[media] move i2c files into drivers/media/i2c

Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 833 deletions

diff --git a/drivers/media/video/mt9t001.c b/drivers/media/video/mt9t001.c
deleted file mode 100644
index 6d343adf891..00000000000
--- a/drivers/media/video/mt9t001.c
+++ /dev/null
@@ -1,833 +0,0 @@
-/*
- * Driver for MT9T001 CMOS Image Sensor from Aptina (Micron)
- *
- * Copyright (C) 2010-2011, Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- *
- * Based on the MT9M001 driver,
- *
- * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
- *
- * 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.
- */
-
-#include <linux/i2c.h>
-#include <linux/module.h>
-#include <linux/log2.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <linux/v4l2-mediabus.h>
-
-#include <media/mt9t001.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-subdev.h>
-
-#define MT9T001_PIXEL_ARRAY_HEIGHT			1568
-#define MT9T001_PIXEL_ARRAY_WIDTH			2112
-
-#define MT9T001_CHIP_VERSION				0x00
-#define		MT9T001_CHIP_ID				0x1621
-#define MT9T001_ROW_START				0x01
-#define		MT9T001_ROW_START_MIN			0
-#define		MT9T001_ROW_START_DEF			20
-#define		MT9T001_ROW_START_MAX			1534
-#define MT9T001_COLUMN_START				0x02
-#define		MT9T001_COLUMN_START_MIN		0
-#define		MT9T001_COLUMN_START_DEF		32
-#define		MT9T001_COLUMN_START_MAX		2046
-#define MT9T001_WINDOW_HEIGHT				0x03
-#define		MT9T001_WINDOW_HEIGHT_MIN		1
-#define		MT9T001_WINDOW_HEIGHT_DEF		1535
-#define		MT9T001_WINDOW_HEIGHT_MAX		1567
-#define MT9T001_WINDOW_WIDTH				0x04
-#define		MT9T001_WINDOW_WIDTH_MIN		1
-#define		MT9T001_WINDOW_WIDTH_DEF		2047
-#define		MT9T001_WINDOW_WIDTH_MAX		2111
-#define MT9T001_HORIZONTAL_BLANKING			0x05
-#define		MT9T001_HORIZONTAL_BLANKING_MIN		21
-#define		MT9T001_HORIZONTAL_BLANKING_MAX		1023
-#define MT9T001_VERTICAL_BLANKING			0x06
-#define		MT9T001_VERTICAL_BLANKING_MIN		3
-#define		MT9T001_VERTICAL_BLANKING_MAX		1023
-#define MT9T001_OUTPUT_CONTROL				0x07
-#define		MT9T001_OUTPUT_CONTROL_SYNC		(1 << 0)
-#define		MT9T001_OUTPUT_CONTROL_CHIP_ENABLE	(1 << 1)
-#define		MT9T001_OUTPUT_CONTROL_TEST_DATA	(1 << 6)
-#define MT9T001_SHUTTER_WIDTH_HIGH			0x08
-#define MT9T001_SHUTTER_WIDTH_LOW			0x09
-#define		MT9T001_SHUTTER_WIDTH_MIN		1
-#define		MT9T001_SHUTTER_WIDTH_DEF		1561
-#define		MT9T001_SHUTTER_WIDTH_MAX		(1024 * 1024)
-#define MT9T001_PIXEL_CLOCK				0x0a
-#define		MT9T001_PIXEL_CLOCK_INVERT		(1 << 15)
-#define		MT9T001_PIXEL_CLOCK_SHIFT_MASK		(7 << 8)
-#define		MT9T001_PIXEL_CLOCK_SHIFT_SHIFT		8
-#define		MT9T001_PIXEL_CLOCK_DIVIDE_MASK		(0x7f << 0)
-#define MT9T001_FRAME_RESTART				0x0b
-#define MT9T001_SHUTTER_DELAY				0x0c
-#define		MT9T001_SHUTTER_DELAY_MAX		2047
-#define MT9T001_RESET					0x0d
-#define MT9T001_READ_MODE1				0x1e
-#define		MT9T001_READ_MODE_SNAPSHOT		(1 << 8)
-#define		MT9T001_READ_MODE_STROBE_ENABLE		(1 << 9)
