From: Holger Brunck Date: Tue, 17 May 2022 13:56:14 +0000 (+0200) Subject: hwmon: (lm90) enable extended range according to DTS node X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=45988d907859b8e6c620c7b8742f65f5b1fbb565;p=linux.git hwmon: (lm90) enable extended range according to DTS node Some lm90 compatible devices can operate in an extended temperature mode. This feature is now enabled if the property is set in the corresponding device tree node. Signed-off-by: Holger Brunck Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20220517135614.8185-2-holger.brunck@hitachienergy.com Signed-off-by: Guenter Roeck --- diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 1c9493c708132..3820f0e615108 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); @@ -1727,6 +1728,9 @@ 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 (of_property_read_bool(np, "ti,extended-range-enable")) + config |= 0x04; + if (config & 0x04) data->flags |= LM90_FLAG_ADT7461_EXT; }