V4L/DVB (12703): gspca - sn9c20x: Reduces size of object

Use s16 instead of int where possible. Use struct instead of arrays Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Brian Johnson <brijohn@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2024-12-25 13:43:55 +08:00 · 2009-09-02 01:12:13 -03:00 · 2009-09-02 01:12:13 -03:00 · 58aa68c2fb
commit 58aa68c2fb
parent e143047129
1 changed files with 56 additions and 45 deletions
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@ -94,6 +94,16 @@ struct sd {
 #endif
 };

+struct i2c_reg_u8 {
+	u8 reg;
+	u8 val;
+};
+
+struct i2c_reg_u16 {
+	u8 reg;
+	u16 val;
+};
+
 static int sd_setbrightness(struct gspca_dev *gspca_dev, s32 val);
 static int sd_getbrightness(struct gspca_dev *gspca_dev, s32 *val);
 static int sd_setcontrast(struct gspca_dev *gspca_dev, s32 val);
@ -403,7 +413,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
 		.priv = 3 | MODE_RAW | MODE_SXGA},
 };

-static const int hsv_red_x[] = {
+static const s16 hsv_red_x[] = {
 	41,  44,  46,  48,  50,  52,  54,  56,
 	58,  60,  62,  64,  66,  68,  70,  72,
 	74,  76,  78,  80,  81,  83,  85,  87,
@ -451,7 +461,7 @@ static const int hsv_red_x[] = {
 	24,  26,  28,  30,  33,  35,  37,  39, 41
 };

-static const int hsv_red_y[] = {
+static const s16 hsv_red_y[] = {
 	82,  80,  78,  76,  74,  73,  71,  69,
 	67,  65,  63,  61,  58,  56,  54,  52,
 	50,  48,  46,  44,  41,  39,  37,  35,
@ -499,7 +509,7 @@ static const int hsv_red_y[] = {
 	96, 94, 92, 91, 89, 87, 85, 84, 82
 };

-static const int hsv_green_x[] = {
+static const s16 hsv_green_x[] = {
 	-124, -124, -125, -125, -125, -125, -125, -125,
 	-125, -126, -126, -125, -125, -125, -125, -125,
 	-125, -124, -124, -124, -123, -123, -122, -122,
@ -547,7 +557,7 @@ static const int hsv_green_x[] = {
 	-120, -120, -121, -122, -122, -123, -123, -124, -124
 };

-static const int hsv_green_y[] = {
+static const s16 hsv_green_y[] = {
 	-100, -99, -98, -97, -95, -94, -93, -91,
 	-90, -89, -87, -86, -84, -83, -81, -80,
 	-78, -76, -75, -73, -71, -70, -68, -66,
@ -595,7 +605,7 @@ static const int hsv_green_y[] = {
 	-109, -108, -107, -106, -105, -104, -103, -102, -100
 };

-static const int hsv_blue_x[] = {
+static const s16 hsv_blue_x[] = {
 	112, 113, 114, 114, 115, 116, 117, 117,
 	118, 118, 119, 119, 120, 120, 120, 121,
 	121, 121, 122, 122, 122, 122, 122, 122,
@ -643,7 +653,7 @@ static const int hsv_blue_x[] = {
 	104, 105, 106, 107, 108, 109, 110, 111, 112
 };

-static const int hsv_blue_y[] = {
+static const s16 hsv_blue_y[] = {
 	-11, -13, -15, -17, -19, -21, -23, -25,
 	-27, -29, -31, -33, -35, -37, -39, -41,
 	-43, -45, -46, -48, -50, -52, -54, -55,
@ -792,7 +802,7 @@ static u8 hv7131r_gain[] = {
 	0x78 /* 8x */
 };

-static u8 soi968_init[][2] = {
+static struct i2c_reg_u8 soi968_init[] = {
 	{0x12, 0x80}, {0x0c, 0x00}, {0x0f, 0x1f},
 	{0x11, 0x80}, {0x38, 0x52}, {0x1e, 0x00},
 	{0x33, 0x08}, {0x35, 0x8c}, {0x36, 0x0c},
@ -806,7 +816,7 @@ static u8 soi968_init[][2] = {
 	{0x00, 0x00}, {0x01, 0x80}, {0x02, 0x80},
 };

