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authorJean Delvare <khali@linux-fr.org>2009-12-09 20:35:57 +0100
committerJean Delvare <khali@linux-fr.org>2009-12-09 20:35:57 +0100
commit52df6440a29123eed912183fe785bbe174ef14b9 (patch)
tree3a3b9f4110d21c2ec4f5711444dd9cec6fb3d32c /drivers/hwmon/dme1737.c
parenta1fa4cdcc4abd4c02a81ab7052c16a342d29f060 (diff)
downloadop-kernel-dev-52df6440a29123eed912183fe785bbe174ef14b9.zip
op-kernel-dev-52df6440a29123eed912183fe785bbe174ef14b9.tar.gz
hwmon: Clean up detect functions
As kind is now hard-coded to -1, there is room for code clean-ups. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Juerg Haefliger <juergh@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Acked-by: "Hans J. Koch" <hjk@linutronix.de> Cc: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'drivers/hwmon/dme1737.c')
-rw-r--r--drivers/hwmon/dme1737.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index 27d6257..4377bb0 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -2220,33 +2220,23 @@ static int dme1737_i2c_detect(struct i2c_client *client, int kind,
return -ENODEV;
}
- /* A negative kind means that the driver was loaded with no force
- * parameter (default), so we must identify the chip. */
- if (kind < 0) {
- company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
- verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
-
- if (company == DME1737_COMPANY_SMSC &&
- (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
- kind = dme1737;
- } else if (company == DME1737_COMPANY_SMSC &&
- verstep == SCH5027_VERSTEP) {
- kind = sch5027;
- } else {
- return -ENODEV;
- }
- }
+ company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
+ verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
- if (kind == sch5027) {
+ if (company == DME1737_COMPANY_SMSC &&
+ verstep == SCH5027_VERSTEP) {
name = "sch5027";
- } else {
- kind = dme1737;
+
+ } else if (company == DME1737_COMPANY_SMSC &&
+ (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
name = "dme1737";
+ } else {
+ return -ENODEV;
}
dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n",
- kind == sch5027 ? "SCH5027" : "DME1737", client->addr,
- verstep);
+ verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737",
+ client->addr, verstep);
strlcpy(info->type, name, I2C_NAME_SIZE);
return 0;
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