[nrf fromlist] samples: uac2_explicit_feedback: align to nrfx_gpiote with extracted cb

GPIOTE driver instances are no longer defined within nrfx.

Upstream PR #: 98527

Signed-off-by: Nikodem Kastelik <[email protected]>

Author: nika-nordic

samples/subsys/usb/uac2_explicit_feedback/src/feedback_nrf.c

@@ -10,6 +10,7 @@
 
 #include <nrfx_dppi.h>
 #include <nrfx_gpiote.h>
+#include <gpiote_nrfx.h>
 #include <nrfx_timer.h>
 #include <hal/nrf_gpio.h>
 #include <helpers/nrfx_gppi.h>
@@ -60,8 +61,7 @@ static inline void feedback_target_init(void)
 #error "Unsupported target"
 #endif
 
-static const nrfx_gpiote_t gpiote =
-	NRFX_GPIOTE_INSTANCE(FEEDBACK_GPIOTE_INSTANCE_NUMBER);
+#define FEEDBACK_GPIOTE_NODE DT_NODELABEL(UTIL_CAT(gpiote, FEEDBACK_GPIOTE_INSTANCE_NUMBER))
 
 static nrfx_timer_t feedback_timer_instance =
 	NRFX_TIMER_INSTANCE(NRF_TIMER_INST_GET(FEEDBACK_TIMER_INSTANCE_NUMBER));
@@ -123,6 +123,7 @@ static nrfx_err_t feedback_edge_counter_setup(void)
 	nrfx_err_t err;
 	uint8_t feedback_gpiote_channel;
 	uint8_t feedback_gppi_channel;
+	nrfx_gpiote_t *gpiote = &GPIOTE_NRFX_INST_BY_NODE(FEEDBACK_GPIOTE_NODE);
 	nrfx_gpiote_trigger_config_t trigger_config = {
 		.trigger = NRFX_GPIOTE_TRIGGER_TOGGLE,
 		.p_in_channel = &feedback_gpiote_channel,
@@ -133,13 +134,13 @@ static nrfx_err_t feedback_edge_counter_setup(void)
 		.p_trigger_config = &trigger_config,
 	};
 
-	err = nrfx_gpiote_channel_alloc(&gpiote, &feedback_gpiote_channel);
-	if (err != NRFX_SUCCESS) {
-		return err;
+	err = nrfx_gpiote_channel_alloc(gpiote, &feedback_gpiote_channel);
+	if (err != 0) {
+		return NRFX_ERROR_NO_MEM;
 	}
 
-	nrfx_gpiote_input_configure(&gpiote, FEEDBACK_PIN, &input_pin_config);
-	nrfx_gpiote_trigger_enable(&gpiote, FEEDBACK_PIN, false);
+	nrfx_gpiote_input_configure(gpiote, FEEDBACK_PIN, &input_pin_config);
+	nrfx_gpiote_trigger_enable(gpiote, FEEDBACK_PIN, false);
 
 	/* Configure TIMER in COUNTER mode */
 	const nrfx_timer_config_t cfg = {
@@ -164,7 +165,7 @@ static nrfx_err_t feedback_edge_counter_setup(void)
 	}
 
 	nrfx_gppi_channel_endpoints_setup(feedback_gppi_channel,
-		nrfx_gpiote_in_event_address_get(&gpiote, FEEDBACK_PIN),
+		nrfx_gpiote_in_event_address_get(gpiote, FEEDBACK_PIN),
 		nrfx_timer_task_address_get(&feedback_timer_instance, NRF_TIMER_TASK_COUNT));
 
 	nrfx_gppi_channels_enable(BIT(feedback_gppi_channel));