-#define		MT9T001_READ_MODE_STROBE_WIDTH		(1 << 10)
-#define		MT9T001_READ_MODE_STROBE_OVERRIDE	(1 << 11)
-#define MT9T001_READ_MODE2				0x20
-#define		MT9T001_READ_MODE_BAD_FRAMES		(1 << 0)
-#define		MT9T001_READ_MODE_LINE_VALID_CONTINUOUS	(1 << 9)
-#define		MT9T001_READ_MODE_LINE_VALID_FRAME	(1 << 10)
-#define MT9T001_READ_MODE3				0x21
-#define		MT9T001_READ_MODE_GLOBAL_RESET		(1 << 0)
-#define		MT9T001_READ_MODE_GHST_CTL		(1 << 1)
-#define MT9T001_ROW_ADDRESS_MODE			0x22
-#define		MT9T001_ROW_SKIP_MASK			(7 << 0)
-#define		MT9T001_ROW_BIN_MASK			(3 << 3)
-#define		MT9T001_ROW_BIN_SHIFT			3
-#define MT9T001_COLUMN_ADDRESS_MODE			0x23
-#define		MT9T001_COLUMN_SKIP_MASK		(7 << 0)
-#define		MT9T001_COLUMN_BIN_MASK			(3 << 3)
-#define		MT9T001_COLUMN_BIN_SHIFT		3
-#define MT9T001_GREEN1_GAIN				0x2b
-#define MT9T001_BLUE_GAIN				0x2c
-#define MT9T001_RED_GAIN				0x2d
-#define MT9T001_GREEN2_GAIN				0x2e
-#define MT9T001_TEST_DATA				0x32
-#define MT9T001_GLOBAL_GAIN				0x35
-#define		MT9T001_GLOBAL_GAIN_MIN			8
-#define		MT9T001_GLOBAL_GAIN_MAX			1024
-#define MT9T001_BLACK_LEVEL				0x49
-#define MT9T001_ROW_BLACK_DEFAULT_OFFSET		0x4b
-#define MT9T001_BLC_DELTA_THRESHOLDS			0x5d
-#define MT9T001_CAL_THRESHOLDS				0x5f
-#define MT9T001_GREEN1_OFFSET				0x60
-#define MT9T001_GREEN2_OFFSET				0x61
-#define MT9T001_BLACK_LEVEL_CALIBRATION			0x62
-#define		MT9T001_BLACK_LEVEL_OVERRIDE		(1 << 0)
-#define		MT9T001_BLACK_LEVEL_DISABLE_OFFSET	(1 << 1)
-#define		MT9T001_BLACK_LEVEL_RECALCULATE		(1 << 12)
-#define		MT9T001_BLACK_LEVEL_LOCK_RED_BLUE	(1 << 13)
-#define		MT9T001_BLACK_LEVEL_LOCK_GREEN		(1 << 14)
-#define MT9T001_RED_OFFSET				0x63
-#define MT9T001_BLUE_OFFSET				0x64
-
-struct mt9t001 {
-	struct v4l2_subdev subdev;
-	struct media_pad pad;
-
-	struct v4l2_mbus_framefmt format;
-	struct v4l2_rect crop;
-
-	struct v4l2_ctrl_handler ctrls;
-	struct v4l2_ctrl *gains[4];
-
-	u16 output_control;
-	u16 black_level;
-};
-
-static inline struct mt9t001 *to_mt9t001(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct mt9t001, subdev);
-}
-
-static int mt9t001_read(struct i2c_client *client, u8 reg)
-{
-	return i2c_smbus_read_word_swapped(client, reg);
-}
-
-static int mt9t001_write(struct i2c_client *client, u8 reg, u16 data)
-{
-	return i2c_smbus_write_word_swapped(client, reg, data);
-}
-
-static int mt9t001_set_output_control(struct mt9t001 *mt9t001, u16 clear,
-				      u16 set)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&mt9t001->subdev);
-	u16 value = (mt9t001->output_control & ~clear) | set;
-	int ret;
-
-	if (value == mt9t001->output_control)
-		return 0;
-
-	ret = mt9t001_write(client, MT9T001_OUTPUT_CONTROL, value);
-	if (ret < 0)
-		return ret;
-
-	mt9t001->output_control = value;
-	return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * V4L2 subdev video operations
