[media] constify i2c_algorithm structures

These i2c_algorithm structures are only stored in the alg field of an
i2c_adapter structure, which is declared as const. This declare the
structures as const as well.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct i2c_algorithm i@p = { ... };

@ok@
identifier r.i;
struct i2c_adapter e;
position p;
@@
e.alg = &i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct i2c_algorithm i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/pci/cx23885/cx23885-i2c.c

···
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm cx23885_i2c_algo_template = {
+static const struct i2c_algorithm cx23885_i2c_algo_template = {
 	.master_xfer	= i2c_xfer,
 	.functionality	= cx23885_functionality,
 };

drivers/media/pci/cx25821/cx25821-i2c.c

···
 		I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA;
 }
 
-static struct i2c_algorithm cx25821_i2c_algo_template = {
+static const struct i2c_algorithm cx25821_i2c_algo_template = {
 	.master_xfer = i2c_xfer,
 	.functionality = cx25821_functionality,
 #ifdef NEED_ALGO_CONTROL

drivers/media/pci/ivtv/ivtv-i2c.c

···
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm ivtv_algo = {
+static const struct i2c_algorithm ivtv_algo = {
 	.master_xfer   = ivtv_xfer,
 	.functionality = ivtv_functionality,
 };

drivers/media/pci/saa7134/saa7134-i2c.c

···
 	return I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm saa7134_algo = {
+static const struct i2c_algorithm saa7134_algo = {
 	.master_xfer   = saa7134_i2c_xfer,
 	.functionality = functionality,
 };

drivers/media/pci/saa7164/saa7164-i2c.c

···
 	return I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm saa7164_i2c_algo_template = {
+static const struct i2c_algorithm saa7164_i2c_algo_template = {
 	.master_xfer	= i2c_xfer,
 	.functionality	= saa7164_functionality,
 };

drivers/media/radio/si4713/radio-usb-si4713.c

···
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm si4713_algo = {
+static const struct i2c_algorithm si4713_algo = {
 	.master_xfer   = si4713_transfer,
 	.functionality = si4713_functionality,
 };

drivers/media/usb/cx231xx/cx231xx-i2c.c

···
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm cx231xx_algo = {
+static const struct i2c_algorithm cx231xx_algo = {
 	.master_xfer = cx231xx_i2c_xfer,
 	.functionality = functionality,
 };

drivers/media/usb/em28xx/em28xx-i2c.c

···
 	return 0;
 }
 
-static struct i2c_algorithm em28xx_algo = {
+static const struct i2c_algorithm em28xx_algo = {
 	.master_xfer   = em28xx_i2c_xfer,
 	.functionality = functionality,
 };

drivers/media/usb/go7007/go7007-i2c.c

···
 	return I2C_FUNC_SMBUS_BYTE_DATA;
 }
 
-static struct i2c_algorithm go7007_algo = {
+static const struct i2c_algorithm go7007_algo = {
 	.smbus_xfer	= go7007_smbus_xfer,
 	.master_xfer	= go7007_i2c_master_xfer,
 	.functionality	= go7007_functionality,

drivers/media/usb/go7007/go7007-usb.c

···
 	return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 }
 
-static struct i2c_algorithm go7007_usb_algo = {
+static const struct i2c_algorithm go7007_usb_algo = {
 	.master_xfer	= go7007_usb_i2c_master_xfer,
 	.functionality	= go7007_usb_functionality,
 };

drivers/media/usb/hdpvr/hdpvr-i2c.c

···
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm hdpvr_algo = {
+static const struct i2c_algorithm hdpvr_algo = {
 	.master_xfer   = hdpvr_transfer,
 	.functionality = hdpvr_functionality,
 };

drivers/media/usb/stk1160/stk1160-i2c.c

···
 	return I2C_FUNC_SMBUS_EMUL;
 }
 
-static struct i2c_algorithm algo = {
+static const struct i2c_algorithm algo = {
 	.master_xfer   = stk1160_i2c_xfer,
 	.functionality = functionality,
 };