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>
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 2444b15..20e0481 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -556,51 +556,34 @@
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- if (kind == 0) {
- kind = adm9240;
+ /* verify chip: reg address should match i2c address */
+ if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
+ != address) {
+ dev_err(&adapter->dev, "detect fail: address match, 0x%02x\n",
+ address);
+ return -ENODEV;
}
- if (kind < 0) {
-
- /* verify chip: reg address should match i2c address */
- if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
- != address) {
- dev_err(&adapter->dev, "detect fail: address match, "
- "0x%02x\n", address);
- return -ENODEV;
- }
-
- /* check known chip manufacturer */
- man_id = i2c_smbus_read_byte_data(new_client,
- ADM9240_REG_MAN_ID);
- if (man_id == 0x23) {
- kind = adm9240;
- } else if (man_id == 0xda) {
- kind = ds1780;
- } else if (man_id == 0x01) {
- kind = lm81;
- } else {
- dev_err(&adapter->dev, "detect fail: unknown manuf, "
- "0x%02x\n", man_id);
- return -ENODEV;
- }
-
- /* successful detect, print chip info */
- die_rev = i2c_smbus_read_byte_data(new_client,
- ADM9240_REG_DIE_REV);
- dev_info(&adapter->dev, "found %s revision %u\n",
- man_id == 0x23 ? "ADM9240" :
- man_id == 0xda ? "DS1780" : "LM81", die_rev);
- }
-
- /* either forced or detected chip kind */
- if (kind == adm9240) {
+ /* check known chip manufacturer */
+ man_id = i2c_smbus_read_byte_data(new_client, ADM9240_REG_MAN_ID);
+ if (man_id == 0x23) {
name = "adm9240";
- } else if (kind == ds1780) {
+ } else if (man_id == 0xda) {
name = "ds1780";
- } else if (kind == lm81) {
+ } else if (man_id == 0x01) {
name = "lm81";
+ } else {
+ dev_err(&adapter->dev, "detect fail: unknown manuf, 0x%02x\n",
+ man_id);
+ return -ENODEV;
}
+
+ /* successful detect, print chip info */
+ die_rev = i2c_smbus_read_byte_data(new_client, ADM9240_REG_DIE_REV);
+ dev_info(&adapter->dev, "found %s revision %u\n",
+ man_id == 0x23 ? "ADM9240" :
+ man_id == 0xda ? "DS1780" : "LM81", die_rev);
+
strlcpy(info->type, name, I2C_NAME_SIZE);
return 0;