Commit ef3082db authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
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ARM: tegra: acer-a500: Improve microphone detection 



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: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 6efb943b

arch/arm/boot/dts/tegra20-acer-a500-picasso.dts

+4 −1
Original line number Diff line number Diff line
@@ -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 */