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>

diff --git a/drivers/media/video/tlv320aic23b.c b/drivers/media/video/tlv320aic23b.c
index 76b2e96429d90f22bb2d0ad6ad188a01a21023aa..0282f385bbdfe363f317940b3c8b9b128241ad48 100644 (file)
--- 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,
+};