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From f6b560538edca833481c1d67ecf3cfe2d65c4018 Mon Sep 17 00:00:00 2001
From: Eric Nelson <eric.nelson@boundarydevices.com>
Date: Wed, 29 Aug 2012 21:50:30 -0700
Subject: [PATCH] egalax_ts: Add support for single-touch in Kconfig
Upstream-Status: Pending
---
drivers/input/touchscreen/Kconfig | 10 ++++++++++
drivers/input/touchscreen/egalax_ts.c | 7 ++++---
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index c00ab79..311bd4d 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -199,6 +199,16 @@ config TOUCHSCREEN_ELAN
To compile this driver as a module, choose M here: the
module will be called elan-touch.
+config TOUCHSCREEN_EGALAX_SINGLE_TOUCH
+ bool "EETI eGalax touchscreen as single-touch"
+ default N
+ depends on TOUCHSCREEN_EGALAX
+ help
+ If you say yes here you get single-touch touchscreen support
+ on the eGalax I2C controller.
+ If you say "no", you'll get the normal multi-touch.
+
+
config TOUCHSCREEN_FUJITSU
tristate "Fujitsu serial touchscreen"
select SERIO
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index fff8afe..0b6cde7 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -139,7 +139,7 @@ retry:
events[id].x = x;
events[id].y = y;
-#ifdef FORCE_SINGLE_POINTER_SUPPORT
+#ifdef CONFIG_TOUCHSCREEN_EGALAX_SINGLE_TOUCH
input_report_abs(input_dev, ABS_X, x);
input_report_abs(input_dev, ABS_Y, y);
input_event(data->input_dev, EV_KEY, BTN_TOUCH, 1);
@@ -166,7 +166,7 @@ retry:
dev_dbg(&client->dev, "release id:%d\n", id);
events[id].valid = 0;
events[id].status = 0;
-#ifdef FORCE_SINGLE_POINTER_SUPPORT
+#ifdef CONFIG_TOUCHSCREEN_EGALAX_SINGLE_TOUCH
input_report_key(input_dev, BTN_TOUCH, 0);
input_report_abs(input_dev, ABS_PRESSURE, 0);
#else
@@ -256,8 +256,9 @@ static int __devinit egalax_ts_probe(struct i2c_client *client,
__set_bit(ABS_PRESSURE, input_dev->absbit);
input_set_abs_params(input_dev, ABS_X, 0, 32767, 0, 0);
input_set_abs_params(input_dev, ABS_Y, 0, 32767, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 1, 0, 0);
-#ifndef FORCE_SINGLE_POINTER_SUPPORT
+#ifndef CONFIG_TOUCHSCREEN_EGALAX_SINGLE_TOUCH
input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, 32767, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, 32767, 0, 0);
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
--
1.7.9.5
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