linux-kernel - [PATCH v4 1/2] ASoC: dt-bindings: sound-card-common: List sound widgets ignoring system suspend

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Message-Id: <20231023020718.1276000-1-chancel.liu@nxp.com>
Date:   Mon, 23 Oct 2023 10:07:17 +0800
From:   Chancel Liu <chancel.liu@....com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        shengjiu.wang@...il.com, Xiubo.Lee@...il.com, festevam@...il.com,
        nicoleotsuka@...il.com, perex@...ex.cz, tiwai@...e.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Chancel Liu <chancel.liu@....com>
Subject: [PATCH v4 1/2] ASoC: dt-bindings: sound-card-common: List sound widgets ignoring system suspend

Add a property to list audio sound widgets which are marked ignoring
system suspend. Paths between these endpoints are still active over
suspend of the main application processor that the current operating
system is running.

Signed-off-by: Chancel Liu <chancel.liu@....com>
---
 .../devicetree/bindings/sound/sound-card-common.yaml       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/sound-card-common.yaml b/Documentation/devicetree/bindings/sound/sound-card-common.yaml
index 3a941177f684..721950f65748 100644
--- a/Documentation/devicetree/bindings/sound/sound-card-common.yaml
+++ b/Documentation/devicetree/bindings/sound/sound-card-common.yaml
@@ -17,6 +17,13 @@ properties:
       pair of strings, the first being the connection's sink, the second
       being the connection's source.
 
+  ignore-suspend-widgets:
+    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
+    description: |
+      A list of audio sound widgets which are marked ignoring system suspend.
+      Paths between these endpoints are still active over suspend of the main
+      application processor that the current operating system is running.
+
   model:
     $ref: /schemas/types.yaml#/definitions/string
     description: User specified audio sound card name
-- 
2.25.1