From fbaa3d0db482ae55fc054b9446c1ecf699754054 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 13 Sep 2007 11:19:39 -0300 Subject: [PATCH] V4L/DVB (6455): saa7115: convert to bus-based I2C API Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7115.c | 76 ++++++++--------------------------- 1 file changed, 16 insertions(+), 60 deletions(-) diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 2d18f00698..ad60335544 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include @@ -1230,7 +1231,7 @@ static void saa711x_decode_vbi_line(struct i2c_client *client, /* ============ SAA7115 AUDIO settings (end) ============= */ -static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *arg) +static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct saa711x_state *state = i2c_get_clientdata(client); @@ -1449,26 +1450,17 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar /* ----------------------------------------------------------------------- */ -static struct i2c_driver i2c_driver_saa711x; - -static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind) +static int saa7115_probe(struct i2c_client *client) { - struct i2c_client *client; struct saa711x_state *state; int i; char name[17]; u8 chip_id; /* 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_saa711x; snprintf(client->name, sizeof(client->name) - 1, "saa7115"); for (i = 0; i < 0x0f; i++) { @@ -1485,18 +1477,16 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind) /* Check whether this chip is part of the saa711x series */ if (memcmp(name, "1f711", 5)) { v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n", - address << 1, name); - kfree(client); + client->addr << 1, name); return 0; } snprintf(client->name, sizeof(client->name) - 1, "saa711%d",chip_id); - v4l_info(client, "saa711%d found (%s) @ 0x%x (%s)\n", chip_id, name, address << 1, adapter->name); + v4l_info(client, "saa711%d found (%s) @ 0x%x (%s)\n", chip_id, name, client->addr << 1, client->adapter->name); state = kzalloc(sizeof(struct saa711x_state), GFP_KERNEL); i2c_set_clientdata(client, state); if (state == NULL) { - kfree(client); return -ENOMEM; } state->input = -1; @@ -1549,59 +1539,25 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind) saa711x_writeregs(client, saa7115_init_misc); saa711x_set_v4lstd(client, V4L2_STD_NTSC); - i2c_attach_client(client); - v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n", saa711x_read(client, R_1E_STATUS_BYTE_1_VD_DEC), saa711x_read(client, R_1F_STATUS_BYTE_2_VD_DEC)); - return 0; } -static int saa711x_probe(struct i2c_adapter *adapter) -{ - if (adapter->class & I2C_CLASS_TV_ANALOG || adapter->class & I2C_CLASS_TV_DIGITAL) - return i2c_probe(adapter, &addr_data, &saa711x_attach); - return 0; -} +/* ----------------------------------------------------------------------- */ -static int saa711x_detach(struct i2c_client *client) +static int saa7115_remove(struct i2c_client *client) { - struct saa711x_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_saa711x = { - .driver = { - .name = "saa7115", - }, - .id = I2C_DRIVERID_SAA711X, - .attach_adapter = saa711x_probe, - .detach_client = saa711x_detach, - .command = saa711x_command, +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa7115", + .driverid = I2C_DRIVERID_SAA711X, + .command = saa7115_command, + .probe = saa7115_probe, + .remove = saa7115_remove, + .legacy_class = I2C_CLASS_TV_ANALOG | I2C_CLASS_TV_DIGITAL, }; - -static int __init saa711x_init_module(void) -{ - return i2c_add_driver(&i2c_driver_saa711x); -} - -static void __exit saa711x_cleanup_module(void) -{ - i2c_del_driver(&i2c_driver_saa711x); -} - -module_init(saa711x_init_module); -module_exit(saa711x_cleanup_module); -- 2.39.5