device-xiaomi-santoni: Added (hacky) udev rule for jack detection.

device/device-xiaomi-santoni/90-device-xiaomi-santoni-audio.rules

-ATTRS{id}=="msm8920sku7sndc", RUN+="/usr/bin/alsaucm -c msm8920-sku7-snd-card set _verb HiFi set _enadev Headphones"
+# This udev rule is probably a workaround, udev doesn't care about the headphone jack input events :(
+# Perhaps we need a more better workaround, perhaps a daemon for jack detection?
+
+# Init
+ATTRS{id}=="msm8920sku7sndc", RUN+="/usr/bin/alsaucm -c msm8920-sku7-snd-card set _verb HiFi set _enadev Speaker"
+
+# Jack detection
+SUBSYSTEM=="switch",ATTRS{state}=="[1-4]",RUN+="/usr/bin/alsaucm -c msm8920-sku7-snd-card set _verb HiFi set _enadev Headphones"
+SUBSYSTEM=="switch",ATTRS{state}=="0",RUN+="/usr/bin/alsaucm -c msm8920-sku7-snd-card set _verb HiFi set _enadev Speaker"

device/device-xiaomi-santoni/APKBUILD

@@ -54,7 +54,7 @@ nonfree_firmware() {
 }
 
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