hwmon: (pmbus) Add support for VR12

[firefly-linux-kernel-4.4.55.git] / drivers / hwmon / pmbus / pmbus_core.c

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 306a1b175557c9d14e79bab59202b4eb360ec8ef..398198140b8190040c5fc8f443fa400df09c2066 100644 (file)
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -515,16 +515,24 @@ static long pmbus_reg2data_direct(struct pmbus_data *data,
 /*
  * Convert VID sensor values to milli- or micro-units
  * depending on sensor type.
- * We currently only support VR11.
  */
 static long pmbus_reg2data_vid(struct pmbus_data *data,
                               struct pmbus_sensor *sensor)
 {
        long val = sensor->data;
+       long rv = 0;
 
-       if (val < 0x02 || val > 0xb2)
-               return 0;
-       return DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100);
+       switch (data->info->vrm_version) {
+       case vr11:
+               if (val >= 0x02 && val <= 0xb2)
+                       rv = DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100);
+               break;
+       case vr12:
+               if (val >= 0x01)
+                       rv = 250 + (val - 1) * 5;
+               break;
+       }
+       return rv;
 }
 
 static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)