hwmon: (pmbus) Auto-detect temp2 and temp3 registers/attributes

commit 0e502ec889d33bfcb348e420d7e105bc61c45eb4 upstream.

Additional temperature attribute support is easy to detect, so do it.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/hwmon/pmbus.c b/drivers/hwmon/pmbus.c
index 98e2e28..b5dc883 100644 (file)
--- a/drivers/hwmon/pmbus.c
+++ b/drivers/hwmon/pmbus.c
@@ -63,6 +63,10 @@ static void pmbus_find_sensor_groups(struct i2c_client *client,
                                              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;
 
        /* Sensors detected on all pages */
        for (page = 0; page < info->pages; page++) {