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>

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,
+};