[PATCH] Input: docs - Update according to the latest API changes

From: Heikki Krogerus
Date: Thu Mar 04 2021 - 04:12:29 EST


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@xxxxxxxxxxxxxxx>
---
Documentation/input/devices/rotary-encoder.rst | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Documentation/input/devices/rotary-encoder.rst b/Documentation/input/devices/rotary-encoder.rst
index 810ae02bdaa0d..5865748c13b96 100644
--- 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);

...
--
2.30.1