From d5418ae3f9443f911d4324c0cade988ced39cfbe Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Fri, 13 Jul 2018 14:50:42 +0200 Subject: [PATCH] ASoC: add DT documentation for the sound-name-prefix property Signed-off-by: Jerome Brunet Signed-off-by: Mark Brown --- .../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"; +};