diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
index 5974dd5bd95e..4e92268da32a 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
@@ -35,8 +35,7 @@
 #include "gc0310.h"
 
 /* i2c read/write stuff */
-static int gc0310_read_reg(struct i2c_client *client,
-			   u16 data_length, u8 reg, u8 *val)
+static int gc0310_read_reg(struct i2c_client *client, u8 reg, u8 *val)
 {
 	int err;
 	struct i2c_msg msg[2];
@@ -48,12 +47,6 @@ static int gc0310_read_reg(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	if (data_length != GC0310_8BIT) {
-		dev_err(&client->dev, "%s error, invalid data length\n",
-			__func__);
-		return -EINVAL;
-	}
-
 	memset(msg, 0, sizeof(msg));
 
 	msg[0].addr = client->addr;
@@ -65,7 +58,7 @@ static int gc0310_read_reg(struct i2c_client *client,
 	data[0] = (u8)(reg & 0xff);
 
 	msg[1].addr = client->addr;
-	msg[1].len = data_length;
+	msg[1].len = 1;
 	msg[1].flags = I2C_M_RD;
 	msg[1].buf = data;
 
@@ -78,11 +71,7 @@ static int gc0310_read_reg(struct i2c_client *client,
 		return err;
 	}
 
-	*val = 0;
-	/* high byte comes first */
-	if (data_length == GC0310_8BIT)
-		*val = (u8)data[0];
-
+	*val = (u8)data[0];
 	return 0;
 }
 
@@ -101,25 +90,17 @@ static int gc0310_i2c_write(struct i2c_client *client, u16 len, u8 *data)
 	return ret == num_msg ? 0 : -EIO;
 }
 
-static int gc0310_write_reg(struct i2c_client *client, u16 data_length,
-			    u8 reg, u8 val)
+static int gc0310_write_reg(struct i2c_client *client, u8 reg, u8 val)
 {
 	int ret;
 	unsigned char data[2] = {0};
 	u8 *wreg = (u8 *)data;
-	const u16 len = data_length + sizeof(u8); /* 8-bit address + data */
-
-	if (data_length != GC0310_8BIT) {
-		dev_err(&client->dev,
-			"%s error, invalid data_length\n", __func__);
-		return -EINVAL;
-	}
+	const u16 len = 1 + sizeof(u8); /* 8-bit address + data */
 
 	/* high byte goes out first */
 	*wreg = (u8)(reg & 0xff);
 
-	if (data_length == GC0310_8BIT)
-		data[1] = (u8)(val);
+	data[1] = (u8)(val);
 
 	ret = gc0310_i2c_write(client, len, data);
 	if (ret)
@@ -142,7 +123,7 @@ static int gc0310_write_reg_array(struct i2c_client *client,
 	int i, err;
 
 	for (i = 0; i < count; i++) {
-		err = gc0310_write_reg(client, GC0310_8BIT, reglist[i].reg, reglist[i].val);
+		err = gc0310_write_reg(client, reglist[i].reg, reglist[i].val);
 		if (err)
 			return err;
 	}
@@ -173,14 +154,12 @@ static int gc0310_set_gain(struct v4l2_subdev *sd, int gain)
 	dev_dbg(&client->dev, "gain=0x%x again=0x%x dgain=0x%x\n", gain, again, dgain);
 
 	/* set analog gain */
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_AGC_ADJ, again);
+	ret = gc0310_write_reg(client, GC0310_AGC_ADJ, again);
 	if (ret)
 		return ret;
 
 	/* set digital gain */
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_DGC_ADJ, dgain);
+	ret = gc0310_write_reg(client, GC0310_DGC_ADJ, dgain);
 	if (ret)
 		return ret;
 
@@ -197,15 +176,11 @@ static int __gc0310_set_exposure(struct v4l2_subdev *sd, int coarse_itg,
 	dev_dbg(&client->dev, "coarse_itg=%d gain=%d digitgain=%d\n", coarse_itg, gain, digitgain);
 