-static u8 ov7660_init[][2] = {
+static struct i2c_reg_u8 ov7660_init[] = {
 	{0x0e, 0x80}, {0x0d, 0x08}, {0x0f, 0xc3},
 	{0x04, 0xc3}, {0x10, 0x40}, {0x11, 0x40},
 	{0x12, 0x05}, {0x13, 0xba}, {0x14, 0x2a},
@ -815,7 +825,7 @@ static u8 ov7660_init[][2] = {
 	{0x2e, 0x0b}, {0x01, 0x78}, {0x02, 0x50},
 };

-static u8 ov7670_init[][2] = {
+static struct i2c_reg_u8 ov7670_init[] = {
 	{0x12, 0x80}, {0x11, 0x80}, {0x3a, 0x04}, {0x12, 0x01},
 	{0x32, 0xb6}, {0x03, 0x0a}, {0x0c, 0x00}, {0x3e, 0x00},
 	{0x70, 0x3a}, {0x71, 0x35}, {0x72, 0x11}, {0x73, 0xf0},
@ -872,7 +882,7 @@ static u8 ov7670_init[][2] = {
 	{0x93, 0x00},
 };

-static u8 ov9650_init[][2] = {
+static struct i2c_reg_u8 ov9650_init[] = {
 	{0x12, 0x80}, {0x00, 0x00}, {0x01, 0x78},
 	{0x02, 0x78}, {0x03, 0x36}, {0x04, 0x03},
 	{0x05, 0x00}, {0x06, 0x00}, {0x08, 0x00},
@ -902,7 +912,7 @@ static u8 ov9650_init[][2] = {
 	{0xaa, 0x92}, {0xab, 0x0a},
 };

-static u8 ov9655_init[][2] = {
+static struct i2c_reg_u8 ov9655_init[] = {
 	{0x12, 0x80}, {0x12, 0x01}, {0x0d, 0x00}, {0x0e, 0x61},
 	{0x11, 0x80}, {0x13, 0xba}, {0x14, 0x2e}, {0x16, 0x24},
 	{0x1e, 0x04}, {0x1e, 0x04}, {0x1e, 0x04}, {0x27, 0x08},
@ -939,7 +949,7 @@ static u8 ov9655_init[][2] = {
 	{0x00, 0x03}, {0x00, 0x0a}, {0x00, 0x10}, {0x00, 0x13},
 };

-static u16 mt9v112_init[][2] = {
+static struct i2c_reg_u16 mt9v112_init[] = {
 	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0020},
 	{0x34, 0xc019}, {0x0a, 0x0011}, {0x0b, 0x000b},
 	{0x20, 0x0703}, {0x35, 0x2022}, {0xf0, 0x0001},
@ -958,7 +968,7 @@ static u16 mt9v112_init[][2] = {
 	{0x2c, 0x00ae}, {0x2d, 0x00ae}, {0x2e, 0x00ae},
 };

-static u16 mt9v111_init[][2] = {
+static struct i2c_reg_u16 mt9v111_init[] = {
 	{0x01, 0x0004}, {0x0d, 0x0001}, {0x0d, 0x0000},
 	{0x01, 0x0001}, {0x02, 0x0016}, {0x03, 0x01e1},
 	{0x04, 0x0281}, {0x05, 0x0004}, {0x07, 0x3002},
@ -985,7 +995,7 @@ static u16 mt9v111_init[][2] = {
 	{0x0e, 0x0008},	{0x06, 0x002d},	{0x05, 0x0004},
 };

-static u16 mt9v011_init[][2] = {
+static struct i2c_reg_u16 mt9v011_init[] = {
 	{0x07, 0x0002},	{0x0d, 0x0001},	{0x0d, 0x0000},
 	{0x01, 0x0008},	{0x02, 0x0016},	{0x03, 0x01e1},
 	{0x04, 0x0281},	{0x05, 0x0083},	{0x06, 0x0006},
@ -1012,7 +1022,7 @@ static u16 mt9v011_init[][2] = {
 	{0x06, 0x0029},	{0x05, 0x0009},
 };

