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authorHans Verkuil <hverkuil@xs4all.nl>2007-09-14 12:03:17 +0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-26 00:01:27 +0300
commit6235168db8ed96c587e566be0dd72a77ca212693 (patch)
treea81902aab6e6b08dd28bc15ac617eb39b848b701 /drivers/media/video/tlv320aic23b.c
parent2b14e0314631bac6388c4501f3103ab5af22c0f0 (diff)
downloadlinux-6235168db8ed96c587e566be0dd72a77ca212693.tar.xz
V4L/DVB (6464): tlv320aic23b: convert to bus-based I2C API
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/tlv320aic23b.c')
-rw-r--r--drivers/media/video/tlv320aic23b.c71
1 files changed, 13 insertions, 58 deletions
diff --git a/drivers/media/video/tlv320aic23b.c b/drivers/media/video/tlv320aic23b.c
index 76b2e96429d9..0282f385bbdf 100644
--- a/drivers/media/video/tlv320aic23b.c
+++ b/drivers/media/video/tlv320aic23b.c
@@ -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");
@@ -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;
@@ -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,
+};