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yaml
---
r: 76335
b: refs/heads/master
c: 6235168
h: refs/heads/master
i:
  76333: 61b842a
  76331: fbfb914
  76327: 67c9ced
  76319: 6cd36a1
v: v3
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Hans Verkuil authored and Mauro Carvalho Chehab committed Jan 25, 2008
1 parent c18637a commit 2d62d93
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Showing 2 changed files with 14 additions and 59 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2b14e0314631bac6388c4501f3103ab5af22c0f0
refs/heads/master: 6235168db8ed96c587e566be0dd72a77ca212693
71 changes: 13 additions & 58 deletions trunk/drivers/media/video/tlv320aic23b.c
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
#include <linux/i2c-id.h>
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-i2c-drv-legacy.h>

MODULE_DESCRIPTION("tlv320aic23b driver");
MODULE_AUTHOR("Scott Alfter, Ulf Eklund, Hans Verkuil");
Expand Down Expand Up @@ -126,31 +127,18 @@ static int tlv320aic23b_command(struct i2c_client *client, unsigned int cmd,
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
*/

static struct i2c_driver i2c_driver;

static int tlv320aic23b_attach(struct i2c_adapter *adapter, int address, int kind)
static int tlv320aic23b_probe(struct i2c_client *client)
{
struct i2c_client *client;
struct tlv320aic23b_state *state;

/* 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;
snprintf(client->name, sizeof(client->name) - 1, "tlv320aic23b");

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 tlv320aic23b_state), GFP_KERNEL);
if (state == NULL) {
kfree(client);
return -ENOMEM;
}
state->muted = 0;
Expand All @@ -163,55 +151,22 @@ static int tlv320aic23b_attach(struct i2c_adapter *adapter, int address, int kin
tlv320aic23b_write(client, 0, 0x119); /* set gain on both channels to +3.0 dB */
tlv320aic23b_write(client, 8, 0x000); /* set sample rate to 48 kHz */
tlv320aic23b_write(client, 9, 0x001); /* activate digital interface */

i2c_attach_client(client);

return 0;
}

static int tlv320aic23b_probe(struct i2c_adapter *adapter)
static int tlv320aic23b_remove(struct i2c_client *client)
{
if (adapter->class & I2C_CLASS_TV_ANALOG)
return i2c_probe(adapter, &addr_data, tlv320aic23b_attach);
return 0;
}

static int tlv320aic23b_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 = "tlv320aic23b",
},
.id = I2C_DRIVERID_TLV320AIC23B,
.attach_adapter = tlv320aic23b_probe,
.detach_client = tlv320aic23b_detach,
.command = tlv320aic23b_command,
};


static int __init tlv320aic23b_init_module(void)
{
return i2c_add_driver(&i2c_driver);
}

static void __exit tlv320aic23b_cleanup_module(void)
{
i2c_del_driver(&i2c_driver);
}

module_init(tlv320aic23b_init_module);
module_exit(tlv320aic23b_cleanup_module);
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "tlv320aic23b",
.driverid = I2C_DRIVERID_TLV320AIC23B,
.command = tlv320aic23b_command,
.probe = tlv320aic23b_probe,
.remove = tlv320aic23b_remove,
};

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