-static u16 mt9m001_init[][2] = {
+static struct i2c_reg_u16 mt9m001_init[] = {
 	{0x0d, 0x0001}, {0x0d, 0x0000}, {0x01, 0x000e},
 	{0x02, 0x0014}, {0x03, 0x03c1}, {0x04, 0x0501},
 	{0x05, 0x0083}, {0x06, 0x0006}, {0x0d, 0x0002},
@ -1025,14 +1035,14 @@ static u16 mt9m001_init[][2] = {
 	{0x2e, 0x0029}, {0x07, 0x0002},
 };

-static u16 mt9m111_init[][2] = {
+static struct i2c_reg_u16 mt9m111_init[] = {
 	{0xf0, 0x0000}, {0x0d, 0x0008}, {0x0d, 0x0009},
 	{0x0d, 0x0008}, {0xf0, 0x0001}, {0x3a, 0x4300},
 	{0x9b, 0x4300}, {0xa1, 0x0280}, {0xa4, 0x0200},
 	{0x06, 0x308e}, {0xf0, 0x0000},
 };

-static u8 hv7131r_init[][2] = {
+static struct i2c_reg_u8 hv7131r_init[] = {
 	{0x02, 0x08}, {0x02, 0x00}, {0x01, 0x08},
 	{0x02, 0x00}, {0x20, 0x00}, {0x21, 0xd0},
 	{0x22, 0x00}, {0x23, 0x09}, {0x01, 0x08},
@ -1043,7 +1053,7 @@ static u8 hv7131r_init[][2] = {
 	{0x23, 0x09}, {0x01, 0x08},
 };

-int reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
+static int reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
 {
 	struct usb_device *dev = gspca_dev->dev;
 	int result;
@ -1062,7 +1072,8 @@ int reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
 	return 0;
 }

-int reg_w(struct gspca_dev *gspca_dev, u16 reg, const u8 *buffer, int length)
+static int reg_w(struct gspca_dev *gspca_dev, u16 reg,
+		 const u8 *buffer, int length)
 {
 	struct usb_device *dev = gspca_dev->dev;
 	int result;
@ -1082,13 +1093,13 @@ int reg_w(struct gspca_dev *gspca_dev, u16 reg, const u8 *buffer, int length)
 	return 0;
 }

-int reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value)
+static int reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value)
 {
 	u8 data[1] = {value};
 	return reg_w(gspca_dev, reg, data, 1);
 }

-int i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
+static int i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
 {
 	int i;
 	reg_w(gspca_dev, 0x10c0, buffer, 8);
@ -1104,7 +1115,7 @@ int i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
 	return -EIO;
 }

-int i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
+static int i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 {
 	struct sd *sd = (struct sd *) gspca_dev;

@ -1126,7 +1137,7 @@ int i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 	return i2c_w(gspca_dev, row);
 }