 	/* set exposure */
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_AEC_PK_EXPO_L,
-			       coarse_itg & 0xff);
+	ret = gc0310_write_reg(client, GC0310_AEC_PK_EXPO_L, coarse_itg & 0xff);
 	if (ret)
 		return ret;
 
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_AEC_PK_EXPO_H,
-			       (coarse_itg >> 8) & 0x0f);
+	ret = gc0310_write_reg(client, GC0310_AEC_PK_EXPO_H, (coarse_itg >> 8) & 0x0f);
 	if (ret)
 		return ret;
 
@@ -280,16 +255,12 @@ static int gc0310_q_exposure(struct v4l2_subdev *sd, s32 *value)
 	int ret;
 
 	/* get exposure */
-	ret = gc0310_read_reg(client, GC0310_8BIT,
-			      GC0310_AEC_PK_EXPO_L,
-			      &reg_v);
+	ret = gc0310_read_reg(client, GC0310_AEC_PK_EXPO_L, &reg_v);
 	if (ret)
 		goto err;
 
 	*value = reg_v;
-	ret = gc0310_read_reg(client, GC0310_8BIT,
-			      GC0310_AEC_PK_EXPO_H,
-			      &reg_v);
+	ret = gc0310_read_reg(client, GC0310_AEC_PK_EXPO_H, &reg_v);
 	if (ret)
 		goto err;
 
@@ -654,14 +625,12 @@ static int gc0310_detect(struct i2c_client *client)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
 		return -ENODEV;
 
-	ret = gc0310_read_reg(client, GC0310_8BIT,
-			      GC0310_SC_CMMN_CHIP_ID_H, &high);
+	ret = gc0310_read_reg(client, GC0310_SC_CMMN_CHIP_ID_H, &high);
 	if (ret) {
 		dev_err(&client->dev, "read sensor_id_high failed\n");
 		return -ENODEV;
 	}
-	ret = gc0310_read_reg(client, GC0310_8BIT,
-			      GC0310_SC_CMMN_CHIP_ID_L, &low);
+	ret = gc0310_read_reg(client, GC0310_SC_CMMN_CHIP_ID_L, &low);
 	if (ret) {
 		dev_err(&client->dev, "read sensor_id_low failed\n");
 		return -ENODEV;
@@ -691,22 +660,20 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable)
 
 	if (enable) {
 		/* enable per frame MIPI and sensor ctrl reset  */
-		ret = gc0310_write_reg(client, GC0310_8BIT,
-				       0xFE, 0x30);
+		ret = gc0310_write_reg(client, 0xFE, 0x30);
 		if (ret) {
 			mutex_unlock(&dev->input_lock);
 			return ret;
 		}
 	}
 
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_3);
+	ret = gc0310_write_reg(client, GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_3);
 	if (ret) {
 		mutex_unlock(&dev->input_lock);
 		return ret;
 	}
 
-	ret = gc0310_write_reg(client, GC0310_8BIT, GC0310_SW_STREAM,
+	ret = gc0310_write_reg(client, GC0310_SW_STREAM,
 			       enable ? GC0310_START_STREAMING :
 			       GC0310_STOP_STREAMING);
 	if (ret) {
@@ -714,8 +681,7 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable)
 		return ret;
 	}
 
-	ret = gc0310_write_reg(client, GC0310_8BIT,
-			       GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_0);
+	ret = gc0310_write_reg(client, GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_0);
 	if (ret) {
 		mutex_unlock(&dev->input_lock);
 		return ret;
diff --git a/drivers/staging/media/atomisp/i2c/gc0310.h b/drivers/staging/media/atomisp/i2c/gc0310.h
index a2734934fc6a..0ff2d93cbcbf 100644
--- a/drivers/staging/media/atomisp/i2c/gc0310.h
+++ b/drivers/staging/media/atomisp/i2c/gc0310.h
@@ -138,20 +138,14 @@ struct gc0310_device {
 	bool power_on;
 };
 
