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authorHans Verkuil <hverkuil@xs4all.nl>2007-09-13 11:30:38 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:01:21 -0200
commite8e6b99184aa8cf72c5a28bf2a64f6d81473b1ca (patch)
tree67bc51a71c0d60902ff88ea1292d4c72d4c92bf0 /drivers/media/video/cs53l32a.c
parent79518dafd59a812bb390f201c6f18a8f875fcffb (diff)
V4L/DVB (6458): cs53l23a: 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/cs53l32a.c')
-rw-r--r--drivers/media/video/cs53l32a.c70
1 files changed, 9 insertions, 61 deletions
diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c
index a73e285af73..e43febb9d16 100644
--- a/drivers/media/video/cs53l32a.c
+++ b/drivers/media/video/cs53l32a.c
@@ -29,6 +29,7 @@
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
MODULE_AUTHOR("Martin Vaughan");
@@ -57,8 +58,7 @@ static int cs53l32a_read(struct i2c_client *client, u8 reg)
return i2c_smbus_read_byte_data(client, reg);
}
-static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
- void *arg)
+static int cs53l32a_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct v4l2_routing *route = arg;
struct v4l2_control *ctrl = arg;
@@ -134,27 +134,17 @@ static int cs53l32a_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 cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
+static int cs53l32a_probe(struct i2c_client *client)
{
- struct i2c_client *client;
int i;
/* 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, "cs53l32a");
- 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);
for (i = 1; i <= 7; i++) {
u8 v = cs53l32a_read(client, i);
@@ -179,55 +169,13 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
v4l_dbg(1, debug, client, "Read Reg %d %02x\n", i, v);
}
-
- i2c_attach_client(client);
-
return 0;
}
-static int cs53l32a_probe(struct i2c_adapter *adapter)
-{
- if (adapter->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adapter, &addr_data, cs53l32a_attach);
- return 0;
-}
-
-static int cs53l32a_detach(struct i2c_client *client)
-{
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
- kfree(client);
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
- .driver = {
- .name = "cs53l32a",
- },
- .id = I2C_DRIVERID_CS53L32A,
- .attach_adapter = cs53l32a_probe,
- .detach_client = cs53l32a_detach,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "cs53l32a",
+ .driverid = I2C_DRIVERID_CS53L32A,
.command = cs53l32a_command,
+ .probe = cs53l32a_probe,
};
-
-static int __init cs53l32a_init_module(void)
-{
- return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit cs53l32a_cleanup_module(void)
-{
- i2c_del_driver(&i2c_driver);
-}
-
-module_init(cs53l32a_init_module);
-module_exit(cs53l32a_cleanup_module);