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Support headset on Tegra boards that use WM8903

Dmitry Osipenko alsa-devel linux-devicetree linux-tegra lkml 1 version In review

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  1. v1 Latest2 patches 8 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2dt-bindings: sound: tegra-wm8903: Document new nvidia,headset propertyDocumentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt+1 -02 replies
2/2ASoC: tegra: tegra_wm8903: Support nvidia,headset propertysound/soc/tegra/tegra_wm8903.c+5 -11 reply

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PatchRob Herring
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Read the v1 thread

Cover letter [PATCH v1 0/2] Support headset on Tegra boards that use WM8903

Hello,

Some devices have a 4-pin jack instead of a 3-pin and currently the WM8903 configuration is hardcoded to the case of 3-pin jack in the Tegra's ASoC driver. A new device-tree property is required in order to convey that hardware has a 4-pin jack, and thus, microphone's detection needs to be done in a different way.

In particular this is needed for Acer A500 tablet device that has a 4-pin headset jack, otherwise userspace sees headset instead of headphones and internal microphone isn't enabled by ALSA UCM rule when it should be. Please review and apply, thanks in advance.

Dmitry Osipenko (2):
dt-bindings: sound: tegra-wm8903: Document new nvidia,headset property
ASoC: tegra: tegra_wm8903: Support nvidia,headset property

 .../devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt | 1 +
 sound/soc/tegra/tegra_wm8903.c                              | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)
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2.25.1