-enum gc0310_tok_type {
-	GC0310_8BIT  = 0x0001,
-};
-
 /**
  * struct gc0310_reg - MI sensor  register format
- * @type: type of the register
  * @reg: 16-bit offset to register
  * @val: 8/16/32-bit register value
  *
  * Define a structure for sensor register initialization values
  */
 struct gc0310_reg {
-	enum gc0310_tok_type type;
 	u8 reg;
 	u8 val;	/* @set value for read/mod/write, @mask */
 };
@@ -165,181 +159,181 @@ static const struct gc0310_reg gc0310_reset_register[] = {
 /////////////////////////////////////////////////
 /////////////////	system reg	/////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0xfe, 0xf0},
-	{GC0310_8BIT, 0xfe, 0xf0},
-	{GC0310_8BIT, 0xfe, 0x00},
-
-	{GC0310_8BIT, 0xfc, 0x0e}, //4e
-	{GC0310_8BIT, 0xfc, 0x0e}, //16//4e // [0]apwd [6]regf_clk_gate
-	{GC0310_8BIT, 0xf2, 0x80}, //sync output
-	{GC0310_8BIT, 0xf3, 0x00}, //1f//01 data output
-	{GC0310_8BIT, 0xf7, 0x33}, //f9
-	{GC0310_8BIT, 0xf8, 0x05}, //00
-	{GC0310_8BIT, 0xf9, 0x0e}, // 0x8e //0f
-	{GC0310_8BIT, 0xfa, 0x11},
+	{ 0xfe, 0xf0 },
+	{ 0xfe, 0xf0 },
+	{ 0xfe, 0x00 },
+
+	{ 0xfc, 0x0e }, /* 4e */
+	{ 0xfc, 0x0e }, /* 16//4e // [0]apwd [6]regf_clk_gate */
+	{ 0xf2, 0x80 }, /* sync output */
+	{ 0xf3, 0x00 }, /* 1f//01 data output */
+	{ 0xf7, 0x33 }, /* f9 */
+	{ 0xf8, 0x05 }, /* 00 */
+	{ 0xf9, 0x0e }, /* 0x8e //0f */
+	{ 0xfa, 0x11 },
 
 /////////////////////////////////////////////////
 ///////////////////   MIPI	 ////////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0xfe, 0x03},
-	{GC0310_8BIT, 0x01, 0x03}, ///mipi 1lane
-	{GC0310_8BIT, 0x02, 0x22}, // 0x33
-	{GC0310_8BIT, 0x03, 0x94},
-	{GC0310_8BIT, 0x04, 0x01}, // fifo_prog
-	{GC0310_8BIT, 0x05, 0x00}, //fifo_prog
-	{GC0310_8BIT, 0x06, 0x80}, //b0  //YUV ISP data
-	{GC0310_8BIT, 0x11, 0x2a},//1e //LDI set YUV422
-	{GC0310_8BIT, 0x12, 0x90},//00 //04 //00 //04//00 //LWC[7:0]  //
-	{GC0310_8BIT, 0x13, 0x02},//05 //05 //LWC[15:8]
-	{GC0310_8BIT, 0x15, 0x12}, // 0x10 //DPHYY_MODE read_ready
-	{GC0310_8BIT, 0x17, 0x01},
-	{GC0310_8BIT, 0x40, 0x08},
-	{GC0310_8BIT, 0x41, 0x00},
-	{GC0310_8BIT, 0x42, 0x00},
-	{GC0310_8BIT, 0x43, 0x00},
-	{GC0310_8BIT, 0x21, 0x02}, // 0x01
-	{GC0310_8BIT, 0x22, 0x02}, // 0x01
-	{GC0310_8BIT, 0x23, 0x01}, // 0x05 //Nor:0x05 DOU:0x06
-	{GC0310_8BIT, 0x29, 0x00},
-	{GC0310_8BIT, 0x2A, 0x25}, // 0x05 //data zero 0x7a de
-	{GC0310_8BIT, 0x2B, 0x02},
-
-	{GC0310_8BIT, 0xfe, 0x00},
+	{ 0xfe, 0x03 },
+	{ 0x01, 0x03 }, /* mipi 1lane */
+	{ 0x02, 0x22 }, /* 0x33 */
+	{ 0x03, 0x94 },
+	{ 0x04, 0x01 }, /* fifo_prog */
+	{ 0x05, 0x00 }, /* fifo_prog */
+	{ 0x06, 0x80 }, /* b0  //YUV ISP data */
+	{ 0x11, 0x2a }, /* 1e //LDI set YUV422 */
+	{ 0x12, 0x90 }, /* 00 //04 //00 //04//00 //LWC[7:0] */
+	{ 0x13, 0x02 }, /* 05 //05 //LWC[15:8] */
+	{ 0x15, 0x12 }, /* 0x10 //DPHYY_MODE read_ready */
+	{ 0x17, 0x01 },
+	{ 0x40, 0x08 },
+	{ 0x41, 0x00 },
+	{ 0x42, 0x00 },
+	{ 0x43, 0x00 },
+	{ 0x21, 0x02 }, /* 0x01 */
+	{ 0x22, 0x02 }, /* 0x01 */
+	{ 0x23, 0x01 }, /* 0x05 //Nor:0x05 DOU:0x06 */
+	{ 0x29, 0x00 },
+	{ 0x2A, 0x25 }, /* 0x05 //data zero 0x7a de */
+	{ 0x2B, 0x02 },
+
+	{ 0xfe, 0x00 },
 
