Input: wm9713 - support five wire panels (43f83a8f) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/input/touchscreen/wm9713.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -84,6 +84,15 @@ static int delay = 4;
		module_param(delay, int, 0);
		MODULE_PARM_DESC(delay, "Set adc sample delay.");

		/*
		* Set five_wire = 1 to use a 5 wire touchscreen.
		*
		* NOTE: Five wire mode does not allow for readback of pressure.
		*/
		static int five_wire;
		module_param(five_wire, int, 0);
		MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");

		/*
		* Set adc mask function.
		*
		@@ -162,6 +171,19 @@ static void wm9713_phy_init(struct wm97xx *wm)
		64000 / rpu);
		}

		/* Five wire panel? */
		if (five_wire) {
		dig3 \|= WM9713_45W;
		dev_info(wm->dev, "setting 5-wire touchscreen mode.");

		if (pil) {
		dev_warn(wm->dev,
		"Pressure measurement not supported in 5 "
		"wire mode, disabling\n");
		pil = 0;
		}
		}

		/* touchpanel pressure */
		if (pil == 2) {
		dig3 \|= WM9712_PIL;

+1 −0

Original line number	Diff line number	Diff line
		@@ -100,6 +100,7 @@
		#define WM9713_ADCSEL_Y 0x0004 /* Y measurement */
		#define WM9713_ADCSEL_PRES 0x0008 /* Pressure measurement */
		#define WM9713_COO 0x0001 /* enable coordinate mode */
		#define WM9713_45W 0x1000 /* set for 5 wire panel */
		#define WM9713_PDEN 0x0800 /* measure only when pen down */
		#define WM9713_ADCSEL_MASK 0x00fe /* ADC selection mask */
		#define WM9713_WAIT 0x0200 /* coordinate wait */