- */
-
-static struct v4l2_mbus_framefmt *
-__mt9t001_get_pad_format(struct mt9t001 *mt9t001, struct v4l2_subdev_fh *fh,
-			 unsigned int pad, enum v4l2_subdev_format_whence which)
-{
-	switch (which) {
-	case V4L2_SUBDEV_FORMAT_TRY:
-		return v4l2_subdev_get_try_format(fh, pad);
-	case V4L2_SUBDEV_FORMAT_ACTIVE:
-		return &mt9t001->format;
-	default:
-		return NULL;
-	}
-}
-
-static struct v4l2_rect *
-__mt9t001_get_pad_crop(struct mt9t001 *mt9t001, struct v4l2_subdev_fh *fh,
-		       unsigned int pad, enum v4l2_subdev_format_whence which)
-{
-	switch (which) {
-	case V4L2_SUBDEV_FORMAT_TRY:
-		return v4l2_subdev_get_try_crop(fh, pad);
-	case V4L2_SUBDEV_FORMAT_ACTIVE:
-		return &mt9t001->crop;
-	default:
-		return NULL;
-	}
-}
-
-static int mt9t001_s_stream(struct v4l2_subdev *subdev, int enable)
-{
-	const u16 mode = MT9T001_OUTPUT_CONTROL_CHIP_ENABLE;
-	struct i2c_client *client = v4l2_get_subdevdata(subdev);
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-	struct v4l2_mbus_framefmt *format = &mt9t001->format;
-	struct v4l2_rect *crop = &mt9t001->crop;
-	unsigned int hratio;
-	unsigned int vratio;
-	int ret;
-
-	if (!enable)
-		return mt9t001_set_output_control(mt9t001, mode, 0);
-
-	/* Configure the window size and row/column bin */
-	hratio = DIV_ROUND_CLOSEST(crop->width, format->width);
-	vratio = DIV_ROUND_CLOSEST(crop->height, format->height);
-
-	ret = mt9t001_write(client, MT9T001_ROW_ADDRESS_MODE, hratio - 1);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_COLUMN_ADDRESS_MODE, vratio - 1);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_COLUMN_START, crop->left);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_ROW_START, crop->top);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_WINDOW_WIDTH, crop->width - 1);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_WINDOW_HEIGHT, crop->height - 1);
-	if (ret < 0)
-		return ret;
-
-	/* Switch to master "normal" mode */
-	return mt9t001_set_output_control(mt9t001, 0, mode);
-}
-
-static int mt9t001_enum_mbus_code(struct v4l2_subdev *subdev,
-				  struct v4l2_subdev_fh *fh,
-				  struct v4l2_subdev_mbus_code_enum *code)
-{
-	if (code->index > 0)
-		return -EINVAL;
-
-	code->code = V4L2_MBUS_FMT_SGRBG10_1X10;
-	return 0;
-}
-
-static int mt9t001_enum_frame_size(struct v4l2_subdev *subdev,
-				   struct v4l2_subdev_fh *fh,
-				   struct v4l2_subdev_frame_size_enum *fse)
-{
-	if (fse->index >= 8 || fse->code != V4L2_MBUS_FMT_SGRBG10_1X10)
-		return -EINVAL;
-
-	fse->min_width = (MT9T001_WINDOW_WIDTH_DEF + 1) / fse->index;
-	fse->max_width = fse->min_width;
-	fse->min_height = (MT9T001_WINDOW_HEIGHT_DEF + 1) / fse->index;
-	fse->max_height = fse->min_height;
-
-	return 0;
-}
-
-static int mt9t001_get_format(struct v4l2_subdev *subdev,
-			      struct v4l2_subdev_fh *fh,
-			      struct v4l2_subdev_format *format)