 /////////////////////////////////////////////////
 /////////////////	CISCTL reg	/////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0x00, 0x2f}, //2f//0f//02//01
-	{GC0310_8BIT, 0x01, 0x0f}, //06
-	{GC0310_8BIT, 0x02, 0x04},
-	{GC0310_8BIT, 0x4f, 0x00}, //AEC 0FF
-	{GC0310_8BIT, 0x03, 0x01}, // 0x03 //04
-	{GC0310_8BIT, 0x04, 0xc0}, // 0xe8 //58
-	{GC0310_8BIT, 0x05, 0x00},
-	{GC0310_8BIT, 0x06, 0xb2}, // 0x0a //HB
-	{GC0310_8BIT, 0x07, 0x00},
-	{GC0310_8BIT, 0x08, 0x0c}, // 0x89 //VB
-	{GC0310_8BIT, 0x09, 0x00}, //row start
-	{GC0310_8BIT, 0x0a, 0x00}, //
-	{GC0310_8BIT, 0x0b, 0x00}, //col start
-	{GC0310_8BIT, 0x0c, 0x00},
-	{GC0310_8BIT, 0x0d, 0x01}, //height
-	{GC0310_8BIT, 0x0e, 0xf2}, // 0xf7 //height
-	{GC0310_8BIT, 0x0f, 0x02}, //width
-	{GC0310_8BIT, 0x10, 0x94}, // 0xa0 //height
-	{GC0310_8BIT, 0x17, 0x14},
-	{GC0310_8BIT, 0x18, 0x1a}, //0a//[4]double reset
-	{GC0310_8BIT, 0x19, 0x14}, //AD pipeline
-	{GC0310_8BIT, 0x1b, 0x48},
-	{GC0310_8BIT, 0x1e, 0x6b}, //3b//col bias
-	{GC0310_8BIT, 0x1f, 0x28}, //20//00//08//txlow
-	{GC0310_8BIT, 0x20, 0x89}, //88//0c//[3:2]DA15
-	{GC0310_8BIT, 0x21, 0x49}, //48//[3] txhigh
-	{GC0310_8BIT, 0x22, 0xb0},
-	{GC0310_8BIT, 0x23, 0x04}, //[1:0]vcm_r
-	{GC0310_8BIT, 0x24, 0x16}, //15
-	{GC0310_8BIT, 0x34, 0x20}, //[6:4] rsg high//range
+	{ 0x00, 0x2f }, /* 2f//0f//02//01 */
+	{ 0x01, 0x0f }, /* 06 */
+	{ 0x02, 0x04 },
+	{ 0x4f, 0x00 }, /* AEC 0FF */
+	{ 0x03, 0x01 }, /* 0x03 //04 */
+	{ 0x04, 0xc0 }, /* 0xe8 //58 */
+	{ 0x05, 0x00 },
+	{ 0x06, 0xb2 }, /* 0x0a //HB */
+	{ 0x07, 0x00 },
+	{ 0x08, 0x0c }, /* 0x89 //VB */
+	{ 0x09, 0x00 }, /* row start */
+	{ 0x0a, 0x00 },
+	{ 0x0b, 0x00 }, /* col start */
+	{ 0x0c, 0x00 },
+	{ 0x0d, 0x01 }, /* height */
+	{ 0x0e, 0xf2 }, /* 0xf7 //height */
+	{ 0x0f, 0x02 }, /* width */
+	{ 0x10, 0x94 }, /* 0xa0 //height */
+	{ 0x17, 0x14 },
+	{ 0x18, 0x1a }, /* 0a//[4]double reset */
+	{ 0x19, 0x14 }, /* AD pipeline */
+	{ 0x1b, 0x48 },
+	{ 0x1e, 0x6b }, /* 3b//col bias */
+	{ 0x1f, 0x28 }, /* 20//00//08//txlow */
+	{ 0x20, 0x89 }, /* 88//0c//[3:2]DA15 */
+	{ 0x21, 0x49 }, /* 48//[3] txhigh */
+	{ 0x22, 0xb0 },
+	{ 0x23, 0x04 }, /* [1:0]vcm_r */
+	{ 0x24, 0x16 }, /* 15 */
+	{ 0x34, 0x20 }, /* [6:4] rsg high//range */
 
