From: Anders Berg <anders.b...@lsi.com>
Recognize chip id for newer revision of LTC2974.
Signed-off-by: Anders Berg <anders.b...@lsi.com>
---
drivers/hwmon/pmbus/ltc2978.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 586a89e..7dad0ab 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -52,7 +52,8 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 };
/* LTC3883 only */
#define LTC3883_MFR_IIN_PEAK 0xe1
-#define LTC2974_ID 0x0212
+#define LTC2974_ID_REV1 0x0212
+#define LTC2974_ID_REV2 0x0213
#define LTC2978_ID_REV1 0x0121
#define LTC2978_ID_REV2 0x0122
#define LTC3880_ID 0x4000
@@ -390,7 +391,7 @@ static int ltc2978_probe(struct i2c_client *client,
if (chip_id < 0)
return chip_id;
- if (chip_id == LTC2974_ID) {
+ if (chip_id == LTC2974_ID_REV1 || chip_id == LTC2974_ID_REV2) {
data->id = ltc2974;
} else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) {
data->id = ltc2978;
--
1.7.9.5
--
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