Merge "input: synaptics: add support for unprogrammed panels" (4b9033c7) · Commits · e / devices / android_kernel_sony_msm8994

Documentation/devicetree/bindings/input/touchscreen/synaptics_dsx_i2c.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,9 @@ These properties are defined only when synaptics,detect-device property is defin
		- synaptics,key-codes : Virtual key code mappings to be used when device
		supports 2D buttons and sends coordinates instead of
		key codes.
		- synaptics,bypass-sensor-coords-check : Bypass the comparison of sensor coordinates
		range read from DT and touch controller. Used when some
		touch panels in the field are unprogrammed and misprogrammed.

		Example:
		i2c@f9927000 {

+25 −1

Original line number	Diff line number	Diff line
		@@ -2604,9 +2604,33 @@ static int synaptics_rmi4_parse_dt_children(struct device *dev,
		rmi4_pdata->package_id, rmi->package_id);
		/*
		* Iterate over next child if package
		* does not match
		* id does not match
		*/
		continue;
		} else if (of_property_read_bool(child,
		"synaptics,bypass-sensor-coords-check")) {
		/*
		* Some unprogrammed panels from touch vendor
		* and wrongly programmed panels from factory
		* may return incorrect sensor coordinate range
		* when their query registers are read, but
		* they normally work fine in field. In such
		* a scenario, driver can bypass the comparison
		* of coordinate range read from sensor and read
		* from DT and continue normal operation.
		*/
		dev_info(dev,
		"%s Synaptics package id matches %d %d,"
		"but bypassing the comparison of sensor"
		"coordinates.\n", __func__,
		rmi4_pdata->package_id,
		rmi->package_id);
		dev_info(dev, "Pmax_x Pmax_y = %d:%d\n",
		rmi4_pdata->panel_maxx,
		rmi4_pdata->panel_maxy);
		dev_info(dev, "Smax_x Smax_y = %d:%d\n",
		rmi4_data->sensor_max_x,
		rmi4_data->sensor_max_y);
		} else {
		/*
		* If package id read from DT matches the