 /////////////////////////////////////////////////
 ////////////////////   BLK	 ////////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0x26, 0x23}, //[1]dark_current_en [0]offset_en
-	{GC0310_8BIT, 0x28, 0xff}, //BLK_limie_value
-	{GC0310_8BIT, 0x29, 0x00}, //global offset
-	{GC0310_8BIT, 0x33, 0x18}, //offset_ratio
-	{GC0310_8BIT, 0x37, 0x20}, //dark_current_ratio
-	{GC0310_8BIT, 0x2a, 0x00},
-	{GC0310_8BIT, 0x2b, 0x00},
-	{GC0310_8BIT, 0x2c, 0x00},
-	{GC0310_8BIT, 0x2d, 0x00},
-	{GC0310_8BIT, 0x2e, 0x00},
-	{GC0310_8BIT, 0x2f, 0x00},
-	{GC0310_8BIT, 0x30, 0x00},
-	{GC0310_8BIT, 0x31, 0x00},
-	{GC0310_8BIT, 0x47, 0x80}, //a7
-	{GC0310_8BIT, 0x4e, 0x66}, //select_row
-	{GC0310_8BIT, 0xa8, 0x02}, //win_width_dark, same with crop_win_width
-	{GC0310_8BIT, 0xa9, 0x80},
+	{ 0x26, 0x23 }, /* [1]dark_current_en [0]offset_en */
+	{ 0x28, 0xff }, /* BLK_limie_value */
+	{ 0x29, 0x00 }, /* global offset */
+	{ 0x33, 0x18 }, /* offset_ratio */
+	{ 0x37, 0x20 }, /* dark_current_ratio */
+	{ 0x2a, 0x00 },
+	{ 0x2b, 0x00 },
+	{ 0x2c, 0x00 },
+	{ 0x2d, 0x00 },
+	{ 0x2e, 0x00 },
+	{ 0x2f, 0x00 },
+	{ 0x30, 0x00 },
+	{ 0x31, 0x00 },
+	{ 0x47, 0x80 }, /* a7 */
+	{ 0x4e, 0x66 }, /* select_row */
+	{ 0xa8, 0x02 }, /* win_width_dark, same with crop_win_width */
+	{ 0xa9, 0x80 },
 
