ASoC: audio-graph-port: add link-trigger-order

Sound Card need to consider/adjust HW control ordering based on the
combination of CPU/Codec. The controlling feature is already supported
on ASoC, but Simple Audio Card / Audio Graph Card still not support it.
Let's support it.

Cc: Maxim Kochetkov <[e-mail]>
Signed-off-by: Kuninori Morimoto <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/sound/audio-graph-port.yaml

···
       capture-only:
         description: port connection used only for capture
         $ref: /schemas/types.yaml#/definitions/flag
+      link-trigger-order:
+        description: trigger order for both start/stop
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+      link-trigger-order-start:
+        description: trigger order for start
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+      link-trigger-order-stop:
+        description: trigger order for stop
+        $ref: /schemas/types.yaml#/definitions/uint32-array
 
   endpoint-base:
     allOf:

include/dt-bindings/sound/audio-graph.h

···
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * audio-graph.h
+ *
+ * Copyright (c) 2024 Kuninori Morimoto <[e-mail]>
+ */
+#ifndef __AUDIO_GRAPH_H
+#define __AUDIO_GRAPH_H
+
+/*
+ * used in
+ *	link-trigger-order
+ *	link-trigger-order-start
+ *	link-trigger-order-stop
+ *
+ * default is
+ *	link-trigger-order = <SND_SOC_TRIGGER_LINK
+ *			      SND_SOC_TRIGGER_COMPONENT
+ *			      SND_SOC_TRIGGER_DAI>;
+ */
+#define SND_SOC_TRIGGER_LINK		0
+#define SND_SOC_TRIGGER_COMPONENT	1
+#define SND_SOC_TRIGGER_DAI		2
+#define SND_SOC_TRIGGER_SIZE		3	/* shoud be last */
+
+#endif /* __AUDIO_GRAPH_H */