samples: peripheral_power_profiling: Fix the use of PM_DEVICE

Fixed the use of Device Power Management and
enabled Runtime Device Power Management.

Ref: NCSDK-30068

Signed-off-by: Marcin Jelinski <[email protected]>
(cherry picked from commit c7dc2fb)

Author: maje-emb

samples/bluetooth/peripheral_power_profiling/boards/nrf54l15dk_nrf54l15_cpuapp.conf

@@ -0,0 +1,8 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y

samples/bluetooth/peripheral_power_profiling/boards/nrf54l15dk_nrf54l15_cpuapp.overlay

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		/delete-property/ sw2;
+		/delete-property/ sw3;
+	};
+};
+
+/delete-node/ &button2;
+/delete-node/ &button3;
+
+&uart20 {
+	zephyr,pm-device-runtime-auto;
+};

samples/bluetooth/peripheral_power_profiling/prj.conf

@@ -29,7 +29,6 @@ CONFIG_FLASH_PAGE_LAYOUT=y
 CONFIG_FLASH_MAP=y
 
 CONFIG_POWEROFF=y
-CONFIG_PM_DEVICE=y
 
 CONFIG_MAIN_STACK_SIZE=2048
 

samples/bluetooth/peripheral_power_profiling/src/main.c

@@ -58,8 +58,6 @@
 
 #define NFC_BUFFER_SIZE 1024
 
-const struct device *const cons = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
-
 static struct bt_le_oob oob_local;
 static uint8_t tk_local[NFC_NDEF_LE_OOB_REC_TK_LEN];
 static uint8_t nfc_buffer[NFC_BUFFER_SIZE];
@@ -628,10 +626,16 @@ static void system_off(void)
 
 	dk_set_led_off(RUN_STATUS_LED);
 
-	int rc = pm_device_action_run(cons, PM_DEVICE_ACTION_SUSPEND);
+	if (IS_ENABLED(CONFIG_PM_DEVICE) && IS_ENABLED(CONFIG_SERIAL)) {
+		static const struct device *dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
+		int err;
+		enum pm_device_state state;
 
-	if (rc < 0) {
-		printk("Could not suspend console (%d)\n", rc);
+		if (dev) {
+			do {
+				err = pm_device_state_get(dev, &state);
+			} while ((err == 0) && (state == PM_DEVICE_STATE_ACTIVE));
+		}
 	}
 
 	sys_poweroff();
@@ -665,11 +669,6 @@ int main(void)
 
 	printk("Starting Bluetooth Power Profiling example\n");
 
-	if (!device_is_ready(cons)) {
-		printk("%s: device not ready.\n", cons->name);
-		return 0;
-	}
-
 	err = dk_buttons_init(button_handler);
 	if (err) {
 		printk("Failed to initialize buttons (err %d)\n", err);