Add a default profile capability

Not all devices allow setting a default profile, make it a capability

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/driver-etekcity.c

@@ -262,6 +262,8 @@ etekcity_has_capability(const struct ratbag_device *device,
 	case RATBAG_DEVICE_CAP_BUTTON_KEY:
 	case RATBAG_DEVICE_CAP_BUTTON_MACROS:
 		return 1;
+	case RATBAG_DEVICE_CAP_DEFAULT_PROFILE:
+		return 0;
 	}
 	return 0;
 }

src/driver-hidpp10.c

@@ -104,6 +104,7 @@ hidpp10drv_has_capability(const struct ratbag_device *device,
 	case RATBAG_DEVICE_CAP_SWITCHABLE_RESOLUTION:
 	case RATBAG_DEVICE_CAP_BUTTON_KEY:
 	case RATBAG_DEVICE_CAP_BUTTON_MACROS:
+	case RATBAG_DEVICE_CAP_DEFAULT_PROFILE:
 		return (device->num_profiles > 1);
 	}
 	return 0;

src/driver-hidpp20.c

@@ -149,6 +149,7 @@ hidpp20drv_has_capability(const struct ratbag_device *device,
 		return !!(drv_data->capabilities & HIDPP_CAP_BUTTON_KEY_1b04);
 	case RATBAG_DEVICE_CAP_SWITCHABLE_PROFILE:
 	case RATBAG_DEVICE_CAP_BUTTON_MACROS:
+	case RATBAG_DEVICE_CAP_DEFAULT_PROFILE:
 		return 0;
 	}
 	return 0;

src/libratbag.h

@@ -435,6 +435,14 @@ enum ratbag_device_capability {
 	 * The device supports user-defined key or button sequences.
 	 */
 	RATBAG_DEVICE_CAP_BUTTON_MACROS,
+
+	/**
+	 * The device can have one profile assigned as a default profile.
+	 * A default profile is the profile that is selected when the device
+	 * is plugged in. Devices without this capability may select the
+	 * last-used profile or a specific profile (usually the first).
+	 */
+	RATBAG_DEVICE_CAP_DEFAULT_PROFILE,
 };
 
 /**