[alsa-devel] ASoC: no dapm match for AMIC

[Mark Brown]

On Tue, Nov 04, 2014 at 09:48:25AM -0200, Fabio Estevam wrote:

> I am running linux-next 20141104 on a imx6q-sabresd board and noticed
> the following error messages:

> [    2.145602] imx-wm8962 sound: wm8962 <-> 202c000.ssi mapping ok
> [    2.151654] imx-wm8962 sound: Connecting non-supply widget to
> supply widget is not supported (AMIC -> MICBIAS)
> [    2.161710] imx-wm8962 sound: ASoC: no dapm match for AMIC -->
> (null) --> MICBIAS
> [    2.169258] imx-wm8962 sound: ASoC: Failed to add route AMIC ->
> direct -> MICBIAS

> What would be the correct way to fix them?

At a guess you've got the route between the microphone and the bias for
it reversed; it's hard to tell without knowing anything about the
hardware.
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