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-rw-r--r--drivers/hwmon/pmbus/ltc2978.c39
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index c3b71668a47f..cc84ef514b8d 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -56,23 +56,18 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc3880, ltc3882, ltc3883,
#define LTC2975_MFR_PIN_PEAK 0xc6
#define LTC2975_MFR_PIN_MIN 0xc7
-#define LTC2974_ID_REV1 0x0212
-#define LTC2974_ID_REV2 0x0213
-#define LTC2975_ID 0x0223
+#define LTC2978_ID_MASK 0xfff0
+
+#define LTC2974_ID 0x0210
+#define LTC2975_ID 0x0220
#define LTC2977_ID 0x0130
-#define LTC2978_ID_REV1 0x0121
-#define LTC2978_ID_REV2 0x0122
-#define LTC2978A_ID 0x0124
-#define LTC3880_ID 0x4000
-#define LTC3880_ID_MASK 0xff00
+#define LTC2978_ID 0x0120
+#define LTC3880_ID 0x4020
#define LTC3883_ID 0x4300
-#define LTC3883_ID_MASK 0xff00
#define LTC3887_ID 0x4700
-#define LTC3887_ID_MASK 0xff00
-#define LTM4676_ID 0x4400
-#define LTM4676_ID_2 0x4480
+#define LTM4676_ID_REV1 0x4400
+#define LTM4676_ID_REV2 0x4480
#define LTM4676A_ID 0x47e0
-#define LTM4676_ID_MASK 0xfff0
#define LTC2974_NUM_PAGES 4
#define LTC2978_NUM_PAGES 8
@@ -463,24 +458,24 @@ static int ltc2978_get_id(struct i2c_client *client)
return -ENODEV;
}
- if (chip_id == LTC2974_ID_REV1 || chip_id == LTC2974_ID_REV2)
+ chip_id &= LTC2978_ID_MASK;
+
+ if (chip_id == LTC2974_ID)
return ltc2974;
else if (chip_id == LTC2975_ID)
return ltc2975;
else if (chip_id == LTC2977_ID)
return ltc2977;
- else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2 ||
- chip_id == LTC2978A_ID)
+ else if (chip_id == LTC2978_ID)
return ltc2978;
- else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID)
+ else if (chip_id == LTC3880_ID)
return ltc3880;
- else if ((chip_id & LTC3883_ID_MASK) == LTC3883_ID)
+ else if (chip_id == LTC3883_ID)
return ltc3883;
- else if ((chip_id & LTC3887_ID_MASK) == LTC3887_ID)
+ else if (chip_id == LTC3887_ID)
return ltc3887;
- else if ((chip_id & LTM4676_ID_MASK) == LTM4676_ID ||
- (chip_id & LTM4676_ID_MASK) == LTM4676_ID_2 ||
- (chip_id & LTM4676_ID_MASK) == LTM4676A_ID)
+ else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 ||
+ chip_id == LTM4676A_ID)
return ltm4676;
dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);