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V4L/DVB (6457): msp3400: convert to bus-based I2C API

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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 11:28:59 -03:00 committed by Mauro Carvalho Chehab
parent 77566dd724
commit 79518dafd5
1 changed files with 11 additions and 58 deletions
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69
drivers/media/video/msp3400-driver.c
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@ -53,6 +53,7 @@
#include <linux/videodev.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-i2c-drv-legacy.h>
#include <media/tvaudio.h>
#include <media/msp3400.h>
#include <linux/kthread.h>
@ -783,7 +784,6 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
static int msp_suspend(struct i2c_client *client, pm_message_t state)
{
v4l_dbg(1, msp_debug, client, "suspend\n");
msp_reset(client);
return 0;
@ -791,7 +791,6 @@ static int msp_suspend(struct i2c_client *client, pm_message_t state)
static int msp_resume(struct i2c_client *client)
{
v4l_dbg(1, msp_debug, client, "resume\n");
msp_wake_thread(client);
return 0;
@ -799,11 +798,8 @@ static int msp_resume(struct i2c_client *client)
/* ----------------------------------------------------------------------- */
static struct i2c_driver i2c_driver;
static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
static int msp_probe(struct i2c_client *client)
{
struct i2c_client *client;
struct msp_state *state;
int (*thread_func)(void *data) = NULL;
int msp_hard;
@ -812,24 +808,15 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
int msp_product, msp_prod_hi, msp_prod_lo;
int msp_rom;
client = kzalloc(sizeof(*client), GFP_KERNEL);
if (!client)
return -ENOMEM;
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver;
snprintf(client->name, sizeof(client->name) - 1, "msp3400");
if (msp_reset(client) == -1) {
v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
kfree(client);
return 0;
}
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state) {
kfree(client);
return -ENOMEM;
}
@ -857,7 +844,6 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
kfree(state);
kfree(client);
return 0;
}
@ -919,7 +905,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
}
/* hello world :-) */
v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, address << 1, adapter->name);
v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, client->addr << 1, client->adapter->name);
v4l_info(client, "%s ", client->name);
if (state->has_nicam && state->has_radio)
printk("supports nicam and radio, ");
@ -954,24 +940,12 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
v4l_warn(client, "kernel_thread() failed\n");
msp_wake_thread(client);
}
/* done */
i2c_attach_client(client);
return 0;
}
static int msp_probe(struct i2c_adapter *adapter)
{
if (adapter->class & I2C_CLASS_TV_ANALOG)
return i2c_probe(adapter, &addr_data, msp_attach);
return 0;
}
static int msp_detach(struct i2c_client *client)
static int msp_remove(struct i2c_client *client)
{
struct msp_state *state = i2c_get_clientdata(client);
int err;
/* shutdown control thread */
if (state->kthread) {
@ -980,43 +954,22 @@ static int msp_detach(struct i2c_client *client)
}
msp_reset(client);
err = i2c_detach_client(client);
if (err) {
return err;
}
kfree(state);
kfree(client);
return 0;
}
/* ----------------------------------------------------------------------- */
/* i2c implementation */
static struct i2c_driver i2c_driver = {
.id = I2C_DRIVERID_MSP3400,
.attach_adapter = msp_probe,
.detach_client = msp_detach,
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "msp3400",
.driverid = I2C_DRIVERID_MSP3400,
.command = msp_command,
.probe = msp_probe,
.remove = msp_remove,
.suspend = msp_suspend,
.resume = msp_resume,
.command = msp_command,
.driver = {
.name = "msp3400",
},
.resume = msp_resume,
};
static int __init msp3400_init_module(void)
{
return i2c_add_driver(&i2c_driver);
}
static void __exit msp3400_cleanup_module(void)
{
i2c_del_driver(&i2c_driver);
}
module_init(msp3400_init_module);
module_exit(msp3400_cleanup_module);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.