AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

V4L/DVB (6463): upd64031a: convert to bus-based I2C API

Browse Source 
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-09-14 04:58:31 -03:00 committed by Mauro Carvalho Chehab
parent 266669776c
commit 2b14e03146
1 changed files with 12 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
drivers/media/video/upd64031a.c
View File

@ -28,6 +28,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h>
#include <media/upd64031a.h>
// --------------------- read registers functions define -----------------------
@ -193,32 +194,18 @@ static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *
/* i2c implementation */
static struct i2c_driver i2c_driver;
static int upd64031a_attach(struct i2c_adapter *adapter, int address, int kind)
static int upd64031a_probe(struct i2c_client *client)
{
struct i2c_client *client;
struct upd64031a_state *state;
int i;
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 == NULL) {
return -ENOMEM;
}
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver;
snprintf(client->name, sizeof(client->name) - 1, "uPD64031A");
v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name);
state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
if (state == NULL) {
kfree(client);
return -ENOMEM;
}
i2c_set_clientdata(client, state);
@ -229,54 +216,22 @@ static int upd64031a_attach(struct i2c_adapter *adapter, int address, int kind)
for (i = 0; i < TOT_REGS; i++) {
upd64031a_write(client, i, state->regs[i]);
}
i2c_attach_client(client);
return 0;
}
static int upd64031a_probe(struct i2c_adapter *adapter)
static int upd64031a_remove(struct i2c_client *client)
{
if (adapter->class & I2C_CLASS_TV_ANALOG)
return i2c_probe(adapter, &addr_data, upd64031a_attach);
return 0;
}
static int upd64031a_detach(struct i2c_client *client)
{
int err;
err = i2c_detach_client(client);
if (err)
return err;
kfree(client);
kfree(i2c_get_clientdata(client));
return 0;
}
/* ----------------------------------------------------------------------- */
/* i2c implementation */
static struct i2c_driver i2c_driver = {
.driver = {
.name = "upd64031a",
},
.id = I2C_DRIVERID_UPD64031A,
.attach_adapter = upd64031a_probe,
.detach_client = upd64031a_detach,
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "upd64031a",
.driverid = I2C_DRIVERID_UPD64031A,
.command = upd64031a_command,
.probe = upd64031a_probe,
.remove = upd64031a_remove,
};
static int __init upd64031a_init_module(void)
{
return i2c_add_driver(&i2c_driver);
}
static void __exit upd64031a_exit_module(void)
{
i2c_del_driver(&i2c_driver);
}
module_init(upd64031a_init_module);
module_exit(upd64031a_exit_module);