diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/mxb.c | 13 | ||||
| -rw-r--r-- | drivers/media/video/tda9840.c | 166 | ||||
| -rw-r--r-- | drivers/media/video/tea6415c.c | 131 | ||||
| -rw-r--r-- | drivers/media/video/tea6420.c | 147 |
4 files changed, 155 insertions, 302 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index 8ef578caba3b..7c9820c72a6f 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -466,15 +466,15 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data /* checking for i2c-devices can be omitted here, because we already did this in "mxb_vl42_probe" */ - saa7146_vv_init(dev,&vv_data); - if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { + saa7146_vv_init(dev, &vv_data); + if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { ERR(("cannot register capture v4l2 device. skipping.\n")); return -1; } /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ - if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) { - if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { + if (MXB_BOARD_CAN_DO_VBI(dev)) { + if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { ERR(("cannot register vbi v4l2 device. skipping.\n")); } } @@ -486,7 +486,7 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data i2c_use_client(mxb->saa7111a); i2c_use_client(mxb->tuner); - printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num); + printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num); mxb_num++; mxb_init_done(dev); @@ -737,8 +737,8 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index)); memset(t,0,sizeof(*t)); - strcpy(t->name, "Television"); + strlcpy(t->name, "Television", sizeof(t->name)); t->type = V4L2_TUNER_ANALOG_TV; t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */ @@ -746,7 +746,6 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) /* FIXME: add the real signal strength here */ t->signal = 0xffff; t->afc = 0; - mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte); t->audmode = mxb->cur_mode; diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index 2437c1a269c5..57deeb893318 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -2,6 +2,7 @@ tda9840 - i2c-driver for the tda9840 by SGS Thomson Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de> + Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> The tda9840 is a stereo/dual sound processor with digital identification. It can be found at address 0x84 on the i2c-bus. @@ -28,15 +29,18 @@ #include <linux/module.h> #include <linux/ioctl.h> #include <linux/i2c.h> - +#include <media/v4l2-common.h> +#include <media/v4l2-i2c-drv-legacy.h> #include "tda9840.h" -static int debug; /* insmod parameter */ +MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); +MODULE_DESCRIPTION("tda9840 driver"); +MODULE_LICENSE("GPL"); + +static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +MODULE_PARM_DESC(debug, "Debug level (0-1)"); #define SWITCH 0x00 #define LEVEL_ADJUST 0x02 @@ -49,18 +53,21 @@ static unsigned short normal_i2c[] = { I2C_ADDR_TDA9840, I2C_CLIENT_END }; /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; +static void tda9840_write(struct i2c_client *client, u8 reg, u8 val) +{ + if (i2c_smbus_write_byte_data(client, reg, val)) + v4l_dbg(1, debug, client, "error writing %02x to %02x\n", + val, reg); +} -static int command(struct i2c_client *client, unsigned int cmd, void *arg) +static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) { int result; int byte = *(int *)arg; switch (cmd) { case TDA9840_SWITCH: - - dprintk("TDA9840_SWITCH: 0x%02x\n", byte); + v4l_dbg(1, debug, client, "TDA9840_SWITCH: 0x%02x\n", byte); if (byte != TDA9840_SET_MONO && byte != TDA9840_SET_MUTE @@ -73,14 +80,11 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) return -EINVAL; } - result = i2c_smbus_write_byte_data(client, SWITCH, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, SWITCH, byte); break; case TDA9840_LEVEL_ADJUST: - - dprintk("TDA9840_LEVEL_ADJUST: %d\n", byte); + v4l_dbg(1, debug, client, "TDA9840_LEVEL_ADJUST: %d\n", byte); /* check for correct range */ if (byte > 25 || byte < -20) @@ -92,15 +96,11 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) byte += 0x8; else byte = -byte; - - result = i2c_smbus_write_byte_data(client, LEVEL_ADJUST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, LEVEL_ADJUST, byte); break; case TDA9840_STEREO_ADJUST: - - dprintk("TDA9840_STEREO_ADJUST: %d\n", byte); + v4l_dbg(1, debug, client, "TDA9840_STEREO_ADJUST: %d\n", byte); /* check for correct range */ if (byte > 25 || byte < -24) @@ -113,9 +113,7 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) else byte = -byte; - result = i2c_smbus_write_byte_data(client, STEREO_ADJUST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, STEREO_ADJUST, byte); break; case TDA9840_DETECT: { @@ -123,29 +121,29 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) byte = i2c_smbus_read_byte_data(client, STEREO_ADJUST); if (byte == -1) { - dprintk("i2c_smbus_read_byte_data() failed\n"); + v4l_dbg(1, debug, client, + "i2c_smbus_read_byte_data() failed\n"); return -EIO; } - if (0 != (byte & 0x80)) { - dprintk("TDA9840_DETECT: register contents invalid\n"); + if (byte & 0x80) { + v4l_dbg(1, debug, client, + "TDA9840_DETECT: register contents invalid\n"); return -EINVAL; } - dprintk("TDA9840_DETECT: byte: 0x%02x\n", byte); - *ret = ((byte & 0x60) >> 5); + v4l_dbg(1, debug, client, "TDA9840_DETECT: byte: 0x%02x\n", byte); + *ret = (byte & 0x60) >> 5; result = 0; break; } case TDA9840_TEST: - dprintk("TDA9840_TEST: 0x%02x\n", byte); + v4l_dbg(1, debug, client, "TDA9840_TEST: 0x%02x\n", byte); /* mask out irrelevant bits */ byte &= 0x3; - result = i2c_smbus_write_byte_data(client, TEST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, TEST, byte); break; default: return -ENOIOCTLCMD; @@ -157,99 +155,51 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) return 0; } -static int detect(struct i2c_adapter *adapter, int address, int kind) +static int tda9840_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; - int result = 0; - - int byte = 0x0; + int result; + int byte; /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, - I2C_FUNC_SMBUS_READ_BYTE_DATA | - I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) { + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_BYTE_DATA | + I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return 0; - } - /* allocate memory for client structure */ - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - printk("not enough kernel memory\n"); - return -ENOMEM; - } - - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; - - /* tell the i2c layer a new client has arrived */ - if (0 != (result = i2c_attach_client(client))) { - kfree(client); - return result; - } + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); /* set initial values for level & stereo - adjustment, mode */ byte = 0; - result = command(client, TDA9840_LEVEL_ADJUST, &byte); - result += command(client, TDA9840_STEREO_ADJUST, &byte); + result = tda9840_command(client, TDA9840_LEVEL_ADJUST, &byte); + result += tda9840_command(client, TDA9840_STEREO_ADJUST, &byte); byte = TDA9840_SET_MONO; - result = command(client, TDA9840_SWITCH, &byte); + result = tda9840_command(client, TDA9840_SWITCH, &byte); if (result) { - dprintk("could not initialize tda9840\n"); + v4l_dbg(1, debug, client, "could not initialize tda9840\n"); return -ENODEV; } - - printk("tda9840: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); return 0; } -static int attach(struct i2c_adapter *adapter) +static int tda9840_legacy_probe(struct i2c_adapter *adapter) { - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &detect); + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - -static struct i2c_driver driver = { - .driver = { - .name = "tda9840", - }, - .id = I2C_DRIVERID_TDA9840, - .attach_adapter = attach, - .detach_client = detach, - .command = command, +static const struct i2c_device_id tda9840_id[] = { + { "tda9840", 0 }, + { } }; +MODULE_DEVICE_TABLE(i2c, tda9840_id); -static struct i2c_client client_template = { +static struct v4l2_i2c_driver_data v4l2_i2c_data = { .name = "tda9840", - .driver = &driver, + .driverid = I2C_DRIVERID_TDA9840, + .command = tda9840_command, + .probe = tda9840_probe, + .legacy_probe = tda9840_legacy_probe, + .id_table = tda9840_id, }; - -static int __init this_module_init(void) -{ - return i2c_add_driver(&driver); -} - -static void __exit this_module_exit(void) -{ - i2c_del_driver(&driver); -} - -module_init(this_module_init); -module_exit(this_module_exit); - -MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); -MODULE_DESCRIPTION("tda9840 driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index 421c1445e96c..cde092adbb5a 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.c @@ -2,6 +2,7 @@ tea6415c - i2c-driver for the tea6415c by SGS Thomson Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de> + Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> The tea6415c is a bus controlled video-matrix-switch with 8 inputs and 6 outputs. @@ -30,18 +31,18 @@ #include <linux/module.h> #include <linux/ioctl.h> #include <linux/i2c.h> - +#include <media/v4l2-common.h> +#include <media/v4l2-i2c-drv-legacy.h> #include "tea6415c.h" -static int debug; /* insmod parameter */ -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); +MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); +MODULE_DESCRIPTION("tea6415c driver"); +MODULE_LICENSE("GPL"); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +static int debug; +module_param(debug, int, 0644); -#define TEA6415C_NUM_INPUTS 8 -#define TEA6415C_NUM_OUTPUTS 6 +MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* addresses to scan, found only at 0x03 and/or 0x43 (7-bit) */ static unsigned short normal_i2c[] = { I2C_TEA6415C_1, I2C_TEA6415C_2, I2C_CLIENT_END }; @@ -49,60 +50,6 @@ static unsigned short normal_i2c[] = { I2C_TEA6415C_1, I2C_TEA6415C_2, I2C_CLIEN /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; - -/* this function is called by i2c_probe */ -static int detect(struct i2c_adapter *adapter, int address, int kind) -{ - struct i2c_client *client = NULL; - int err = 0; - - /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) { - return 0; - } - - /* allocate memory for client structure */ - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - return -ENOMEM; - } - - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; - - /* tell the i2c layer a new client has arrived */ - if (0 != (err = i2c_attach_client(client))) { - kfree(client); - return err; - } - - printk("tea6415c: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); - - return 0; -} - -static int attach(struct i2c_adapter *adapter) -{ - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &detect); -} - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - /* makes a connection between the input-pin 'i' and the output-pin 'o' for the tea6415c-client 'client' */ static int switch_matrix(struct i2c_client *client, int i, int o) @@ -110,7 +57,7 @@ static int switch_matrix(struct i2c_client *client, int i, int o) u8 byte = 0; int ret; - dprintk("adr:0x%02x, i:%d, o:%d\n", client->addr, i, o); + v4l_dbg(1, debug, client, "i=%d, o=%d\n", i, o); /* check if the pins are valid */ if (0 == ((1 == i || 3 == i || 5 == i || 6 == i || 8 == i || 10 == i || 20 == i || 11 == i) @@ -168,14 +115,14 @@ static int switch_matrix(struct i2c_client *client, int i, int o) ret = i2c_smbus_write_byte(client, byte); if (ret) { - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", ret); + v4l_dbg(1, debug, client, + "i2c_smbus_write_byte() failed, ret:%d\n", ret); return -EIO; } - return ret; } -static int command(struct i2c_client *client, unsigned int cmd, void *arg) +static int tea6415c_command(struct i2c_client *client, unsigned cmd, void *arg) { struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg; int result = 0; @@ -187,38 +134,40 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) default: return -ENOIOCTLCMD; } - return result; } -static struct i2c_driver driver = { - .driver = { - .name = "tea6415c", - }, - .id = I2C_DRIVERID_TEA6415C, - .attach_adapter = attach, - .detach_client = detach, - .command = command, -}; - -static struct i2c_client client_template = { - .name = "tea6415c", - .driver = &driver, -}; - -static int __init this_module_init(void) +/* this function is called by i2c_probe */ +static int tea6415c_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - return i2c_add_driver(&driver); + /* let's see whether this adapter can support what we need */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) + return 0; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + return 0; } -static void __exit this_module_exit(void) +static int tea6415c_legacy_probe(struct i2c_adapter *adapter) { - i2c_del_driver(&driver); + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } -module_init(this_module_init); -module_exit(this_module_exit); +static const struct i2c_device_id tea6415c_id[] = { + { "tea6415c", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tea6415c_id); -MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); -MODULE_DESCRIPTION("tea6415c driver"); -MODULE_LICENSE("GPL"); +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "tea6415c", + .driverid = I2C_DRIVERID_TEA6415C, + .command = tea6415c_command, + .probe = tea6415c_probe, + .legacy_probe = tea6415c_legacy_probe, + .id_table = tea6415c_id, +}; diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index b5c8957d130e..e50820969e64 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -2,6 +2,7 @@ tea6420 - i2c-driver for the tea6420 by SGS Thomson Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de> + Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> The tea6420 is a bus controlled audio-matrix with 5 stereo inputs, 4 stereo outputs and gain control for each output. @@ -30,15 +31,18 @@ #include <linux/module.h> #include <linux/ioctl.h> #include <linux/i2c.h> - +#include <media/v4l2-common.h> +#include <media/v4l2-i2c-drv-legacy.h> #include "tea6420.h" -static int debug; /* insmod parameter */ +MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); +MODULE_DESCRIPTION("tea6420 driver"); +MODULE_LICENSE("GPL"); + +static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* addresses to scan, found only at 0x4c and/or 0x4d (7-Bit) */ static unsigned short normal_i2c[] = { I2C_ADDR_TEA6420_1, I2C_ADDR_TEA6420_2, I2C_CLIENT_END }; @@ -46,23 +50,20 @@ static unsigned short normal_i2c[] = { I2C_ADDR_TEA6420_1, I2C_ADDR_TEA6420_2, I /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; - /* make a connection between the input 'i' and the output 'o' with gain 'g' for the tea6420-client 'client' (note: i = 6 means 'mute') */ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) { - u8 byte = 0; + u8 byte; int ret; - dprintk("adr:0x%02x, i:%d, o:%d, g:%d\n", client->addr, i, o, g); + v4l_dbg(1, debug, client, "i=%d, o=%d, g=%d\n", i, o, g); /* check if the parameters are valid */ if (i < 1 || i > 6 || o < 1 || o > 4 || g < 0 || g > 6 || g % 2 != 0) return -1; - byte = ((o - 1) << 5); + byte = ((o - 1) << 5); byte |= (i - 1); /* to understand this, have a look at the tea6420-specs (p.5) */ @@ -82,40 +83,41 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) ret = i2c_smbus_write_byte(client, byte); if (ret) { - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", ret); + v4l_dbg(1, debug, client, + "i2c_smbus_write_byte() failed, ret:%d\n", ret); return -EIO; } - return 0; } -/* this function is called by i2c_probe */ -static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind) +static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg) { - struct i2c_client *client; - int err = 0, i = 0; + struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; + int result = 0; - /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) { - return 0; + switch (cmd) { + case TEA6420_SWITCH: + result = tea6420_switch(client, a->in, a->out, a->gain); + break; + default: + return -ENOIOCTLCMD; } - /* allocate memory for client structure */ - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - return -ENOMEM; - } + return result; +} - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; +/* this function is called by i2c_probe */ +static int tea6420_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int err, i; - /* tell the i2c layer a new client has arrived */ - if (0 != (err = i2c_attach_client(client))) { - kfree(client); - return err; - } + /* let's see whether this adapter can support what we need */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) + return -EIO; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); /* set initial values: set "mute"-input to all outputs at gain 0 */ err = 0; @@ -123,78 +125,31 @@ static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind) err += tea6420_switch(client, 6, i, 0); } if (err) { - dprintk("could not initialize tea6420\n"); + v4l_dbg(1, debug, client, "could not initialize tea6420\n"); kfree(client); return -ENODEV; } - - printk("tea6420: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); - return 0; } -static int attach(struct i2c_adapter *adapter) +static int tea6420_legacy_probe(struct i2c_adapter *adapter) { - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &tea6420_detect); -} - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - -static int command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; - int result = 0; - - switch (cmd) { - case TEA6420_SWITCH: - result = tea6420_switch(client, a->in, a->out, a->gain); - break; - default: - return -ENOIOCTLCMD; - } - - return result; + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } -static struct i2c_driver driver = { - .driver = { - .name = "tea6420", - }, - .id = I2C_DRIVERID_TEA6420, - .attach_adapter = attach, - .detach_client = detach, - .command = command, +static const struct i2c_device_id tea6420_id[] = { + { "tea6420", 0 }, + { } }; +MODULE_DEVICE_TABLE(i2c, tea6420_id); -static struct i2c_client client_template = { +static struct v4l2_i2c_driver_data v4l2_i2c_data = { .name = "tea6420", - .driver = &driver, + .driverid = I2C_DRIVERID_TEA6420, + .command = tea6420_command, + .probe = tea6420_probe, + .legacy_probe = tea6420_legacy_probe, + .id_table = tea6420_id, }; - -static int __init this_module_init(void) -{ - return i2c_add_driver(&driver); -} - -static void __exit this_module_exit(void) -{ - i2c_del_driver(&driver); -} - -module_init(this_module_init); -module_exit(this_module_exit); - -MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); -MODULE_DESCRIPTION("tea6420 driver"); -MODULE_LICENSE("GPL"); |