D43321.id.diff
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	diff --git a/sys/arm/ti/ti_adc.c b/sys/arm/ti/ti_adc.c
	--- a/sys/arm/ti/ti_adc.c
	+++ b/sys/arm/ti/ti_adc.c
	@@ -463,6 +463,8 @@
	for (i = sc->sc_coord_readouts + 2 + start; i < sc->sc_coord_readouts + 2 + end; i++)
	x += data[i];
	x /= (end - start);
	+ if (sc->sc_x_inverted)
	+ x = 4096 - x;

	#ifdef DEBUG_TSC
	device_printf(sc->sc_dev, "touchscreen x: %d, y: %d\n", x, y);
	@@ -758,6 +760,7 @@

	node = ofw_bus_get_node(dev);

	+ sc->sc_x_inverted = false;
	sc->sc_tsc_wires = 0;
	sc->sc_coord_readouts = 1;
	sc->sc_x_plate_resistance = 0;
	@@ -765,6 +768,8 @@
	/* Read "tsc" node properties */
	child = ofw_bus_find_child(node, "tsc");
	if (child != 0 && OF_hasprop(child, "ti,wires")) {
	+ if (OF_hasprop(child, "freebsd,x-inverted"))
	+ sc->sc_x_inverted = true;
	if ((OF_getencprop(child, "ti,wires", &cell, sizeof(cell))) > 0)
	sc->sc_tsc_wires = cell;
	if ((OF_getencprop(child, "ti,coordinate-readouts", &cell,
	diff --git a/sys/arm/ti/ti_adcvar.h b/sys/arm/ti/ti_adcvar.h
	--- a/sys/arm/ti/ti_adcvar.h
	+++ b/sys/arm/ti/ti_adcvar.h
	@@ -53,6 +53,7 @@
	int sc_yn_bit, sc_yn_inp;
	uint32_t sc_tsc_enabled;
	int sc_pen_down;
	+ bool sc_x_inverted;
	#ifdef EVDEV_SUPPORT
	int sc_x;
	int sc_y;