Peak attributes were not initialized and cleared correctly.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
Candidate for -stable.
drivers/hwmon/pmbus/ltc2978.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 9652a2c..eec294a 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -248,26 +248,26 @@ 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[page] = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
data->vout_min[page] = 0xffff;
- data->vout_max[page] = 0;
+ data->vout_max[page] = 0x0000;
ret = ltc2978_clear_peaks(client, page, data->id);
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_min = 0xfbff;
+ data->temp_max = 0x7c00;
ret = ltc2978_clear_peaks(client, page, data->id);
break;
default:
@@ -321,10 +321,10 @@ 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;
+ data->temp_max = 0x7c00;
switch (id->driver_data) {
case ltc2978:
@@ -336,7 +336,6 @@ 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 +351,16 @@ 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->temp2_max[0] = 0x7c00;
+ data->temp2_max[1] = 0x7c00;
break;
default:
return -ENODEV;
}
+ for (i = 0; i < info->pages; i++) {
+ data->vout_min[i] = 0xffff;
+ data->iout_max[i] = 0x7c00;
+ }
return pmbus_do_probe(client, id, info);
}
--
1.7.9.7
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