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 <fido_max@inbox.ru>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87sexizojx.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index 28b27e7e45de6beb5037d6e7e3d616e3d4188294..d1cbfc5edd3ac30fd8affddff4458ed2d34bc603 100644 (file)
--- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
@@ -25,6 +25,15 @@ definitions:
       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:

diff --git a/include/dt-bindings/sound/audio-graph.h b/include/dt-bindings/sound/audio-graph.h
new file mode 100644 (file)
index 0000000..bdb70c6
--- /dev/null
+++ b/include/dt-bindings/sound/audio-graph.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * audio-graph.h
+ *
+ * Copyright (c) 2024 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ */
+#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 */