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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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

-/*
- * 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_ */
-