3 files changed, 18 insertions, 16 deletions

diff --git a/app/include/drivers/behavior.h b/app/include/drivers/behavior.h
index 56ff7af..bc135fd 100644
--- a/app/include/drivers/behavior.h
+++ b/app/include/drivers/behavior.h
@@ -23,7 +23,8 @@
 typedef int (*behavior_keymap_binding_callback_t)(struct zmk_behavior_binding *binding,
                                                   struct zmk_behavior_binding_event event);
 typedef int (*behavior_sensor_keymap_binding_callback_t)(struct zmk_behavior_binding *binding,
-                                                         struct device *sensor, int64_t timestamp);
+                                                         const struct device *sensor,
+                                                         int64_t timestamp);
 
 __subsystem struct behavior_driver_api {
     behavior_keymap_binding_callback_t binding_pressed;
@@ -48,7 +49,7 @@ __syscall int behavior_keymap_binding_pressed(struct zmk_behavior_binding *bindi
 
 static inline int z_impl_behavior_keymap_binding_pressed(struct zmk_behavior_binding *binding,
                                                          struct zmk_behavior_binding_event event) {
-    struct device *dev = device_get_binding(binding->behavior_dev);
+    const struct device *dev = device_get_binding(binding->behavior_dev);
     const struct behavior_driver_api *api = (const struct behavior_driver_api *)dev->api;
 
     if (api->binding_pressed == NULL) {
@@ -71,7 +72,7 @@ __syscall int behavior_keymap_binding_released(struct zmk_behavior_binding *bind
 
 static inline int z_impl_behavior_keymap_binding_released(struct zmk_behavior_binding *binding,
                                                           struct zmk_behavior_binding_event event) {
-    struct device *dev = device_get_binding(binding->behavior_dev);
+    const struct device *dev = device_get_binding(binding->behavior_dev);
     const struct behavior_driver_api *api = (const struct behavior_driver_api *)dev->api;
 
     if (api->binding_released == NULL) {
@@ -92,12 +93,13 @@ static inline int z_impl_behavior_keymap_binding_released(struct zmk_behavior_bi
  * @retval Negative errno code if failure.
  */
 __syscall int behavior_sensor_keymap_binding_triggered(struct zmk_behavior_binding *binding,
-                                                       struct device *sensor, int64_t timestamp);
+                                                       const struct device *sensor,
+                                                       int64_t timestamp);
 
 static inline int
 z_impl_behavior_sensor_keymap_binding_triggered(struct zmk_behavior_binding *binding,
-                                                struct device *sensor, int64_t timestamp) {
-    struct device *dev = device_get_binding(binding->behavior_dev);
+                                                const struct device *sensor, int64_t timestamp) {
+    const struct device *dev = device_get_binding(binding->behavior_dev);
     const struct behavior_driver_api *api = (const struct behavior_driver_api *)dev->api;
 
     if (api->sensor_binding_triggered == NULL) {
diff --git a/app/include/drivers/ext_power.h b/app/include/drivers/ext_power.h
index ddc85a3..b422750 100644
--- a/app/include/drivers/ext_power.h
+++ b/app/include/drivers/ext_power.h
@@ -22,9 +22,9 @@ extern "C" {
  * (Internal use only.)
  */
 
-typedef int (*ext_power_enable_t)(struct device *dev);
-typedef int (*ext_power_disable_t)(struct device *dev);
-typedef int (*ext_power_get_t)(struct device *dev);
+typedef int (*ext_power_enable_t)(const struct device *dev);
+typedef int (*ext_power_disable_t)(const struct device *dev);
+typedef int (*ext_power_get_t)(const struct device *dev);
 
 __subsystem struct ext_power_api {
     ext_power_enable_t enable;
@@ -42,9 +42,9 @@ __subsystem struct ext_power_api {
  * @retval 0 If successful.
  * @retval Negative errno code if failure.
  */
-__syscall int ext_power_enable(struct device *dev);
+__syscall int ext_power_enable(const struct device *dev);
 
-static inline int z_impl_ext_power_enable(struct device *dev) {
+static inline int z_impl_ext_power_enable(const struct device *dev) {
     const struct ext_power_api *api = (const struct ext_power_api *)dev->api;
 
     if (api->enable == NULL) {
@@ -61,9 +61,9 @@ static inline int z_impl_ext_power_enable(struct device *dev) {
  * @retval 0 If successful.
  * @retval Negative errno code if failure.
  */
-__syscall int ext_power_disable(struct device *dev);
+__syscall int ext_power_disable(const struct device *dev);
 
-static inline int z_impl_ext_power_disable(struct device *dev) {
+static inline int z_impl_ext_power_disable(const struct device *dev) {
     const struct ext_power_api *api = (const struct ext_power_api *)dev->api;
 
     if (api->disable == NULL) {
@@ -81,9 +81,9 @@ static inline int z_impl_ext_power_disable(struct device *dev) {
  * @retval 1 if ext power is enabled.
  * @retval Negative errno code if failure.
  */
-__syscall int ext_power_get(struct device *dev);
+__syscall int ext_power_get(const struct device *dev);
 
-static inline int z_impl_ext_power_get(struct device *dev) {
+static inline int z_impl_ext_power_get(const struct device *dev) {
     const struct ext_power_api *api = (const struct ext_power_api *)dev->api;
 
     if (api->get == NULL) {
diff --git a/app/include/zmk/events/sensor-event.h b/app/include/zmk/events/sensor-event.h
index d1d72f4..0bd3ccf 100644
--- a/app/include/zmk/events/sensor-event.h
+++ b/app/include/zmk/events/sensor-event.h
@@ -13,7 +13,7 @@
 struct sensor_event {
     struct zmk_event_header header;
     uint8_t sensor_number;
-    struct device *sensor;
+    const struct device *sensor;
     int64_t timestamp;
 };