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path: root/drivers/hwmon/pmbus/ltc2978.c
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Diffstat (limited to 'drivers/hwmon/pmbus/ltc2978.c')
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 9652a2c92a2..6d6130752f9 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -59,10 +59,10 @@ enum chips { ltc2978, ltc3880 };
struct ltc2978_data {
enum chips id;
int vin_min, vin_max;
- int temp_min, temp_max;
+ int temp_min, temp_max[2];
int vout_min[8], vout_max[8];
int iout_max[2];
- int temp2_max[2];
+ int temp2_max;
struct pmbus_driver_info info;
};
@@ -113,9 +113,10 @@ static int ltc2978_read_word_data_common(struct i2c_client *client, int page,
ret = pmbus_read_word_data(client, page,
LTC2978_MFR_TEMPERATURE_PEAK);
if (ret >= 0) {
- if (lin11_to_val(ret) > lin11_to_val(data->temp_max))
- data->temp_max = ret;
- ret = data->temp_max;
+ if (lin11_to_val(ret)
+ > lin11_to_val(data->temp_max[page]))
+ data->temp_max[page] = ret;
+ ret = data->temp_max[page];
}
break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
@@ -204,10 +205,9 @@ static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg)
ret = pmbus_read_word_data(client, page,
LTC3880_MFR_TEMPERATURE2_PEAK);
if (ret >= 0) {
- if (lin11_to_val(ret)
- > lin11_to_val(data->temp2_max[page]))
- data->temp2_max[page] = ret;
- ret = data->temp2_max[page];
+ if (lin11_to_val(ret) > lin11_to_val(data->temp2_max))
+ data->temp2_max = ret;
+ ret = data->temp2_max;
}
break;
case PMBUS_VIRT_READ_VIN_MIN:
@@ -248,11 +248,11 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,
switch (reg) {
case PMBUS_VIRT_RESET_IOUT_HISTORY:
- data->iout_max[page] = 0x7fff;
+ data->iout_max[page] = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_TEMP2_HISTORY:
- data->temp2_max[page] = 0x7fff;
+ data->temp2_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
@@ -262,12 +262,12 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,
break;
case PMBUS_VIRT_RESET_VIN_HISTORY:
data->vin_min = 0x7bff;
- data->vin_max = 0;
+ data->vin_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_TEMP_HISTORY:
data->temp_min = 0x7bff;
- data->temp_max = 0x7fff;
+ data->temp_max[page] = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
default:
@@ -321,12 +321,14 @@ static int ltc2978_probe(struct i2c_client *client,
info = &data->info;
info->write_word_data = ltc2978_write_word_data;
- data->vout_min[0] = 0xffff;
data->vin_min = 0x7bff;
+ data->vin_max = 0x7c00;
data->temp_min = 0x7bff;
- data->temp_max = 0x7fff;
+ for (i = 0; i < ARRAY_SIZE(data->temp_max); i++)
+ data->temp_max[i] = 0x7c00;
+ data->temp2_max = 0x7c00;
- switch (id->driver_data) {
+ switch (data->id) {
case ltc2978:
info->read_word_data = ltc2978_read_word_data;
info->pages = 8;
@@ -336,7 +338,6 @@ static int ltc2978_probe(struct i2c_client *client,
for (i = 1; i < 8; i++) {
info->func[i] = PMBUS_HAVE_VOUT
| PMBUS_HAVE_STATUS_VOUT;
- data->vout_min[i] = 0xffff;
}
break;
case ltc3880:
@@ -352,11 +353,14 @@ static int ltc2978_probe(struct i2c_client *client,
| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
| PMBUS_HAVE_POUT
| PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
- data->vout_min[1] = 0xffff;
+ data->iout_max[0] = 0x7c00;
+ data->iout_max[1] = 0x7c00;
break;
default:
return -ENODEV;
}
+ for (i = 0; i < info->pages; i++)
+ data->vout_min[i] = 0xffff;
return pmbus_do_probe(client, id, info);
}