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ASoC: Document wm8994 endpoints 

The wm8994 exposes several inputs and outputs that can be used by
machine drivers in their routing.  Add them to the documention so
they don't have been duplicated in any machine drivers bindings.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Link: https://lore.kernel.org/r/BN6PR04MB066019A8783D22F1C4A588B7A39F0@BN6PR04MB0660.namprd04.prod.outlook.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Jonathan Bakker 2020-06-14 13:24:09 -07:00 committed by Mark Brown
parent 7a3a7671fa
commit 3f2ec71cb8
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Documentation/devicetree/bindings/sound/wm8994.txt
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@ -68,6 +68,29 @@ Optional properties:
- wlf,csnaddr-pd : If present enable the internal pull-down resistor on
the CS/ADDR pin.
Pins on the device (for linking into audio routes):
* IN1LN
* IN1LP
* IN2LN
* IN2LP:VXRN
* IN1RN
* IN1RP
* IN2RN
* IN2RP:VXRP
* SPKOUTLP
* SPKOUTLN
* SPKOUTRP
* SPKOUTRN
* HPOUT1L
* HPOUT1R
* HPOUT2P
* HPOUT2N
* LINEOUT1P
* LINEOUT1N
* LINEOUT2P
* LINEOUT2N
Example:
wm8994: codec@1a {