V4L/DVB (6454): vp27smpx: convert to bus-based I2C API
authorHans Verkuil <hverkuil@xs4all.nl>
Thu, 13 Sep 2007 14:11:44 +0000 (11:11 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Fri, 25 Jan 2008 21:01:19 +0000 (19:01 -0200)
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/vp27smpx.c

index 63002e0ac764d51064d42492fe025e967995348f..24a942315042983c32123416263ce00674a9c379 100644 (file)
@@ -30,6 +30,7 @@
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("vp27smpx driver");
 MODULE_AUTHOR("Hans Verkuil");
@@ -73,8 +74,7 @@ static void vp27smpx_set_audmode(struct i2c_client *client, u32 audmode)
        }
 }
 
-static int vp27smpx_command(struct i2c_client *client, unsigned int cmd,
-                         void *arg)
+static int vp27smpx_command(struct i2c_client *client, unsigned int cmd, void *arg)
 {
        struct vp27smpx_state *state = i2c_get_clientdata(client);
        struct v4l2_tuner *vt = arg;
@@ -125,31 +125,20 @@ static int vp27smpx_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 vp27smpx_attach(struct i2c_adapter *adapter, int address, int kind)
+static int vp27smpx_probe(struct i2c_client *client)
 {
-       struct i2c_client *client;
        struct vp27smpx_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, "vp27smpx");
 
-       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 = kzalloc(sizeof(struct vp27smpx_state), GFP_KERNEL);
        if (state == NULL) {
-               kfree(client);
                return -ENOMEM;
        }
        state->audmode = V4L2_TUNER_MODE_STEREO;
@@ -157,56 +146,22 @@ static int vp27smpx_attach(struct i2c_adapter *adapter, int address, int kind)
 
        /* initialize vp27smpx */
        vp27smpx_set_audmode(client, state->audmode);
-       i2c_attach_client(client);
-
-       return 0;
-}
-
-static int vp27smpx_probe(struct i2c_adapter *adapter)
-{
-       if (adapter->class & I2C_CLASS_TV_ANALOG)
-               return i2c_probe(adapter, &addr_data, vp27smpx_attach);
        return 0;
 }
 
-static int vp27smpx_detach(struct i2c_client *client)
+static int vp27smpx_remove(struct i2c_client *client)
 {
-       struct vp27smpx_state *state = i2c_get_clientdata(client);
-       int err;
-
-       err = i2c_detach_client(client);
-       if (err) {
-               return err;
-       }
-       kfree(state);
-       kfree(client);
-
+       kfree(i2c_get_clientdata(client));
        return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
-       .driver = {
-               .name = "vp27smpx",
-       },
-       .id             = I2C_DRIVERID_VP27SMPX,
-       .attach_adapter = vp27smpx_probe,
-       .detach_client  = vp27smpx_detach,
-       .command        = vp27smpx_command,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+       .name = "vp27smpx",
+       .driverid = I2C_DRIVERID_VP27SMPX,
+       .command = vp27smpx_command,
+       .probe = vp27smpx_probe,
+       .remove = vp27smpx_remove,
 };
 
-
-static int __init vp27smpx_init_module(void)
-{
-       return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit vp27smpx_cleanup_module(void)
-{
-       i2c_del_driver(&i2c_driver);
-}
-
-module_init(vp27smpx_init_module);
-module_exit(vp27smpx_cleanup_module);