-{
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-
-	format->format = *__mt9t001_get_pad_format(mt9t001, fh, format->pad,
-						   format->which);
-	return 0;
-}
-
-static int mt9t001_set_format(struct v4l2_subdev *subdev,
-			      struct v4l2_subdev_fh *fh,
-			      struct v4l2_subdev_format *format)
-{
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-	struct v4l2_mbus_framefmt *__format;
-	struct v4l2_rect *__crop;
-	unsigned int width;
-	unsigned int height;
-	unsigned int hratio;
-	unsigned int vratio;
-
-	__crop = __mt9t001_get_pad_crop(mt9t001, fh, format->pad,
-					format->which);
-
-	/* Clamp the width and height to avoid dividing by zero. */
-	width = clamp_t(unsigned int, ALIGN(format->format.width, 2),
-			max(__crop->width / 8, MT9T001_WINDOW_HEIGHT_MIN + 1),
-			__crop->width);
-	height = clamp_t(unsigned int, ALIGN(format->format.height, 2),
-			 max(__crop->height / 8, MT9T001_WINDOW_HEIGHT_MIN + 1),
-			 __crop->height);
-
-	hratio = DIV_ROUND_CLOSEST(__crop->width, width);
-	vratio = DIV_ROUND_CLOSEST(__crop->height, height);
-
-	__format = __mt9t001_get_pad_format(mt9t001, fh, format->pad,
-					    format->which);
-	__format->width = __crop->width / hratio;
-	__format->height = __crop->height / vratio;
-
-	format->format = *__format;
-
-	return 0;
-}
-
-static int mt9t001_get_crop(struct v4l2_subdev *subdev,
-			    struct v4l2_subdev_fh *fh,
-			    struct v4l2_subdev_crop *crop)
-{
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-
-	crop->rect = *__mt9t001_get_pad_crop(mt9t001, fh, crop->pad,
-					     crop->which);
-	return 0;
-}
-
-static int mt9t001_set_crop(struct v4l2_subdev *subdev,
-			    struct v4l2_subdev_fh *fh,
-			    struct v4l2_subdev_crop *crop)
-{
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-	struct v4l2_mbus_framefmt *__format;
-	struct v4l2_rect *__crop;
-	struct v4l2_rect rect;
-
-	/* Clamp the crop rectangle boundaries and align them to a multiple of 2
-	 * pixels.
-	 */
-	rect.left = clamp(ALIGN(crop->rect.left, 2),
-			  MT9T001_COLUMN_START_MIN,
-			  MT9T001_COLUMN_START_MAX);
-	rect.top = clamp(ALIGN(crop->rect.top, 2),
-			 MT9T001_ROW_START_MIN,
-			 MT9T001_ROW_START_MAX);
-	rect.width = clamp(ALIGN(crop->rect.width, 2),
-			   MT9T001_WINDOW_WIDTH_MIN + 1,
-			   MT9T001_WINDOW_WIDTH_MAX + 1);
-	rect.height = clamp(ALIGN(crop->rect.height, 2),
-			    MT9T001_WINDOW_HEIGHT_MIN + 1,
-			    MT9T001_WINDOW_HEIGHT_MAX + 1);
-
-	rect.width = min(rect.width, MT9T001_PIXEL_ARRAY_WIDTH - rect.left);
-	rect.height = min(rect.height, MT9T001_PIXEL_ARRAY_HEIGHT - rect.top);
-
-	__crop = __mt9t001_get_pad_crop(mt9t001, fh, crop->pad, crop->which);
-
-	if (rect.width != __crop->width || rect.height != __crop->height) {
-		/* Reset the output image size if the crop rectangle size has
-		 * been modified.
