[i])
- ctx->ctrls[i]->is_volatile = 1;
+ ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
}
return 0;
}
V4L2_CID_CHROMA_AGC, 0, 1, 1, 1);
state->gain = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
V4L2_CID_CHROMA_GAIN, 0, 127, 1, 40);
- state->gain->is_volatile = 1;
+ state->gain->flags |= V4L2_CTRL_FLAG_VOLATILE;
sd->ctrl_handler = hdl;
if (hdl->error) {
int err = hdl->error;
};
/* Small helper function to determine if the autocluster is set to manual
- mode. In that case the is_volatile flag should be ignored. */
+ mode. */
static bool is_cur_manual(const struct v4l2_ctrl *master)
{
return master->is_auto && master->cur.val == master->manual_mode_value;
type, min, max,
is_menu ? cfg->menu_skip_mask : step,
def, flags, qmenu, priv);
- if (ctrl) {
+ if (ctrl)
ctrl->is_private = cfg->is_private;
- ctrl->is_volatile = cfg->is_volatile;
- }
return ctrl;
}
EXPORT_SYMBOL(v4l2_ctrl_new_custom);
master->manual_mode_value = manual_val;
master->flags |= V4L2_CTRL_FLAG_UPDATE;
flag = is_cur_manual(master) ? 0 : V4L2_CTRL_FLAG_INACTIVE;
+ if (set_volatile)
+ flag |= V4L2_CTRL_FLAG_VOLATILE;
for (i = 1; i < ncontrols; i++)
- if (controls[i]) {
- controls[i]->is_volatile = set_volatile;
+ if (controls[i])
controls[i]->flags |= flag;
- }
}
EXPORT_SYMBOL(v4l2_ctrl_auto_cluster);
static void log_ctrl(const struct v4l2_ctrl *ctrl,
const char *prefix, const char *colon)
{
- int fl_inact = ctrl->flags & V4L2_CTRL_FLAG_INACTIVE;
- int fl_grabbed = ctrl->flags & V4L2_CTRL_FLAG_GRABBED;
-
if (ctrl->flags & (V4L2_CTRL_FLAG_DISABLED | V4L2_CTRL_FLAG_WRITE_ONLY))
return;
if (ctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
printk(KERN_CONT "unknown type %d", ctrl->type);
break;
}
- if (fl_inact && fl_grabbed)
- printk(KERN_CONT " (inactive, grabbed)\n");
- else if (fl_inact)
- printk(KERN_CONT " (inactive)\n");
- else if (fl_grabbed)
- printk(KERN_CONT " (grabbed)\n");
- else
- printk(KERN_CONT "\n");
+ if (ctrl->flags & (V4L2_CTRL_FLAG_INACTIVE |
+ V4L2_CTRL_FLAG_GRABBED |
+ V4L2_CTRL_FLAG_VOLATILE)) {
+ if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
+ printk(KERN_CONT " inactive");
+ if (ctrl->flags & V4L2_CTRL_FLAG_GRABBED)
+ printk(KERN_CONT " grabbed");
+ if (ctrl->flags & V4L2_CTRL_FLAG_VOLATILE)
+ printk(KERN_CONT " volatile");
+ }
+ printk(KERN_CONT "\n");
}
/* Log all controls owned by the handler */
v4l2_ctrl_lock(master);
/* g_volatile_ctrl will update the current control values */
- if (ctrl->is_volatile && !is_cur_manual(master)) {
+ if ((ctrl->flags & V4L2_CTRL_FLAG_VOLATILE) && !is_cur_manual(master)) {
for (i = 0; i < master->ncontrols; i++)
cur_to_new(master->cluster[i]);
ret = call_op(master, g_volatile_ctrl);
* @is_private: If set, then this control is private to its handler and it
* will not be added to any other handlers. Drivers can set
* this flag.
- * @is_volatile: If set, then this control is volatile. This means that the
- * control's current value cannot be cached and needs to be
- * retrieved through the g_volatile_ctrl op. Drivers can set
- * this flag.
* @is_auto: If set, then this control selects whether the other cluster
* members are in 'automatic' mode or 'manual' mode. This is
* used for autogain/gain type clusters. Drivers should never
unsigned int is_new:1;
unsigned int is_private:1;
- unsigned int is_volatile:1;
unsigned int is_auto:1;
unsigned int manual_mode_value:8;
* must be NULL.
* @is_private: If set, then this control is private to its handler and it
* will not be added to any other handlers.
- * @is_volatile: If set, then this control is volatile. This means that the
- * control's current value cannot be cached and needs to be
- * retrieved through the g_volatile_ctrl op.
*/
struct v4l2_ctrl_config {
const struct v4l2_ctrl_ops *ops;
u32 menu_skip_mask;
const char * const *qmenu;
unsigned int is_private:1;
- unsigned int is_volatile:1;
};
/** v4l2_ctrl_fill() - Fill in the control fields based on the control ID.
* @manual_val: The value for the first control in the cluster that equals the
* manual setting.
* @set_volatile: If true, then all controls except the first auto control will
- * have is_volatile set to true. If false, then is_volatile will not
- * be touched.
+ * be volatile.
*
* Use for control groups where one control selects some automatic feature and
* the other controls are only active whenever the automatic feature is turned
git.openpandora.org / pandora-kernel.git / commitdiff