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@xxxxxxxxx> --- arch/arm/boot/dts/tegra20-acer-a500-picasso.dts | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index 2298fc034183..d7d97b7e4794 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -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 */ -- 2.30.2