It is possible that a PMBus device supports the READ_TEMPERATURE2 and/or
READ_TEMPERATURE3 registers but does not support READ_TEMPERATURE1.
Improve temperature status register detection to address this condition.
Reported-by: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
---
drivers/hwmon/pmbus.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/hwmon/pmbus.c b/drivers/hwmon/pmbus.c
index 931d940..4a1f217 100644
--- a/drivers/hwmon/pmbus.c
+++ b/drivers/hwmon/pmbus.c
@@ -59,16 +59,17 @@ static void pmbus_find_sensor_groups(struct i2c_client *client,
if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_34))
info->func[0] |= PMBUS_HAVE_STATUS_FAN34;
}
- if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1)) {
+ if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1))
info->func[0] |= PMBUS_HAVE_TEMP;
- if (pmbus_check_byte_register(client, 0,
- PMBUS_STATUS_TEMPERATURE))
- info->func[0] |= PMBUS_HAVE_STATUS_TEMP;
- }
if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_2))
info->func[0] |= PMBUS_HAVE_TEMP2;
if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_3))
info->func[0] |= PMBUS_HAVE_TEMP3;
+ if (info->func[0] & (PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
+ | PMBUS_HAVE_TEMP3)
+ && pmbus_check_byte_register(client, 0,
+ PMBUS_STATUS_TEMPERATURE))
+ info->func[0] |= PMBUS_HAVE_STATUS_TEMP;
/* Sensors detected on all pages */
for (page = 0; page < info->pages; page++) {
@@ -177,6 +178,12 @@ static const struct i2c_device_id pmbus_id[] = {
{"bmr454", 1},
{"ltc2978", 8},
{"pmbus", 0},
+ {"zl2004", 1},
+ {"zl2006", 1},
+ {"zl2008", 1},
+ {"zl2106", 1},
+ {"zl6100", 1},
+ {"zl6105", 1},
{}
};
--
1.7.3.1
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