As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
---
The patch looks large, but most of it is really only removing one
depth of indentation.
drivers/hwmon/lm85.c | 155 ++++++++++++++++++++------------------------------
1 file changed, 64 insertions(+), 91 deletions(-)
--- linux-2.6.32-rc3.orig/drivers/hwmon/lm85.c 2009-10-06 10:33:15.000000000 +0200
+++ linux-2.6.32-rc3/drivers/hwmon/lm85.c 2009-10-06 11:45:05.000000000 +0200
@@ -5,7 +5,7 @@
Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@xxxxxxxxxxxxxxxxxxxx>
Copyright (c) 2003 Margit Schubert-While <margitsw@xxxxxxxxxxx>
Copyright (c) 2004 Justin Thiessen <jthiessen@xxxxxxxxxxxxxxxxxxxx>
- Copyright (C) 2007, 2008 Jean Delvare <khali@xxxxxxxxxxxx>
+ Copyright (C) 2007- 2009 Jean Delvare <khali@xxxxxxxxxxxx>
Chip details at <http://www.national.com/ds/LM/LM85.pdf>
@@ -1162,107 +1162,80 @@ static int lm85_detect(struct i2c_client
struct i2c_adapter *adapter = client->adapter;
int address = client->addr;
const char *type_name;
+ int company, verstep;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
/* We need to be able to do byte I/O */
return -ENODEV;
}
- /* If auto-detecting, determine the chip type */
- if (kind < 0) {
- int company = lm85_read_value(client, LM85_REG_COMPANY);
- int verstep = lm85_read_value(client, LM85_REG_VERSTEP);
-
- dev_dbg(&adapter->dev, "Detecting device at 0x%02x with "
- "COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
- address, company, verstep);
-
- /* All supported chips have the version in common */
- if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC &&
- (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) {
- dev_dbg(&adapter->dev, "Autodetection failed: "
- "unsupported version\n");
- return -ENODEV;
- }
- kind = any_chip;
+ /* Determine the chip type */
+ company = lm85_read_value(client, LM85_REG_COMPANY);
+ verstep = lm85_read_value(client, LM85_REG_VERSTEP);
+
+ dev_dbg(&adapter->dev, "Detecting device at 0x%02x with "
+ "COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
+ address, company, verstep);
+
+ /* All supported chips have the version in common */
+ if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC &&
+ (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) {
+ dev_dbg(&adapter->dev,
+ "Autodetection failed: unsupported version\n");
+ return -ENODEV;
+ }
+ type_name = "lm85";
- /* Now, refine the detection */
- if (company == LM85_COMPANY_NATIONAL) {
- switch (verstep) {
- case LM85_VERSTEP_LM85C:
- kind = lm85c;
- break;
- case LM85_VERSTEP_LM85B:
- kind = lm85b;
- break;
- case LM85_VERSTEP_LM96000_1:
- case LM85_VERSTEP_LM96000_2:
- /* Check for Winbond WPCD377I */
- if (lm85_is_fake(client)) {
- dev_dbg(&adapter->dev,
- "Found Winbond WPCD377I, "
- "ignoring\n");
- return -ENODEV;
- }
- break;
- }
- } else if (company == LM85_COMPANY_ANALOG_DEV) {
- switch (verstep) {
- case LM85_VERSTEP_ADM1027:
- kind = adm1027;
- break;
- case LM85_VERSTEP_ADT7463:
- case LM85_VERSTEP_ADT7463C:
- kind = adt7463;
- break;
- case LM85_VERSTEP_ADT7468_1:
- case LM85_VERSTEP_ADT7468_2:
- kind = adt7468;
- break;
- }
- } else if (company == LM85_COMPANY_SMSC) {
- switch (verstep) {
- case LM85_VERSTEP_EMC6D100_A0:
- case LM85_VERSTEP_EMC6D100_A1:
- /* Note: we can't tell a '100 from a '101 */
- kind = emc6d100;
- break;
- case LM85_VERSTEP_EMC6D102:
- kind = emc6d102;
- break;
+ /* Now, refine the detection */
+ if (company == LM85_COMPANY_NATIONAL) {
+ switch (verstep) {
+ case LM85_VERSTEP_LM85C:
+ type_name = "lm85c";
+ break;
+ case LM85_VERSTEP_LM85B:
+ type_name = "lm85b";
+ break;
+ case LM85_VERSTEP_LM96000_1:
+ case LM85_VERSTEP_LM96000_2:
+ /* Check for Winbond WPCD377I */
+ if (lm85_is_fake(client)) {
+ dev_dbg(&adapter->dev,
+ "Found Winbond WPCD377I, ignoring\n");
+ return -ENODEV;
}
- } else {
- dev_dbg(&adapter->dev, "Autodetection failed: "
- "unknown vendor\n");
- return -ENODEV;
+ break;
+ }
+ } else if (company == LM85_COMPANY_ANALOG_DEV) {
+ switch (verstep) {
+ case LM85_VERSTEP_ADM1027:
+ type_name = "adm1027";
+ break;
+ case LM85_VERSTEP_ADT7463:
+ case LM85_VERSTEP_ADT7463C:
+ type_name = "adt7463";
+ break;
+ case LM85_VERSTEP_ADT7468_1:
+ case LM85_VERSTEP_ADT7468_2:
+ type_name = "adt7468";
+ break;
+ }
+ } else if (company == LM85_COMPANY_SMSC) {
+ switch (verstep) {
+ case LM85_VERSTEP_EMC6D100_A0:
+ case LM85_VERSTEP_EMC6D100_A1:
+ /* Note: we can't tell a '100 from a '101 */
+ type_name = "emc6d100";
+ break;
+ case LM85_VERSTEP_EMC6D102:
+ type_name = "emc6d102";
+ break;
}
+ } else {
+ dev_dbg(&adapter->dev,
+ "Autodetection failed: unknown vendor\n");
+ return -ENODEV;
}
- switch (kind) {
- case lm85b:
- type_name = "lm85b";
- break;
- case lm85c:
- type_name = "lm85c";
- break;
- case adm1027:
- type_name = "adm1027";
- break;
- case adt7463:
- type_name = "adt7463";
- break;
- case adt7468:
- type_name = "adt7468";
- break;
- case emc6d100:
- type_name = "emc6d100";
- break;
- case emc6d102:
- type_name = "emc6d102";
- break;
- default:
- type_name = "lm85";
- }
strlcpy(info->type, type_name, I2C_NAME_SIZE);
return 0;
--
Jean Delvare
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