-int i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val)
+static int i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
 	u8 row[8];
@ -1203,8 +1214,8 @@ static int ov9650_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(ov9650_init); i++) {
-		if (i2c_w1(gspca_dev, ov9650_init[i][0],
-				ov9650_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, ov9650_init[i].reg,
+				ov9650_init[i].val) < 0) {
 			err("OV9650 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1220,8 +1231,8 @@ static int ov9655_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(ov9655_init); i++) {
-		if (i2c_w1(gspca_dev, ov9655_init[i][0],
-				ov9655_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, ov9655_init[i].reg,
+				ov9655_init[i].val) < 0) {
 			err("OV9655 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1239,8 +1250,8 @@ static int soi968_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(soi968_init); i++) {
-		if (i2c_w1(gspca_dev, soi968_init[i][0],
-				soi968_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, soi968_init[i].reg,
+				soi968_init[i].val) < 0) {
 			err("SOI968 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1258,8 +1269,8 @@ static int ov7660_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(ov7660_init); i++) {
-		if (i2c_w1(gspca_dev, ov7660_init[i][0],
-				ov7660_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, ov7660_init[i].reg,
+				ov7660_init[i].val) < 0) {
 			err("OV7660 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1277,8 +1288,8 @@ static int ov7670_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(ov7670_init); i++) {
-		if (i2c_w1(gspca_dev, ov7670_init[i][0],
-				ov7670_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, ov7670_init[i].reg,
+				ov7670_init[i].val) < 0) {
 			err("OV7670 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1301,8 +1312,8 @@ static int mt9v_init_sensor(struct gspca_dev *gspca_dev)
 	ret = i2c_r2(gspca_dev, 0xff, &value);
 	if ((ret == 0) && (value == 0x8243)) {
 		for (i = 0; i < ARRAY_SIZE(mt9v011_init); i++) {
-			if (i2c_w2(gspca_dev, mt9v011_init[i][0],
-					mt9v011_init[i][1]) < 0) {
+			if (i2c_w2(gspca_dev, mt9v011_init[i].reg,
+					mt9v011_init[i].val) < 0) {
 				err("MT9V011 sensor initialization failed");
 				return -ENODEV;
 			}
@ -1319,8 +1330,8 @@ static int mt9v_init_sensor(struct gspca_dev *gspca_dev)
 	ret = i2c_r2(gspca_dev, 0xff, &value);
 	if ((ret == 0) && (value == 0x823a)) {
 		for (i = 0; i < ARRAY_SIZE(mt9v111_init); i++) {
-			if (i2c_w2(gspca_dev, mt9v111_init[i][0],
-					mt9v111_init[i][1]) < 0) {
+			if (i2c_w2(gspca_dev, mt9v111_init[i].reg,
+					mt9v111_init[i].val) < 0) {
 				err("MT9V111 sensor initialization failed");
 				return -ENODEV;
 			}
@ -1341,8 +1352,8 @@ static int mt9v_init_sensor(struct gspca_dev *gspca_dev)
 	ret = i2c_r2(gspca_dev, 0x00, &value);
 	if ((ret == 0) && (value == 0x1229)) {
 		for (i = 0; i < ARRAY_SIZE(mt9v112_init); i++) {
-			if (i2c_w2(gspca_dev, mt9v112_init[i][0],
-					mt9v112_init[i][1]) < 0) {
+			if (i2c_w2(gspca_dev, mt9v112_init[i].reg,
+					mt9v112_init[i].val) < 0) {
 				err("MT9V112 sensor initialization failed");
 				return -ENODEV;
 			}
@ -1362,8 +1373,8 @@ static int mt9m111_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;
 	int i;
 	for (i = 0; i < ARRAY_SIZE(mt9m111_init); i++) {
-		if (i2c_w2(gspca_dev, mt9m111_init[i][0],
-				mt9m111_init[i][1]) < 0) {
+		if (i2c_w2(gspca_dev, mt9m111_init[i].reg,
+				mt9m111_init[i].val) < 0) {
 			err("MT9M111 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1378,8 +1389,8 @@ static int mt9m001_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;
 	int i;
 	for (i = 0; i < ARRAY_SIZE(mt9m001_init); i++) {
-		if (i2c_w2(gspca_dev, mt9m001_init[i][0],
-				mt9m001_init[i][1]) < 0) {
+		if (i2c_w2(gspca_dev, mt9m001_init[i].reg,
+				mt9m001_init[i].val) < 0) {
 			err("MT9M001 sensor initialization failed");
 			return -ENODEV;
 		}
@ -1397,8 +1408,8 @@ static int hv7131r_init_sensor(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;

 	for (i = 0; i < ARRAY_SIZE(hv7131r_init); i++) {
-		if (i2c_w1(gspca_dev, hv7131r_init[i][0],
-				hv7131r_init[i][1]) < 0) {
+		if (i2c_w1(gspca_dev, hv7131r_init[i].reg,
+				hv7131r_init[i].val) < 0) {
 			err("HV7131R Sensor initialization failed");
 			return -ENODEV;
 		}