-		 */
-		__format = __mt9t001_get_pad_format(mt9t001, fh, crop->pad,
-						    crop->which);
-		__format->width = rect.width;
-		__format->height = rect.height;
-	}
-
-	*__crop = rect;
-	crop->rect = rect;
-
-	return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * V4L2 subdev control operations
- */
-
-#define V4L2_CID_TEST_PATTERN		(V4L2_CID_USER_BASE | 0x1001)
-#define V4L2_CID_BLACK_LEVEL_AUTO	(V4L2_CID_USER_BASE | 0x1002)
-#define V4L2_CID_BLACK_LEVEL_OFFSET	(V4L2_CID_USER_BASE | 0x1003)
-#define V4L2_CID_BLACK_LEVEL_CALIBRATE	(V4L2_CID_USER_BASE | 0x1004)
-
-#define V4L2_CID_GAIN_RED		(V4L2_CTRL_CLASS_CAMERA | 0x1001)
-#define V4L2_CID_GAIN_GREEN_RED		(V4L2_CTRL_CLASS_CAMERA | 0x1002)
-#define V4L2_CID_GAIN_GREEN_BLUE	(V4L2_CTRL_CLASS_CAMERA | 0x1003)
-#define V4L2_CID_GAIN_BLUE		(V4L2_CTRL_CLASS_CAMERA | 0x1004)
-
-static u16 mt9t001_gain_value(s32 *gain)
-{
-	/* Gain is controlled by 2 analog stages and a digital stage. Valid
-	 * values for the 3 stages are
-	 *
-	 * Stage		Min	Max	Step
-	 * ------------------------------------------
-	 * First analog stage	x1	x2	1
-	 * Second analog stage	x1	x4	0.125
-	 * Digital stage	x1	x16	0.125
-	 *
-	 * To minimize noise, the gain stages should be used in the second
-	 * analog stage, first analog stage, digital stage order. Gain from a
-	 * previous stage should be pushed to its maximum value before the next
-	 * stage is used.
-	 */
-	if (*gain <= 32)
-		return *gain;
-
-	if (*gain <= 64) {
-		*gain &= ~1;
-		return (1 << 6) | (*gain >> 1);
-	}
-
-	*gain &= ~7;
-	return ((*gain - 64) << 5) | (1 << 6) | 32;
-}
-
-static int mt9t001_ctrl_freeze(struct mt9t001 *mt9t001, bool freeze)
-{
-	return mt9t001_set_output_control(mt9t001,
-		freeze ? 0 : MT9T001_OUTPUT_CONTROL_SYNC,
-		freeze ? MT9T001_OUTPUT_CONTROL_SYNC : 0);
-}
-
-static int mt9t001_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	static const u8 gains[4] = {
-		MT9T001_RED_GAIN, MT9T001_GREEN1_GAIN,
-		MT9T001_GREEN2_GAIN, MT9T001_BLUE_GAIN
-	};
-
-	struct mt9t001 *mt9t001 =
-			container_of(ctrl->handler, struct mt9t001, ctrls);
-	struct i2c_client *client = v4l2_get_subdevdata(&mt9t001->subdev);
-	unsigned int count;
-	unsigned int i;
-	u16 value;
-	int ret;
-
-	switch (ctrl->id) {
-	case V4L2_CID_GAIN_RED:
-	case V4L2_CID_GAIN_GREEN_RED:
-	case V4L2_CID_GAIN_GREEN_BLUE:
-	case V4L2_CID_GAIN_BLUE:
-
-		/* Disable control updates if more than one control has changed
-		 * in the cluster.
-		 */
-		for (i = 0, count = 0; i < 4; ++i) {
-			struct v4l2_ctrl *gain = mt9t001->gains[i];
-
-			if (gain->val != gain->cur.val)
-				count++;
-		}
-
-		if (count > 1) {
-			ret = mt9t001_ctrl_freeze(mt9t001, true);
-			if (ret < 0)
-				return ret;
-		}
-
-		/* Update the gain controls. */
-		for (i = 0; i < 4; ++i) {
-			struct v4l2_ctrl *gain = mt9t001->gains[i];
-
-			if (gain->val == gain->cur.val)
-				continue;
-
-			value = mt9t001_gain_value(&gain->val);
-			ret = mt9t001_write(client, gains[i], value);
-			if (ret < 0) {
-				mt9t001_ctrl_freeze(mt9t001, false);
-				return ret;
-			}
-		}
-
-		/* Enable control updates. */
-		if (count > 1) {
-			ret = mt9t001_ctrl_freeze(mt9t001, false);
-			if (ret < 0)
