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-rw-r--r--Documentation/hwmon/ltc29783
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978
index 6934936..a0546fc 100644
--- a/Documentation/hwmon/ltc2978
+++ b/Documentation/hwmon/ltc2978
@@ -10,10 +10,11 @@ Supported chips:
Prefix: 'ltc2977'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc2977
- * Linear Technology LTC2978
+ * Linear Technology LTC2978, LTC2978A
Prefix: 'ltc2978'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc2978
+ http://www.linear.com/product/ltc2978a
* Linear Technology LTC3880
Prefix: 'ltc3880'
Addresses scanned: -
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index e05ff56..de3c152 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -57,6 +57,7 @@ enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883 };
#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 LTC3883_ID 0x4300
@@ -397,7 +398,8 @@ static int ltc2978_probe(struct i2c_client *client,
data->id = ltc2974;
} else if (chip_id == LTC2977_ID) {
data->id = ltc2977;
- } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) {
+ } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2 ||
+ chip_id == LTC2978A_ID) {
data->id = ltc2978;
} else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID) {
data->id = ltc3880;
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