1 files changed, 0 insertions, 487 deletions

diff --git a/drivers/media/video/adp1653.c b/drivers/media/video/adp1653.c
deleted file mode 100644
index 57e8709..0000000
--- a/drivers/media/video/adp1653.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * drivers/media/video/adp1653.c
- *
- * Copyright (C) 2008--2011 Nokia Corporation
- *
- * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
- *
- * Contributors:
- *	Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
- *	Tuukka Toivonen <tuukkat76@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- * TODO:
- * - fault interrupt handling
- * - hardware strobe
- * - power doesn't need to be ON if all lights are off
- *
- */
-
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <media/adp1653.h>
-#include <media/v4l2-device.h>
-
-#define TIMEOUT_MAX		820000
-#define TIMEOUT_STEP		54600
-#define TIMEOUT_MIN		(TIMEOUT_MAX - ADP1653_REG_CONFIG_TMR_SET_MAX \
-				 * TIMEOUT_STEP)
-#define TIMEOUT_US_TO_CODE(t)	((TIMEOUT_MAX + (TIMEOUT_STEP / 2) - (t)) \
-				 / TIMEOUT_STEP)
-#define TIMEOUT_CODE_TO_US(c)	(TIMEOUT_MAX - (c) * TIMEOUT_STEP)
-
-/* Write values into ADP1653 registers. */
-static int adp1653_update_hw(struct adp1653_flash *flash)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);
-	u8 out_sel;
-	u8 config = 0;
-	int rval;
-
-	out_sel = ADP1653_INDICATOR_INTENSITY_uA_TO_REG(
-		flash->indicator_intensity->val)
-		<< ADP1653_REG_OUT_SEL_ILED_SHIFT;
-
-	switch (flash->led_mode->val) {
-	case V4L2_FLASH_LED_MODE_NONE:
-		break;
-	case V4L2_FLASH_LED_MODE_FLASH:
-		/* Flash mode, light on with strobe, duration from timer */
-		config = ADP1653_REG_CONFIG_TMR_CFG;
-		config |= TIMEOUT_US_TO_CODE(flash->flash_timeout->val)
-			  << ADP1653_REG_CONFIG_TMR_SET_SHIFT;
-		break;
-	case V4L2_FLASH_LED_MODE_TORCH:
-		/* Torch mode, light immediately on, duration indefinite */
-		out_sel |= ADP1653_FLASH_INTENSITY_mA_TO_REG(
-			flash->torch_intensity->val)
-			<< ADP1653_REG_OUT_SEL_HPLED_SHIFT;
-		break;
-	}
-
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_OUT_SEL, out_sel);
-	if (rval < 0)
-		return rval;
-
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_CONFIG, config);
-	if (rval < 0)
-		return rval;
-
-	return 0;
-}
-
-static int adp1653_get_fault(struct adp1653_flash *flash)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);
-	int fault;
-	int rval;
-
-	fault = i2c_smbus_read_byte_data(client, ADP1653_REG_FAULT);
-	if (IS_ERR_VALUE(fault))
-		return fault;
-
-	flash->fault |= fault;
-
-	if (!flash->fault)
-		return 0;
-
-	/* Clear faults. */
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_OUT_SEL, 0);
-	if (IS_ERR_VALUE(rval))
-		return rval;
-
-	flash->led_mode->val = V4L2_FLASH_LED_MODE_NONE;
-
-	rval = adp1653_update_hw(flash);
-	if (IS_ERR_VALUE(rval))
-		return rval;
-
-	return flash->fault;
-}
-
-static int adp1653_strobe(struct adp1653_flash *flash, int enable)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);
-	u8 out_sel = ADP1653_INDICATOR_INTENSITY_uA_TO_REG(
-		flash->indicator_intensity->val)