-				return ret;
-		}
-
-		break;
-
-	case V4L2_CID_EXPOSURE:
-		ret = mt9t001_write(client, MT9T001_SHUTTER_WIDTH_LOW,
-				    ctrl->val & 0xffff);
-		if (ret < 0)
-			return ret;
-
-		return mt9t001_write(client, MT9T001_SHUTTER_WIDTH_HIGH,
-				     ctrl->val >> 16);
-
-	case V4L2_CID_TEST_PATTERN:
-		ret = mt9t001_set_output_control(mt9t001,
-			ctrl->val ? 0 : MT9T001_OUTPUT_CONTROL_TEST_DATA,
-			ctrl->val ? MT9T001_OUTPUT_CONTROL_TEST_DATA : 0);
-		if (ret < 0)
-			return ret;
-
-		return mt9t001_write(client, MT9T001_TEST_DATA, ctrl->val << 2);
-
-	case V4L2_CID_BLACK_LEVEL_AUTO:
-		value = ctrl->val ? 0 : MT9T001_BLACK_LEVEL_OVERRIDE;
-		ret = mt9t001_write(client, MT9T001_BLACK_LEVEL_CALIBRATION,
-				    value);
-		if (ret < 0)
-			return ret;
-
-		mt9t001->black_level = value;
-		break;
-
-	case V4L2_CID_BLACK_LEVEL_OFFSET:
-		ret = mt9t001_write(client, MT9T001_GREEN1_OFFSET, ctrl->val);
-		if (ret < 0)
-			return ret;
-
-		ret = mt9t001_write(client, MT9T001_GREEN2_OFFSET, ctrl->val);
-		if (ret < 0)
-			return ret;
-
-		ret = mt9t001_write(client, MT9T001_RED_OFFSET, ctrl->val);
-		if (ret < 0)
-			return ret;
-
-		return mt9t001_write(client, MT9T001_BLUE_OFFSET, ctrl->val);
-
-	case V4L2_CID_BLACK_LEVEL_CALIBRATE:
-		return mt9t001_write(client, MT9T001_BLACK_LEVEL_CALIBRATION,
-				     MT9T001_BLACK_LEVEL_RECALCULATE |
-				     mt9t001->black_level);
-	}
-
-	return 0;
-}
-
-static struct v4l2_ctrl_ops mt9t001_ctrl_ops = {
-	.s_ctrl = mt9t001_s_ctrl,
-};
-
-static const struct v4l2_ctrl_config mt9t001_ctrls[] = {
-	{
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_TEST_PATTERN,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Test pattern",
-		.min		= 0,
-		.max		= 1023,
-		.step		= 1,
-		.def		= 0,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_BLACK_LEVEL_AUTO,
-		.type		= V4L2_CTRL_TYPE_BOOLEAN,
-		.name		= "Black Level, Auto",
-		.min		= 0,
-		.max		= 1,
-		.step		= 1,
-		.def		= 1,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_BLACK_LEVEL_OFFSET,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Black Level, Offset",
-		.min		= -256,
-		.max		= 255,
-		.step		= 1,
-		.def		= 32,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_BLACK_LEVEL_CALIBRATE,
-		.type		= V4L2_CTRL_TYPE_BUTTON,
-		.name		= "Black Level, Calibrate",
-		.min		= 0,
-		.max		= 0,
-		.step		= 0,
-		.def		= 0,
-		.flags		= V4L2_CTRL_FLAG_WRITE_ONLY,
-	},
-};
-
-static const struct v4l2_ctrl_config mt9t001_gains[] = {
-	{
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_GAIN_RED,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Gain, Red",
-		.min		= MT9T001_GLOBAL_GAIN_MIN,
-		.max		= MT9T001_GLOBAL_GAIN_MAX,
-		.step		= 1,
-		.def		= MT9T001_GLOBAL_GAIN_MIN,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_GAIN_GREEN_RED,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Gain, Green (R)",
-		.min		= MT9T001_GLOBAL_GAIN_MIN,
-		.max		= MT9T001_GLOBAL_GAIN_MAX,
-		.step		= 1,
-		.def		= MT9T001_GLOBAL_GAIN_MIN,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_GAIN_GREEN_BLUE,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Gain, Green (B)",
-		.min		= MT9T001_GLOBAL_GAIN_MIN,
-		.max		= MT9T001_GLOBAL_GAIN_MAX,
