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ARM: tegra: acer-a500: Improve microphone detection

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Use edge-triggered interrupt and set delay to 100ms for microphone hook
detection. This doesn't fix any known problems, but there is a smaller
chance to miss insertion of the microphone now, which previously happened
rarely.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko
2021-05-10 23:25:51 +03:00
committed by Thierry Reding
parent 6efb943b86
commit ef3082db43
1 changed files with 4 additions and 1 deletions
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5
arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
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@@ -420,11 +420,14 @@ wm8903: audio-codec@1a {
reg = <0x1a>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;
interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_EDGE_BOTH>;
gpio-controller;
#gpio-cells = <2>;
micdet-cfg = <0>;
micdet-delay = <100>;
gpio-cfg = <
0x0000 /* MIC_LR_OUT# GPIO, output, low */
0x0000 /* FM2018-enable GPIO, output, low */