-		<< ADP1653_REG_OUT_SEL_ILED_SHIFT;
-	int rval;
-
-	if (flash->led_mode->val != V4L2_FLASH_LED_MODE_FLASH)
-		return -EBUSY;
-
-	if (!enable)
-		return i2c_smbus_write_byte_data(client, ADP1653_REG_OUT_SEL,
-						 out_sel);
-
-	out_sel |= ADP1653_FLASH_INTENSITY_mA_TO_REG(
-		flash->flash_intensity->val)
-		<< ADP1653_REG_OUT_SEL_HPLED_SHIFT;
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_OUT_SEL, out_sel);
-	if (rval)
-		return rval;
-
-	/* Software strobe using i2c */
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_SW_STROBE,
-		ADP1653_REG_SW_STROBE_SW_STROBE);
-	if (rval)
-		return rval;
-	return i2c_smbus_write_byte_data(client, ADP1653_REG_SW_STROBE, 0);
-}
-
-/* --------------------------------------------------------------------------
- * V4L2 controls
- */
-
-static int adp1653_get_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct adp1653_flash *flash =
-		container_of(ctrl->handler, struct adp1653_flash, ctrls);
-	int rval;
-
-	rval = adp1653_get_fault(flash);
-	if (IS_ERR_VALUE(rval))
-		return rval;
-
-	ctrl->cur.val = 0;
-
-	if (flash->fault & ADP1653_REG_FAULT_FLT_SCP)
-		ctrl->cur.val |= V4L2_FLASH_FAULT_SHORT_CIRCUIT;
-	if (flash->fault & ADP1653_REG_FAULT_FLT_OT)
-		ctrl->cur.val |= V4L2_FLASH_FAULT_OVER_TEMPERATURE;
-	if (flash->fault & ADP1653_REG_FAULT_FLT_TMR)
-		ctrl->cur.val |= V4L2_FLASH_FAULT_TIMEOUT;
-	if (flash->fault & ADP1653_REG_FAULT_FLT_OV)
-		ctrl->cur.val |= V4L2_FLASH_FAULT_OVER_VOLTAGE;
-
-	flash->fault = 0;
-
-	return 0;
-}
-
-static int adp1653_set_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct adp1653_flash *flash =
-		container_of(ctrl->handler, struct adp1653_flash, ctrls);
-	int rval;
-
-	rval = adp1653_get_fault(flash);
-	if (IS_ERR_VALUE(rval))
-		return rval;
-	if ((rval & (ADP1653_REG_FAULT_FLT_SCP |
-		     ADP1653_REG_FAULT_FLT_OT |
-		     ADP1653_REG_FAULT_FLT_OV)) &&
-	    (ctrl->id == V4L2_CID_FLASH_STROBE ||
-	     ctrl->id == V4L2_CID_FLASH_TORCH_INTENSITY ||
-	     ctrl->id == V4L2_CID_FLASH_LED_MODE))
-		return -EBUSY;
-
-	switch (ctrl->id) {
-	case V4L2_CID_FLASH_STROBE:
-		return adp1653_strobe(flash, 1);
-	case V4L2_CID_FLASH_STROBE_STOP:
-		return adp1653_strobe(flash, 0);
-	}
-
-	return adp1653_update_hw(flash);
-}
-
-static const struct v4l2_ctrl_ops adp1653_ctrl_ops = {
-	.g_volatile_ctrl = adp1653_get_ctrl,
-	.s_ctrl = adp1653_set_ctrl,
-};
-
-static int adp1653_init_controls(struct adp1653_flash *flash)
-{
-	struct v4l2_ctrl *fault;
-
-	v4l2_ctrl_handler_init(&flash->ctrls, 9);
-
-	flash->led_mode =
-		v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,
-				       V4L2_CID_FLASH_LED_MODE,
-				       V4L2_FLASH_LED_MODE_TORCH, ~0x7, 0);
-	v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,
-			       V4L2_CID_FLASH_STROBE_SOURCE,
-			       V4L2_FLASH_STROBE_SOURCE_SOFTWARE, ~0x1, 0);
-	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-			  V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
-	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-			  V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
-	flash->flash_timeout =
