shell: device: show PM state in device list

Show current power management state in the list of devices, which is helpful during PM debugging. Signed-off-by: Marcin Niestroj <[email protected]>
zephyrproject-rtos · Feb 2, 2020 · 4f16268 · 4f16268
1 parent 2140949
commit 4f16268
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/subsys/shell/modules/device_service.c b/subsys/shell/modules/device_service.c
@@ -86,8 +86,19 @@ static int cmd_device_list(const struct shell *shell,
 	shell_fprintf(shell, SHELL_NORMAL, "devices:\n");
 	for (info = __device_init_start; info != __device_init_end; info++) {
 		if (info->driver_api != NULL) {
-			shell_fprintf(shell, SHELL_NORMAL, "- %s\n",
+			shell_fprintf(shell, SHELL_NORMAL, "- %s",
 					info->config->name);
+#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
+			u32_t state = DEVICE_PM_ACTIVE_STATE;
+			int err;
+
+			err = device_get_power_state(info, &state);
+			if (!err) {
+				shell_fprintf(shell, SHELL_NORMAL, " (%s)",
+					      device_pm_state_str(state));
+			}
+#endif /* CONFIG_DEVICE_POWER_MANAGEMENT */
+			shell_fprintf(shell, SHELL_NORMAL, "\n");
 		}
 	}