diff options
| author | Derek Fang <derek.fang@realtek.com> | 2024-04-08 11:10:57 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-04-09 17:40:49 +0200 |
| commit | 306b38e3fa727d22454a148a364123709e356600 (patch) | |
| tree | e036205c40b57c948549038624dd9bac89105f46 /Documentation | |
| parent | ASoC: rt5645: Fix the electric noise due to the CBJ contacts floating (diff) | |
| download | linux-306b38e3fa727d22454a148a364123709e356600.tar.xz linux-306b38e3fa727d22454a148a364123709e356600.zip | |
ASoC: dt-bindings: rt5645: add cbj sleeve gpio property
Add an optional gpio property to control external CBJ circuits
to avoid some electric noise caused by sleeve/ring2 contacts floating.
Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://msgid.link/r/20240408091057.14165-2-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rt5645.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5645.txt b/Documentation/devicetree/bindings/sound/rt5645.txt index 41a62fd2ae1f..c1fa379f5f3e 100644 --- a/Documentation/devicetree/bindings/sound/rt5645.txt +++ b/Documentation/devicetree/bindings/sound/rt5645.txt @@ -20,6 +20,11 @@ Optional properties: a GPIO spec for the external headphone detect pin. If jd-mode = 0, we will get the JD status by getting the value of hp-detect-gpios. +- cbj-sleeve-gpios: + a GPIO spec to control the external combo jack circuit to tie the sleeve/ring2 + contacts to the ground or floating. It could avoid some electric noise from the + active speaker jacks. + - realtek,in2-differential Boolean. Indicate MIC2 input are differential, rather than single-ended. @@ -68,6 +73,7 @@ codec: rt5650@1a { compatible = "realtek,rt5650"; reg = <0x1a>; hp-detect-gpios = <&gpio 19 0>; + cbj-sleeve-gpios = <&gpio 20 0>; interrupt-parent = <&gpio>; interrupts = <7 IRQ_TYPE_EDGE_FALLING>; realtek,dmic-en = "true"; |