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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /drivers/hwmon/lm63.c
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'drivers/hwmon/lm63.c')
-rw-r--r--drivers/hwmon/lm63.c69
1 files changed, 28 insertions, 41 deletions
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 3195a265f0e9..bf81aff7051d 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -56,12 +56,6 @@
56static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END }; 56static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END };
57 57
58/* 58/*
59 * Insmod parameters
60 */
61
62I2C_CLIENT_INSMOD_1(lm63);
63
64/*
65 * The LM63 registers 59 * The LM63 registers
66 */ 60 */
67 61
@@ -134,8 +128,7 @@ static int lm63_remove(struct i2c_client *client);
134 128
135static struct lm63_data *lm63_update_device(struct device *dev); 129static struct lm63_data *lm63_update_device(struct device *dev);
136 130
137static int lm63_detect(struct i2c_client *client, int kind, 131static int lm63_detect(struct i2c_client *client, struct i2c_board_info *info);
138 struct i2c_board_info *info);
139static void lm63_init_client(struct i2c_client *client); 132static void lm63_init_client(struct i2c_client *client);
140 133
141/* 134/*
@@ -143,7 +136,7 @@ static void lm63_init_client(struct i2c_client *client);
143 */ 136 */
144 137
145static const struct i2c_device_id lm63_id[] = { 138static const struct i2c_device_id lm63_id[] = {
146 { "lm63", lm63 }, 139 { "lm63", 0 },
147 { } 140 { }
148}; 141};
149MODULE_DEVICE_TABLE(i2c, lm63_id); 142MODULE_DEVICE_TABLE(i2c, lm63_id);
@@ -157,7 +150,7 @@ static struct i2c_driver lm63_driver = {
157 .remove = lm63_remove, 150 .remove = lm63_remove,
158 .id_table = lm63_id, 151 .id_table = lm63_id,
159 .detect = lm63_detect, 152 .detect = lm63_detect,
160 .address_data = &addr_data, 153 .address_list = normal_i2c,
161}; 154};
162 155
163/* 156/*
@@ -423,44 +416,38 @@ static const struct attribute_group lm63_group_fan1 = {
423 */ 416 */
424 417
425/* Return 0 if detection is successful, -ENODEV otherwise */ 418/* Return 0 if detection is successful, -ENODEV otherwise */
426static int lm63_detect(struct i2c_client *new_client, int kind, 419static int lm63_detect(struct i2c_client *new_client,
427 struct i2c_board_info *info) 420 struct i2c_board_info *info)
428{ 421{
429 struct i2c_adapter *adapter = new_client->adapter; 422 struct i2c_adapter *adapter = new_client->adapter;
423 u8 man_id, chip_id, reg_config1, reg_config2;
424 u8 reg_alert_status, reg_alert_mask;
430 425
431 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 426 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
432 return -ENODEV; 427 return -ENODEV;
433 428
434 if (kind < 0) { /* must identify */ 429 man_id = i2c_smbus_read_byte_data(new_client, LM63_REG_MAN_ID);
435 u8 man_id, chip_id, reg_config1, reg_config2; 430 chip_id = i2c_smbus_read_byte_data(new_client, LM63_REG_CHIP_ID);
436 u8 reg_alert_status, reg_alert_mask; 431
437 432 reg_config1 = i2c_smbus_read_byte_data(new_client,
438 man_id = i2c_smbus_read_byte_data(new_client, 433 LM63_REG_CONFIG1);
439 LM63_REG_MAN_ID); 434 reg_config2 = i2c_smbus_read_byte_data(new_client,
440 chip_id = i2c_smbus_read_byte_data(new_client, 435 LM63_REG_CONFIG2);
441 LM63_REG_CHIP_ID); 436 reg_alert_status = i2c_smbus_read_byte_data(new_client,
442 reg_config1 = i2c_smbus_read_byte_data(new_client, 437 LM63_REG_ALERT_STATUS);
443 LM63_REG_CONFIG1); 438 reg_alert_mask = i2c_smbus_read_byte_data(new_client,
444 reg_config2 = i2c_smbus_read_byte_data(new_client, 439 LM63_REG_ALERT_MASK);
445 LM63_REG_CONFIG2); 440
446 reg_alert_status = i2c_smbus_read_byte_data(new_client, 441 if (man_id != 0x01 /* National Semiconductor */
447 LM63_REG_ALERT_STATUS); 442 || chip_id != 0x41 /* LM63 */
448 reg_alert_mask = i2c_smbus_read_byte_data(new_client, 443 || (reg_config1 & 0x18) != 0x00
449 LM63_REG_ALERT_MASK); 444 || (reg_config2 & 0xF8) != 0x00
450 445 || (reg_alert_status & 0x20) != 0x00
451 if (man_id == 0x01 /* National Semiconductor */ 446 || (reg_alert_mask & 0xA4) != 0xA4) {
452 && chip_id == 0x41 /* LM63 */ 447 dev_dbg(&adapter->dev,
453 && (reg_config1 & 0x18) == 0x00 448 "Unsupported chip (man_id=0x%02X, chip_id=0x%02X)\n",
454 && (reg_config2 & 0xF8) == 0x00 449 man_id, chip_id);
455 && (reg_alert_status & 0x20) == 0x00 450 return -ENODEV;
456 && (reg_alert_mask & 0xA4) == 0xA4) {
457 kind = lm63;
458 } else { /* failed */
459 dev_dbg(&adapter->dev, "Unsupported chip "
460 "(man_id=0x%02X, chip_id=0x%02X).\n",
461 man_id, chip_id);
462 return -ENODEV;
463 }
464 } 451 }
465 452
466 strlcpy(info->type, "lm63", I2C_NAME_SIZE); 453 strlcpy(info->type, "lm63", I2C_NAME_SIZE);