[alsa-devel] [PATCHv2] ASoC: omap: rx51: Add earphone support

Liam Girdwood lrg at slimlogic.co.uk
Tue Feb 1 14:59:59 CET 2011

On Mon, 2011-01-31 at 14:43 +0200, Jarkko Nikula wrote:
> Earphone in Nokia RX-51/N900 is connected to left HP output of B part of the
> TLV320AIC34 dual codec. In RX-51 the codec A is used as a traditional codec
> and the codec B as an auxiliary device.
> Audio from codec A goes via the codec B to earphone:
> MONO_LOUT of A -> LINE2R of B (B interconnects) -> HPLOUT of B -> Earphone.
> Take earphone into use by utilizing the recent ASoC auxiliary and
> cross-device support.
> Signed-off-by: Jarkko Nikula <jhnikula at gmail.com>
> ---
> v2: Uses SOC_DAPM_PIN_SWITCH for implementing the "Earphone" widget and
> kcontrol.



Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.

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