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path: root/drivers/hwmon/pmbus/ltc2978.c
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Diffstat (limited to 'drivers/hwmon/pmbus/ltc2978.c')
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 28e1e735b5c2..acbfe3ec2ffd 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -60,7 +60,9 @@ enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3882, ltc3883, ltm4676 };
#define LTC3880_ID_MASK 0xff00
#define LTC3883_ID 0x4300
#define LTC3883_ID_MASK 0xff00
-#define LTM4676_ID 0x4480 /* datasheet claims 0x440X */
+#define LTM4676_ID 0x4400
+#define LTM4676_ID_2 0x4480
+#define LTM4676A_ID 0x47E0
#define LTM4676_ID_MASK 0xfff0
#define LTC2974_NUM_PAGES 4
@@ -430,7 +432,9 @@ static int ltc2978_get_id(struct i2c_client *client)
return ltc3880;
else if ((chip_id & LTC3883_ID_MASK) == LTC3883_ID)
return ltc3883;
- else if ((chip_id & LTM4676_ID_MASK) == LTM4676_ID)
+ else if ((chip_id & LTM4676_ID_MASK) == LTM4676_ID ||
+ (chip_id & LTM4676_ID_MASK) == LTM4676_ID_2 ||
+ (chip_id & LTM4676_ID_MASK) == LTM4676A_ID)
return ltm4676;
dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);
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