 /////////////////////////////////////////////////
 //////////////////	 ISP reg  ///////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0x40, 0x06}, // 0xff //ff //48
-	{GC0310_8BIT, 0x41, 0x00}, // 0x21 //00//[0]curve_en
-	{GC0310_8BIT, 0x42, 0x04}, // 0xcf //0a//[1]awn_en
-	{GC0310_8BIT, 0x44, 0x18}, // 0x18 //02
-	{GC0310_8BIT, 0x46, 0x02}, // 0x03 //sync
-	{GC0310_8BIT, 0x49, 0x03},
-	{GC0310_8BIT, 0x4c, 0x20}, //00[5]pretect exp
-	{GC0310_8BIT, 0x50, 0x01}, //crop enable
-	{GC0310_8BIT, 0x51, 0x00},
-	{GC0310_8BIT, 0x52, 0x00},
-	{GC0310_8BIT, 0x53, 0x00},
-	{GC0310_8BIT, 0x54, 0x01},
-	{GC0310_8BIT, 0x55, 0x01}, //crop window height
-	{GC0310_8BIT, 0x56, 0xf0},
-	{GC0310_8BIT, 0x57, 0x02}, //crop window width
-	{GC0310_8BIT, 0x58, 0x90},
+	{ 0x40, 0x06 }, /* 0xff //ff //48 */
+	{ 0x41, 0x00 }, /* 0x21 //00//[0]curve_en */
+	{ 0x42, 0x04 }, /* 0xcf //0a//[1]awn_en */
+	{ 0x44, 0x18 }, /* 0x18 //02 */
+	{ 0x46, 0x02 }, /* 0x03 //sync */
+	{ 0x49, 0x03 },
+	{ 0x4c, 0x20 }, /* 00[5]pretect exp */
+	{ 0x50, 0x01 }, /* crop enable */
+	{ 0x51, 0x00 },
+	{ 0x52, 0x00 },
+	{ 0x53, 0x00 },
+	{ 0x54, 0x01 },
+	{ 0x55, 0x01 }, /* crop window height */
+	{ 0x56, 0xf0 },
+	{ 0x57, 0x02 }, /* crop window width */
+	{ 0x58, 0x90 },
 
 /////////////////////////////////////////////////
 ///////////////////   GAIN	 ////////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0x70, 0x70}, //70 //80//global gain
-	{GC0310_8BIT, 0x71, 0x20}, // pregain gain
-	{GC0310_8BIT, 0x72, 0x40}, // post gain
-	{GC0310_8BIT, 0x5a, 0x84}, //84//analog gain 0
-	{GC0310_8BIT, 0x5b, 0xc9}, //c9
-	{GC0310_8BIT, 0x5c, 0xed}, //ed//not use pga gain highest level
-	{GC0310_8BIT, 0x77, 0x40}, // R gain 0x74 //awb gain
-	{GC0310_8BIT, 0x78, 0x40}, // G gain
-	{GC0310_8BIT, 0x79, 0x40}, // B gain 0x5f
-
-	{GC0310_8BIT, 0x48, 0x00},
-	{GC0310_8BIT, 0xfe, 0x01},
-	{GC0310_8BIT, 0x0a, 0x45}, //[7]col gain mode
-
-	{GC0310_8BIT, 0x3e, 0x40},
-	{GC0310_8BIT, 0x3f, 0x5c},
-	{GC0310_8BIT, 0x40, 0x7b},
-	{GC0310_8BIT, 0x41, 0xbd},
-	{GC0310_8BIT, 0x42, 0xf6},
-	{GC0310_8BIT, 0x43, 0x63},
-	{GC0310_8BIT, 0x03, 0x60},
-	{GC0310_8BIT, 0x44, 0x03},
+	{ 0x70, 0x70 }, /* 70 //80//global gain */
+	{ 0x71, 0x20 }, /* pregain gain */
+	{ 0x72, 0x40 }, /* post gain */
+	{ 0x5a, 0x84 }, /* 84//analog gain 0  */
+	{ 0x5b, 0xc9 }, /* c9 */
+	{ 0x5c, 0xed }, /* ed//not use pga gain highest level */
+	{ 0x77, 0x40 }, /* R gain 0x74 //awb gain */
+	{ 0x78, 0x40 }, /* G gain */
+	{ 0x79, 0x40 }, /* B gain 0x5f */
+
+	{ 0x48, 0x00 },
+	{ 0xfe, 0x01 },
+	{ 0x0a, 0x45 }, /* [7]col gain mode */
+
+	{ 0x3e, 0x40 },
+	{ 0x3f, 0x5c },
+	{ 0x40, 0x7b },
+	{ 0x41, 0xbd },
+	{ 0x42, 0xf6 },
+	{ 0x43, 0x63 },
+	{ 0x03, 0x60 },
+	{ 0x44, 0x03 },
 