-		.step		= 1,
-		.def		= MT9T001_GLOBAL_GAIN_MIN,
-		.flags		= 0,
-	}, {
-		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_GAIN_BLUE,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Gain, Blue",
-		.min		= MT9T001_GLOBAL_GAIN_MIN,
-		.max		= MT9T001_GLOBAL_GAIN_MAX,
-		.step		= 1,
-		.def		= MT9T001_GLOBAL_GAIN_MIN,
-		.flags		= 0,
-	},
-};
-
-/* -----------------------------------------------------------------------------
- * V4L2 subdev internal operations
- */
-
-static int mt9t001_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh)
-{
-	struct v4l2_mbus_framefmt *format;
-	struct v4l2_rect *crop;
-
-	crop = v4l2_subdev_get_try_crop(fh, 0);
-	crop->left = MT9T001_COLUMN_START_DEF;
-	crop->top = MT9T001_ROW_START_DEF;
-	crop->width = MT9T001_WINDOW_WIDTH_DEF + 1;
-	crop->height = MT9T001_WINDOW_HEIGHT_DEF + 1;
-
-	format = v4l2_subdev_get_try_format(fh, 0);
-	format->code = V4L2_MBUS_FMT_SGRBG10_1X10;
-	format->width = MT9T001_WINDOW_WIDTH_DEF + 1;
-	format->height = MT9T001_WINDOW_HEIGHT_DEF + 1;
-	format->field = V4L2_FIELD_NONE;
-	format->colorspace = V4L2_COLORSPACE_SRGB;
-
-	return 0;
-}
-
-static struct v4l2_subdev_video_ops mt9t001_subdev_video_ops = {
-	.s_stream = mt9t001_s_stream,
-};
-
-static struct v4l2_subdev_pad_ops mt9t001_subdev_pad_ops = {
-	.enum_mbus_code = mt9t001_enum_mbus_code,
-	.enum_frame_size = mt9t001_enum_frame_size,
-	.get_fmt = mt9t001_get_format,
-	.set_fmt = mt9t001_set_format,
-	.get_crop = mt9t001_get_crop,
-	.set_crop = mt9t001_set_crop,
-};
-
-static struct v4l2_subdev_ops mt9t001_subdev_ops = {
-	.video = &mt9t001_subdev_video_ops,
-	.pad = &mt9t001_subdev_pad_ops,
-};
-
-static struct v4l2_subdev_internal_ops mt9t001_subdev_internal_ops = {
-	.open = mt9t001_open,
-};
-
-static int mt9t001_video_probe(struct i2c_client *client)
-{
-	struct mt9t001_platform_data *pdata = client->dev.platform_data;
-	s32 data;
-	int ret;
-
-	dev_info(&client->dev, "Probing MT9T001 at address 0x%02x\n",
-		 client->addr);
-
-	/* Reset the chip and stop data read out */
-	ret = mt9t001_write(client, MT9T001_RESET, 1);
-	if (ret < 0)
-		return ret;
-
-	ret = mt9t001_write(client, MT9T001_RESET, 0);
-	if (ret < 0)
-		return ret;
-
-	ret  = mt9t001_write(client, MT9T001_OUTPUT_CONTROL, 0);
-	if (ret < 0)
-		return ret;
-
-	/* Configure the pixel clock polarity */
-	if (pdata->clk_pol) {
-		ret  = mt9t001_write(client, MT9T001_PIXEL_CLOCK,
-				     MT9T001_PIXEL_CLOCK_INVERT);
-		if (ret < 0)
-			return ret;
-	}
-
-	/* Read and check the sensor version */
-	data = mt9t001_read(client, MT9T001_CHIP_VERSION);
-	if (data != MT9T001_CHIP_ID) {
-		dev_err(&client->dev, "MT9T001 not detected, wrong version "
-			"0x%04x\n", data);
-		return -ENODEV;
-	}
-
-	dev_info(&client->dev, "MT9T001 detected at address 0x%02x\n",
-		 client->addr);
-
-	return ret;
-}
-
-static int mt9t001_probe(struct i2c_client *client,
-			 const struct i2c_device_id *did)
-{
-	struct mt9t001_platform_data *pdata = client->dev.platform_data;
-	struct mt9t001 *mt9t001;
-	unsigned int i;
-	int ret;
-
-	if (pdata == NULL) {
-		dev_err(&client->dev, "No platform data\n");
-		return -EINVAL;
-	}
-
