hwmon: (pmbus/ltc2978) Add new chip ID for LTC2974
LTC2974 datasheet revision C lists the chip ID for LTC2974 as 0x0213.
Reviewed-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index de3c152..629bfe0 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -53,7 +53,8 @@
/* LTC3883 only */
#define LTC3883_MFR_IIN_PEAK 0xe1
-#define LTC2974_ID 0x0212
+#define LTC2974_ID_REV1 0x0212
+#define LTC2974_ID_REV2 0x0213
#define LTC2977_ID 0x0130
#define LTC2978_ID_REV1 0x0121
#define LTC2978_ID_REV2 0x0122
@@ -394,7 +395,7 @@
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 == LTC2977_ID) {
data->id = ltc2977;