 /////////////////////////////////////////////////
 /////////////////	dark sun   //////////////////
 /////////////////////////////////////////////////
-	{GC0310_8BIT, 0xfe, 0x01},
-	{GC0310_8BIT, 0x45, 0xa4}, // 0xf7
-	{GC0310_8BIT, 0x46, 0xf0}, // 0xff //f0//sun value th
-	{GC0310_8BIT, 0x48, 0x03}, //sun mode
-	{GC0310_8BIT, 0x4f, 0x60}, //sun_clamp
-	{GC0310_8BIT, 0xfe, 0x00},
+	{ 0xfe, 0x01 },
+	{ 0x45, 0xa4 }, /* 0xf7 */
+	{ 0x46, 0xf0 }, /* 0xff //f0//sun value th */
+	{ 0x48, 0x03 }, /* sun mode */
+	{ 0x4f, 0x60 }, /* sun_clamp */
+	{ 0xfe, 0x00 },
 };
 
 static struct gc0310_reg const gc0310_VGA_30fps[] = {
-	{GC0310_8BIT, 0xfe, 0x00},
-	{GC0310_8BIT, 0x0d, 0x01}, //height
-	{GC0310_8BIT, 0x0e, 0xf2}, // 0xf7 //height
-	{GC0310_8BIT, 0x0f, 0x02}, //width
-	{GC0310_8BIT, 0x10, 0x94}, // 0xa0 //height
-
-	{GC0310_8BIT, 0x50, 0x01}, //crop enable
-	{GC0310_8BIT, 0x51, 0x00},
-	{GC0310_8BIT, 0x52, 0x00},
-	{GC0310_8BIT, 0x53, 0x00},
-	{GC0310_8BIT, 0x54, 0x01},
-	{GC0310_8BIT, 0x55, 0x01}, //crop window height
-	{GC0310_8BIT, 0x56, 0xf0},
-	{GC0310_8BIT, 0x57, 0x02}, //crop window width
-	{GC0310_8BIT, 0x58, 0x90},
-
-	{GC0310_8BIT, 0xfe, 0x03},
-	{GC0310_8BIT, 0x12, 0x90},//00 //04 //00 //04//00 //LWC[7:0]  //
-	{GC0310_8BIT, 0x13, 0x02},//05 //05 //LWC[15:8]
-
-	{GC0310_8BIT, 0xfe, 0x00},
+	{ 0xfe, 0x00 },
+	{ 0x0d, 0x01 }, /* height */
+	{ 0x0e, 0xf2 }, /* 0xf7 //height */
+	{ 0x0f, 0x02 }, /* width */
+	{ 0x10, 0x94 }, /* 0xa0 //height */
+
+	{ 0x50, 0x01 }, /* crop enable */
+	{ 0x51, 0x00 },
+	{ 0x52, 0x00 },
+	{ 0x53, 0x00 },
+	{ 0x54, 0x01 },
+	{ 0x55, 0x01 }, /* crop window height */
+	{ 0x56, 0xf0 },
+	{ 0x57, 0x02 }, /* crop window width */
+	{ 0x58, 0x90 },
+
+	{ 0xfe, 0x03 },
+	{ 0x12, 0x90 }, /* 00 //04 //00 //04//00 //LWC[7:0]  */
+	{ 0x13, 0x02 }, /* 05 //05 //LWC[15:8] */
+
+	{ 0xfe, 0x00 },
 };
 
 static struct gc0310_resolution gc0310_res_preview[] = {
