On Tue, May 17, 2022 at 09:57:38AM +0200, Holger Brunck wrote:
> Some lm90 compatible devices can operate in a extended temperature mode.
> This feature is now enabled if the property is set in the corresponding
> device tree node.
>
> Signed-off-by: Holger Brunck <holger.brunck@xxxxxxxxxxxxxxxxx>
For my reference:
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> changes for v3:
> - set config bit is property is set in DTS
> - rephrase commit msg
> - rename property
>
> drivers/hwmon/lm90.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
> index 1c9493c70813..3820f0e61510 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;
> }