-		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-				  V4L2_CID_FLASH_TIMEOUT, TIMEOUT_MIN,
-				  flash->platform_data->max_flash_timeout,
-				  TIMEOUT_STEP,
-				  flash->platform_data->max_flash_timeout);
-	flash->flash_intensity =
-		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-				  V4L2_CID_FLASH_INTENSITY,
-				  ADP1653_FLASH_INTENSITY_MIN,
-				  flash->platform_data->max_flash_intensity,
-				  1, flash->platform_data->max_flash_intensity);
-	flash->torch_intensity =
-		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-				  V4L2_CID_FLASH_TORCH_INTENSITY,
-				  ADP1653_TORCH_INTENSITY_MIN,
-				  flash->platform_data->max_torch_intensity,
-				  ADP1653_FLASH_INTENSITY_STEP,
-				  flash->platform_data->max_torch_intensity);
-	flash->indicator_intensity =
-		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-				  V4L2_CID_FLASH_INDICATOR_INTENSITY,
-				  ADP1653_INDICATOR_INTENSITY_MIN,
-				  flash->platform_data->max_indicator_intensity,
-				  ADP1653_INDICATOR_INTENSITY_STEP,
-				  ADP1653_INDICATOR_INTENSITY_MIN);
-	fault = v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
-				  V4L2_CID_FLASH_FAULT, 0,
-				  V4L2_FLASH_FAULT_OVER_VOLTAGE
-				  | V4L2_FLASH_FAULT_OVER_TEMPERATURE
-				  | V4L2_FLASH_FAULT_SHORT_CIRCUIT, 0, 0);
-
-	if (flash->ctrls.error)
-		return flash->ctrls.error;
-
-	fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
-
-	flash->subdev.ctrl_handler = &flash->ctrls;
-	return 0;
-}
-
-/* --------------------------------------------------------------------------
- * V4L2 subdev operations
- */
-
-static int
-adp1653_init_device(struct adp1653_flash *flash)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);
-	int rval;
-
-	/* Clear FAULT register by writing zero to OUT_SEL */
-	rval = i2c_smbus_write_byte_data(client, ADP1653_REG_OUT_SEL, 0);
-	if (rval < 0) {
-		dev_err(&client->dev, "failed writing fault register\n");
-		return -EIO;
-	}
-
-	mutex_lock(flash->ctrls.lock);
-	/* Reset faults before reading new ones. */
-	flash->fault = 0;
-	rval = adp1653_get_fault(flash);
-	mutex_unlock(flash->ctrls.lock);
-	if (rval > 0) {
-		dev_err(&client->dev, "faults detected: 0x%1.1x\n", rval);
-		return -EIO;
-	}
-
-	mutex_lock(flash->ctrls.lock);
-	rval = adp1653_update_hw(flash);
-	mutex_unlock(flash->ctrls.lock);
-	if (rval) {
-		dev_err(&client->dev,
-			"adp1653_update_hw failed at %s\n", __func__);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int
-__adp1653_set_power(struct adp1653_flash *flash, int on)
-{
-	int ret;
-
-	ret = flash->platform_data->power(&flash->subdev, on);
-	if (ret < 0)
-		return ret;
-
-	if (!on)
-		return 0;
-
-	ret = adp1653_init_device(flash);
-	if (ret < 0)
-		flash->platform_data->power(&flash->subdev, 0);
-
-	return ret;
-}
-
-static int
-adp1653_set_power(struct v4l2_subdev *subdev, int on)
-{
-	struct adp1653_flash *flash = to_adp1653_flash(subdev);
-	int ret = 0;
-
-	mutex_lock(&flash->power_lock);
-
-	/* If the power count is modified from 0 to != 0 or from != 0 to 0,
-	 * update the power state.
