Some lm90 devices can operate in a extended temperature mode, this feature
is now eanbled if the property is set in the corresponding device tree
node.
Signed-off-by: Holger Brunck <holger.brunck@xxxxxxxxxxxxxxxxx>
cc: Jean Delvare <jdelvare@xxxxxxxx>
cc: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/lm90.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 1c9493c70813..6cdbcfab9f20 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1707,6 +1707,7 @@ static void lm90_restore_conf(void *_data)
static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
{
+ struct device_node *np = client->dev.of_node;
int config, convrate;
convrate = lm90_read_reg(client, LM90_REG_R_CONVRATE);
@@ -1727,7 +1728,8 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
/* Check Temperature Range Select */
if (data->flags & LM90_HAVE_EXTENDED_TEMP) {
- if (config & 0x04)
+ if (config & 0x04 ||
+ of_property_read_bool(np, "onsemi,extended-range-enable"))
data->flags |= LM90_FLAG_ADT7461_EXT;
}
--
2.35.1.871.gab1f276
