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@xxxxxxxx>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
.../bindings/sound/audio-graph-port.yaml | 9 +++++++
include/dt-bindings/sound/audio-graph.h | 26 +++++++++++++++++++
2 files changed, 35 insertions(+)
create mode 100644 include/dt-bindings/sound/audio-graph.h
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index 28b27e7e45de..d1cbfc5edd3a 100644
--- 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
index 000000000000..bdb70c6b7332
--- /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@xxxxxxxxxxx>
+ */
+#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 */
--
2.43.0
