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Message-Id: <20180713125043.13242-2-jbrunet@baylibre.com>
Date: Fri, 13 Jul 2018 14:50:42 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Mark Brown <broonie@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>
Cc: Jerome Brunet <jbrunet@...libre.com>, alsa-devel@...a-project.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ASoC: add DT documentation for the sound-name-prefix property
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
.../devicetree/bindings/sound/name-prefix.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/name-prefix.txt
diff --git a/Documentation/devicetree/bindings/sound/name-prefix.txt b/Documentation/devicetree/bindings/sound/name-prefix.txt
new file mode 100644
index 000000000000..645775908657
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/name-prefix.txt
@@ -0,0 +1,24 @@
+Name prefix:
+
+Card implementing the routing property define the connection between
+audio components as list of string pair. Component using the same
+sink/source names may use the name prefix property to prepend the
+name of their sinks/sources with the provided string.
+
+Optional name prefix property:
+- sound-name-prefix : string using as prefix for the sink/source names of
+ the component.
+
+Example: Two instances of the same component.
+
+amp0: analog-amplifier@0 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpio GPIOH_3 0>;
+ sound-name-prefix = "FRONT";
+};
+
+amp1: analog-amplifier@1 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpio GPIOH_4 0>;
+ sound-name-prefix = "BACK";
+};
--
2.14.4
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