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V4L/DVB (6455): saa7115: convert to bus-based I2C API 

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-09-13 11:19:39 -03:00 committed by Mauro Carvalho Chehab
parent 45eea27624
commit fbaa3d0db4
1 changed files with 19 additions and 63 deletions
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82
drivers/media/video/saa7115.c
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@ -46,6 +46,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h>
#include <media/saa7115.h>
#include <asm/div64.h>
@ -1230,7 +1231,7 @@ static void saa711x_decode_vbi_line(struct i2c_client *client,
/* ============ SAA7115 AUDIO settings (end) ============= */
static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *arg)
static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct saa711x_state *state = i2c_get_clientdata(client);
@ -1449,26 +1450,17 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar
/* ----------------------------------------------------------------------- */
static struct i2c_driver i2c_driver_saa711x;
static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
static int saa7115_probe(struct i2c_client *client)
{
struct i2c_client *client;
struct saa711x_state *state;
int i;
char name[17];
u8 chip_id;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return 0;
client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == 0)
return -ENOMEM;
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver_saa711x;
snprintf(client->name, sizeof(client->name) - 1, "saa7115");
for (i = 0; i < 0x0f; i++) {
@ -1485,18 +1477,16 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
/* Check whether this chip is part of the saa711x series */
if (memcmp(name, "1f711", 5)) {
v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n",
address << 1, name);
kfree(client);
client->addr << 1, name);
return 0;
}
snprintf(client->name, sizeof(client->name) - 1, "saa711%d",chip_id);
v4l_info(client, "saa711%d found (%s) @ 0x%x (%s)\n", chip_id, name, address << 1, adapter->name);
v4l_info(client, "saa711%d found (%s) @ 0x%x (%s)\n", chip_id, name, client->addr << 1, client->adapter->name);
state = kzalloc(sizeof(struct saa711x_state), GFP_KERNEL);
i2c_set_clientdata(client, state);
if (state == NULL) {
kfree(client);
return -ENOMEM;
}
state->input = -1;
@ -1549,59 +1539,25 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
saa711x_writeregs(client, saa7115_init_misc);
saa711x_set_v4lstd(client, V4L2_STD_NTSC);
i2c_attach_client(client);
v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
saa711x_read(client, R_1E_STATUS_BYTE_1_VD_DEC), saa711x_read(client, R_1F_STATUS_BYTE_2_VD_DEC));
return 0;
}
static int saa711x_probe(struct i2c_adapter *adapter)
{
if (adapter->class & I2C_CLASS_TV_ANALOG || adapter->class & I2C_CLASS_TV_DIGITAL)
return i2c_probe(adapter, &addr_data, &saa711x_attach);
return 0;
}
static int saa711x_detach(struct i2c_client *client)
{
struct saa711x_state *state = i2c_get_clientdata(client);
int err;
err = i2c_detach_client(client);
if (err) {
return err;
}
kfree(state);
kfree(client);
return 0;
}
/* ----------------------------------------------------------------------- */
/* i2c implementation */
static struct i2c_driver i2c_driver_saa711x = {
.driver = {
.name = "saa7115",
},
.id = I2C_DRIVERID_SAA711X,
.attach_adapter = saa711x_probe,
.detach_client = saa711x_detach,
.command = saa711x_command,
static int saa7115_remove(struct i2c_client *client)
{
kfree(i2c_get_clientdata(client));
return 0;
}
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "saa7115",
.driverid = I2C_DRIVERID_SAA711X,
.command = saa7115_command,
.probe = saa7115_probe,
.remove = saa7115_remove,
.legacy_class = I2C_CLASS_TV_ANALOG | I2C_CLASS_TV_DIGITAL,
};
static int __init saa711x_init_module(void)
{
return i2c_add_driver(&i2c_driver_saa711x);
}
static void __exit saa711x_cleanup_module(void)
{
i2c_del_driver(&i2c_driver_saa711x);
}
module_init(saa711x_init_module);
module_exit(saa711x_cleanup_module);