-	 */
-	if (flash->power_count == !on) {
-		ret = __adp1653_set_power(flash, !!on);
-		if (ret < 0)
-			goto done;
-	}
-
-	/* Update the power count. */
-	flash->power_count += on ? 1 : -1;
-	WARN_ON(flash->power_count < 0);
-
-done:
-	mutex_unlock(&flash->power_lock);
-	return ret;
-}
-
-static int adp1653_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
-{
-	return adp1653_set_power(sd, 1);
-}
-
-static int adp1653_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
-{
-	return adp1653_set_power(sd, 0);
-}
-
-static const struct v4l2_subdev_core_ops adp1653_core_ops = {
-	.s_power = adp1653_set_power,
-};
-
-static const struct v4l2_subdev_ops adp1653_ops = {
-	.core = &adp1653_core_ops,
-};
-
-static const struct v4l2_subdev_internal_ops adp1653_internal_ops = {
-	.open = adp1653_open,
-	.close = adp1653_close,
-};
-
-/* --------------------------------------------------------------------------
- * I2C driver
- */
-#ifdef CONFIG_PM
-
-static int adp1653_suspend(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
-	struct adp1653_flash *flash = to_adp1653_flash(subdev);
-
-	if (!flash->power_count)
-		return 0;
-
-	return __adp1653_set_power(flash, 0);
-}
-
-static int adp1653_resume(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
-	struct adp1653_flash *flash = to_adp1653_flash(subdev);
-
-	if (!flash->power_count)
-		return 0;
-
-	return __adp1653_set_power(flash, 1);
-}
-
-#else
-
-#define adp1653_suspend	NULL
-#define adp1653_resume	NULL
-
-#endif /* CONFIG_PM */
-
-static int adp1653_probe(struct i2c_client *client,
-			 const struct i2c_device_id *devid)
-{
-	struct adp1653_flash *flash;
-	int ret;
-
-	/* we couldn't work without platform data */
-	if (client->dev.platform_data == NULL)
-		return -ENODEV;
-
-	flash = kzalloc(sizeof(*flash), GFP_KERNEL);
-	if (flash == NULL)
-		return -ENOMEM;
-
-	flash->platform_data = client->dev.platform_data;
-
-	mutex_init(&flash->power_lock);
-
-	v4l2_i2c_subdev_init(&flash->subdev, client, &adp1653_ops);
-	flash->subdev.internal_ops = &adp1653_internal_ops;
-	flash->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-
-	ret = adp1653_init_controls(flash);
-	if (ret)
-		goto free_and_quit;
-
-	ret = media_entity_init(&flash->subdev.entity, 0, NULL, 0);
-	if (ret < 0)
-		goto free_and_quit;
-
-	flash->subdev.entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH;
-
-	return 0;
-
-free_and_quit:
-	v4l2_ctrl_handler_free(&flash->ctrls);
-	kfree(flash);
-	return ret;
-}
-
-static int __exit adp1653_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
-	struct adp1653_flash *flash = to_adp1653_flash(subdev);
-
-	v4l2_device_unregister_subdev(&flash->subdev);
-	v4l2_ctrl_handler_free(&flash->ctrls);
-	media_entity_cleanup(&flash->subdev.entity);
-	kfree(flash);
-	return 0;
-}
-
-static const struct i2c_device_id adp1653_id_table[] = {
-	{ ADP1653_NAME, 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, adp1653_id_table);
-
-static struct dev_pm_ops adp1653_pm_ops = {
-	.suspend	= adp1653_suspend,
-	.resume		= adp1653_resume,
-};
-
-static struct i2c_driver adp1653_i2c_driver = {
-	.driver		= {
-		.name	= ADP1653_NAME,
-		.pm	= &adp1653_pm_ops,
-	},
-	.probe		= adp1653_probe,
-	.remove		= __exit_p(adp1653_remove),
-	.id_table	= adp1653_id_table,
-};
-
-module_i2c_driver(adp1653_i2c_driver);
-
-MODULE_AUTHOR("Sakari Ailus <sakari.ailus@nokia.com>");
-MODULE_DESCRIPTION("Analog Devices ADP1653 LED flash driver");
-MODULE_LICENSE("GPL");