Fix some comments

hassio/api/hardware.py

@@ -0,0 +1,34 @@
+"""Init file for HassIO hardware rest api."""
+import logging
+
+from .utils import api_process
+from ..const import (
+    ATTR_SERIAL, ATTR_DISK, ATTR_GPIO, ATTR_AUDIO, ATTR_INPUT, ATTR_OUTPUT)
+from ..coresys import CoreSysAttributes
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class APIHardware(CoreSysAttributes):
+    """Handle rest api for hardware functions."""
+
+    @api_process
+    async def info(self, request):
+        """Show hardware info."""
+        return {
+            ATTR_SERIAL: list(self._hardware.serial_devices),
+            ATTR_INPUT: list(self._hardware.input_devices),
+            ATTR_DISK: list(self._hardware.disk_devices),
+            ATTR_GPIO: list(self._hardware.gpio_devices),
+            ATTR_AUDIO: self._hardware.audio_devices,
+        }
+
+    @api_process
+    async def audio(self, request):
+        """Show ALSA audio devices."""
+        return {
+            ATTR_AUDIO: {
+                ATTR_INPUT: self._audio.input_devices,
+                ATTR_OUTPUT: self._audio.output_devices,
+            }
+        }