Input: rotary-encoder - update docs according to the latest API changes

The old device property API is about to be removed, so
explaing how to use complete software nodes instead.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210304090948.27014-1-heikki.krogerus@linux.intel.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/Documentation/input/devices/rotary-encoder.rst b/Documentation/input/devices/rotary-encoder.rst
index 810ae02..5865748 100644 (file)
--- a/Documentation/input/devices/rotary-encoder.rst
+++ b/Documentation/input/devices/rotary-encoder.rst
@@ -107,13 +107,17 @@ example below:
                },
        };
 
-       static const struct property_entry rotary_encoder_properties[] __initconst = {
+       static const struct property_entry rotary_encoder_properties[] = {
                PROPERTY_ENTRY_U32("rotary-encoder,steps-per-period", 24),
                PROPERTY_ENTRY_U32("linux,axis",                      ABS_X),
                PROPERTY_ENTRY_U32("rotary-encoder,relative_axis",    0),
                { },
        };
 
+       static const struct software_node rotary_encoder_node = {
+               .properties = rotary_encoder_properties,
+       };
+
        static struct platform_device rotary_encoder_device = {
                .name           = "rotary-encoder",
                .id             = 0,
@@ -122,7 +126,7 @@ example below:
        ...
 
        gpiod_add_lookup_table(&rotary_encoder_gpios);
-       device_add_properties(&rotary_encoder_device, rotary_encoder_properties);
+       device_add_software_node(&rotary_encoder_device.dev, &rotary_encoder_node);
        platform_device_register(&rotary_encoder_device);
 
        ...