diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2013-09-23 11:23:37 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2013-10-18 09:12:03 -0700 |
| commit | 3f08d7f49f8365d5c9050522ee733951a503e955 (patch) | |
| tree | 864389fe22318856f8ee65621d1034a998dd9ece | |
| parent | c24c407e963e73d3ad18b9bc0af32cf23f37a7b0 (diff) | |
hwmon: (pmbus/ltc2978): Add support for LTC2978A
Detect LTC2978A chip ID. Treat it as LC2978.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/ltc2978 | 3 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/ltc2978.c | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index 6934936de2c..a0546fc4227 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 e05ff565ef6..de3c152a1d9 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; |