-	if (!i2c_check_functionality(client->adapter,
-				     I2C_FUNC_SMBUS_WORD_DATA)) {
-		dev_warn(&client->adapter->dev,
-			 "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
-		return -EIO;
-	}
-
-	ret = mt9t001_video_probe(client);
-	if (ret < 0)
-		return ret;
-
-	mt9t001 = kzalloc(sizeof(*mt9t001), GFP_KERNEL);
-	if (!mt9t001)
-		return -ENOMEM;
-
-	v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) +
-						ARRAY_SIZE(mt9t001_gains) + 3);
-
-	v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
-			  V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN,
-			  MT9T001_SHUTTER_WIDTH_MAX, 1,
-			  MT9T001_SHUTTER_WIDTH_DEF);
-	v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
-			  V4L2_CID_BLACK_LEVEL, 1, 1, 1, 1);
-	v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
-			  V4L2_CID_PIXEL_RATE, pdata->ext_clk, pdata->ext_clk,
-			  1, pdata->ext_clk);
-
-	for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i)
-		v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL);
-
-	for (i = 0; i < ARRAY_SIZE(mt9t001_gains); ++i)
-		mt9t001->gains[i] = v4l2_ctrl_new_custom(&mt9t001->ctrls,
-			&mt9t001_gains[i], NULL);
-
-	v4l2_ctrl_cluster(ARRAY_SIZE(mt9t001_gains), mt9t001->gains);
-
-	mt9t001->subdev.ctrl_handler = &mt9t001->ctrls;
-
-	if (mt9t001->ctrls.error) {
-		printk(KERN_INFO "%s: control initialization error %d\n",
-		       __func__, mt9t001->ctrls.error);
-		ret = -EINVAL;
-		goto done;
-	}
-
-	mt9t001->crop.left = MT9T001_COLUMN_START_DEF;
-	mt9t001->crop.top = MT9T001_ROW_START_DEF;
-	mt9t001->crop.width = MT9T001_WINDOW_WIDTH_DEF + 1;
-	mt9t001->crop.height = MT9T001_WINDOW_HEIGHT_DEF + 1;
-
-	mt9t001->format.code = V4L2_MBUS_FMT_SGRBG10_1X10;
-	mt9t001->format.width = MT9T001_WINDOW_WIDTH_DEF + 1;
-	mt9t001->format.height = MT9T001_WINDOW_HEIGHT_DEF + 1;
-	mt9t001->format.field = V4L2_FIELD_NONE;
-	mt9t001->format.colorspace = V4L2_COLORSPACE_SRGB;
-
-	v4l2_i2c_subdev_init(&mt9t001->subdev, client, &mt9t001_subdev_ops);
-	mt9t001->subdev.internal_ops = &mt9t001_subdev_internal_ops;
-	mt9t001->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-
-	mt9t001->pad.flags = MEDIA_PAD_FL_SOURCE;
-	ret = media_entity_init(&mt9t001->subdev.entity, 1, &mt9t001->pad, 0);
-
-done:
-	if (ret < 0) {
-		v4l2_ctrl_handler_free(&mt9t001->ctrls);
-		media_entity_cleanup(&mt9t001->subdev.entity);
-		kfree(mt9t001);
-	}
-
-	return ret;
-}
-
-static int mt9t001_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *subdev = i2c_get_clientdata(client);
-	struct mt9t001 *mt9t001 = to_mt9t001(subdev);
-
-	v4l2_ctrl_handler_free(&mt9t001->ctrls);
-	v4l2_device_unregister_subdev(subdev);
-	media_entity_cleanup(&subdev->entity);
-	kfree(mt9t001);
-	return 0;
-}
-
-static const struct i2c_device_id mt9t001_id[] = {
-	{ "mt9t001", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, mt9t001_id);
-
-static struct i2c_driver mt9t001_driver = {
-	.driver = {
-		.name = "mt9t001",
-	},
-	.probe		= mt9t001_probe,
-	.remove		= mt9t001_remove,
-	.id_table	= mt9t001_id,
-};
-
-module_i2c_driver(mt9t001_driver);
-
-MODULE_DESCRIPTION("Aptina (Micron) MT9T001 Camera driver");
-MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
-MODULE_LICENSE("GPL");