Lines Matching +full:lens +full:- +full:focus
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2015--2017 Intel Corporation.
10 #include <media/v4l2-ctrls.h>
11 #include <media/v4l2-device.h>
12 #include <media/v4l2-event.h>
17 * This sets the minimum granularity for the focus positions.
18 * A value of 1 gives maximum accuracy for a desired focus position
22 * This acts as the minimum granularity of lens movement.
24 * uniformly adjusted for gradual lens movement, with desired
47 return container_of(ctrl->handler, struct dw9714_device, ctrls_vcm);
62 dev_err(&client->dev, "I2C write fail\n");
63 return -EIO;
70 struct i2c_client *client = v4l2_get_subdevdata(&dw9714_dev->sd);
72 dw9714_dev->current_val = val;
81 if (ctrl->id == V4L2_CID_FOCUS_ABSOLUTE)
82 return dw9714_t_focus_vcm(dev_vcm, ctrl->val);
84 return -EINVAL;
93 return pm_runtime_resume_and_get(sd->dev);
98 pm_runtime_put(sd->dev);
120 v4l2_async_unregister_subdev(&dw9714_dev->sd);
121 v4l2_ctrl_handler_free(&dw9714_dev->ctrls_vcm);
122 media_entity_cleanup(&dw9714_dev->sd.entity);
127 struct v4l2_ctrl_handler *hdl = &dev_vcm->ctrls_vcm;
135 if (hdl->error)
136 dev_err(dev_vcm->sd.dev, "%s fail error: 0x%x\n",
137 __func__, hdl->error);
138 dev_vcm->sd.ctrl_handler = hdl;
139 return hdl->error;
146 ret = regulator_enable(dw9714_dev->vcc);
150 gpiod_set_value_cansleep(dw9714_dev->powerdown_gpio, 0);
159 gpiod_set_value_cansleep(dw9714_dev->powerdown_gpio, 1);
161 return regulator_disable(dw9714_dev->vcc);
169 dw9714_dev = devm_kzalloc(&client->dev, sizeof(*dw9714_dev),
172 return -ENOMEM;
174 dw9714_dev->vcc = devm_regulator_get(&client->dev, "vcc");
175 if (IS_ERR(dw9714_dev->vcc))
176 return PTR_ERR(dw9714_dev->vcc);
178 dw9714_dev->powerdown_gpio = devm_gpiod_get_optional(&client->dev,
181 if (IS_ERR(dw9714_dev->powerdown_gpio))
182 return dev_err_probe(&client->dev,
183 PTR_ERR(dw9714_dev->powerdown_gpio),
188 return dev_err_probe(&client->dev, rval,
191 v4l2_i2c_subdev_init(&dw9714_dev->sd, client, &dw9714_ops);
192 dw9714_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
194 dw9714_dev->sd.internal_ops = &dw9714_int_ops;
200 rval = media_entity_pads_init(&dw9714_dev->sd.entity, 0, NULL);
204 dw9714_dev->sd.entity.function = MEDIA_ENT_F_LENS;
206 rval = v4l2_async_register_subdev(&dw9714_dev->sd);
210 pm_runtime_set_active(&client->dev);
211 pm_runtime_enable(&client->dev);
212 pm_runtime_idle(&client->dev);
218 v4l2_ctrl_handler_free(&dw9714_dev->ctrls_vcm);
219 media_entity_cleanup(&dw9714_dev->sd.entity);
230 pm_runtime_disable(&client->dev);
231 if (!pm_runtime_status_suspended(&client->dev)) {
234 dev_err(&client->dev,
238 pm_runtime_set_suspended(&client->dev);
244 * The lens position is gradually moved in units of DW9714_CTRL_STEPS,
254 if (pm_runtime_suspended(&client->dev))
257 for (val = dw9714_dev->current_val & ~(DW9714_CTRL_STEPS - 1);
258 val >= 0; val -= DW9714_CTRL_STEPS) {
276 * The lens position is gradually moved in units of DW9714_CTRL_STEPS,
286 if (pm_runtime_suspended(&client->dev))
295 for (val = dw9714_dev->current_val % DW9714_CTRL_STEPS;
296 val < dw9714_dev->current_val + DW9714_CTRL_STEPS - 1;