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Commit 3a698c9f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mauro Carvalho Chehab
Browse files

media: staging: atomisp: Remove Gmin dead code #2 



media/lm3642.h is not used anywhere. Moreover, there is a driver under
LEDs framework for very same IP which would be used anyway.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 3118eea4

drivers/staging/media/atomisp/include/media/lm3642.h

deleted100644 → 0
+0 −153
Original line number Original line Diff line number Diff line 
/*

 * include/media/lm3642.h

 *

 * Copyright (c) 2010-2012 Intel Corporation. All Rights Reserved.

 *

 * 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.

 */



#ifndef _LM3642_H_

#define _LM3642_H_



#include <linux/videodev2.h>

#include <media/v4l2-subdev.h>



#define LM3642_NAME    "lm3642"

#define LM3642_ID      3642



#define	v4l2_queryctrl_entry_integer(_id, _name,\

		_minimum, _maximum, _step, \

		_default_value, _flags)	\

	{\

		.id = (_id), \

		.type = V4L2_CTRL_TYPE_INTEGER, \

		.name = _name, \

		.minimum = (_minimum), \

		.maximum = (_maximum), \

		.step = (_step), \

		.default_value = (_default_value),\

		.flags = (_flags),\

	}

#define	v4l2_queryctrl_entry_boolean(_id, _name,\

		_default_value, _flags)	\

	{\

		.id = (_id), \

		.type = V4L2_CTRL_TYPE_BOOLEAN, \

		.name = _name, \

		.minimum = 0, \

		.maximum = 1, \

		.step = 1, \

		.default_value = (_default_value),\

		.flags = (_flags),\

	}



#define	s_ctrl_id_entry_integer(_id, _name, \

		_minimum, _maximum, _step, \

		_default_value, _flags, \

		_s_ctrl, _g_ctrl)	\

	{\

		.qc = v4l2_queryctrl_entry_integer(_id, _name,\

				_minimum, _maximum, _step,\

				_default_value, _flags), \

		.s_ctrl = _s_ctrl, \

		.g_ctrl = _g_ctrl, \

	}



#define	s_ctrl_id_entry_boolean(_id, _name, \

		_default_value, _flags, \

		_s_ctrl, _g_ctrl)	\

	{\

		.qc = v4l2_queryctrl_entry_boolean(_id, _name,\

				_default_value, _flags), \

		.s_ctrl = _s_ctrl, \

		.g_ctrl = _g_ctrl, \

	}





/* Default Values */

#define LM3642_DEFAULT_TIMEOUT           300U

#define LM3642_DEFAULT_RAMP_TIME	 0x10 /* 1.024ms */

#define LM3642_DEFAULT_INDICATOR_CURRENT 0x01 /* 1.88A */

#define LM3642_DEFAULT_FLASH_CURRENT	 0x0f /* 1500mA */



/* Value settings for Flash Time-out Duration*/

#define LM3642_MIN_TIMEOUT              100U

#define LM3642_MAX_TIMEOUT              800U

#define LM3642_TIMEOUT_STEPSIZE         100U



/* Flash modes */

#define LM3642_MODE_SHUTDOWN            0

#define LM3642_MODE_INDICATOR           1

#define LM3642_MODE_TORCH               2

#define LM3642_MODE_FLASH               3



/* timer delay time */

#define LM3642_TIMER_DELAY		5



/* Percentage <-> value macros */

#define LM3642_MIN_PERCENT                   0U

#define LM3642_MAX_PERCENT                   100U

#define LM3642_CLAMP_PERCENTAGE(val) \

	clamp(val, LM3642_MIN_PERCENT, LM3642_MAX_PERCENT)



#define LM3642_VALUE_TO_PERCENT(v, step) \

	(((((unsigned long)((v)+1))*(step))+50)/100)

#define LM3642_PERCENT_TO_VALUE(p, step) \

	(((((unsigned long)(p))*100)+((step)>>1))/(step)-1)



/* Product specific limits

 * TODO: get these from platform data */

#define LM3642_FLASH_MAX_LVL   0x0F /* 1500mA */

#define LM3642_TORCH_MAX_LVL   0x07 /* 187mA */

#define LM3642_INDICATOR_MAX_LVL   0x01 /* 1.88A */



/* Flash brightness, input is percentage, output is [0..15] */

#define LM3642_FLASH_STEP	\

	((100ul*(LM3642_MAX_PERCENT) \

	+((LM3642_FLASH_MAX_LVL+1)>>1)) \

	/((LM3642_FLASH_MAX_LVL+1)))

#define LM3642_FLASH_DEFAULT_BRIGHTNESS \

	LM3642_VALUE_TO_PERCENT(15, LM3642_FLASH_STEP)



/* Torch brightness, input is percentage, output is [0..7] */

#define LM3642_TORCH_STEP	\

	((100ul*(LM3642_MAX_PERCENT) \

	+((LM3642_TORCH_MAX_LVL+1)>>1)) \

	/((LM3642_TORCH_MAX_LVL+1)))

#define LM3642_TORCH_DEFAULT_BRIGHTNESS \

	LM3642_VALUE_TO_PERCENT(0, LM3642_TORCH_STEP)



/* Indicator brightness, input is percentage, output is [0..1] */

#define LM3642_INDICATOR_STEP	\

	((100ul*(LM3642_MAX_PERCENT) \

	+((LM3642_INDICATOR_MAX_LVL+1)>>1)) \

	/((LM3642_INDICATOR_MAX_LVL+1)))

#define LM3642_INDICATOR_DEFAULT_BRIGHTNESS \

	LM3642_VALUE_TO_PERCENT(1, LM3642_INDICATOR_STEP)



/*

 * lm3642_platform_data - Flash controller platform data

 */

struct lm3642_platform_data {

	int gpio_torch;

	int gpio_strobe;

	int (*power_ctrl)(struct v4l2_subdev *subdev, int on);



	unsigned int torch_en;

	unsigned int flash_en;

	unsigned int tx_en;

	unsigned int ivfm_en;

};



#endif /* _LM3642_H_ */