From 6c04d7b3cf50a393f07f22a661d05d15db5dc6f6 Mon Sep 17 00:00:00 2001
From: Barry Song <barry.song@analog.com>
Date: Sun, 21 Mar 2010 23:23:29 -0700
Subject: [PATCH] Input: ad714x - add support for the AD7143/8/7A parts
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/input/misc/Kconfig | 2 +-
drivers/input/misc/ad714x-i2c.c | 3 +++
drivers/input/misc/ad714x.c | 28 ++++++++++++++++++++++------
3 files changed, 26 insertions(+), 7 deletions(-)
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index a4b9dc5cf456..48cdabec372a 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -25,7 +25,7 @@ config INPUT_88PM860X_ONKEY
config INPUT_AD714X
tristate "Analog Devices AD714x Capacitance Touch Sensor"
help
- Say Y here if you want to support an AD7142/AD7147 touch sensor.
+ Say Y here if you want to support an AD7142/3/7/8/7A touch sensor.
You should select a bus connection too.
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
index a2cb6b426dc7..e9adbe49f6a4 100644
--- a/drivers/input/misc/ad714x-i2c.c
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -104,7 +104,10 @@ static int __devexit ad714x_i2c_remove(struct i2c_client *client)
static const struct i2c_device_id ad714x_id[] = {
{ "ad7142_captouch", 0 },
+ { "ad7143_captouch", 0 },
{ "ad7147_captouch", 0 },
+ { "ad7147a_captouch", 0 },
+ { "ad7148_captouch", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ad714x_id);
diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c
index 691b1d37331f..0fe27baf5e72 100644
--- a/drivers/input/misc/ad714x.c
+++ b/drivers/input/misc/ad714x.c
@@ -1,5 +1,5 @@
/*
- * AD714X CapTouch Programmable Controller driver
+ * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
*
* Copyright 2009 Analog Devices Inc.
*
@@ -18,8 +18,10 @@
#define AD714X_STG_CAL_EN_REG 0x1
#define AD714X_AMB_COMP_CTRL0_REG 0x2
#define AD714X_PARTID_REG 0x17
-#define AD7147_PARTID 0x1470
#define AD7142_PARTID 0xE620
+#define AD7143_PARTID 0xE630
+#define AD7147_PARTID 0x1470
+#define AD7148_PARTID 0x1480
#define AD714X_STAGECFG_REG 0x80
#define AD714X_SYSCFG_REG 0x0
@@ -962,17 +964,31 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
switch (data & 0xFFF0) {
+ case AD7142_PARTID:
+ ad714x->product = 0x7142;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7143_PARTID:
+ ad714x->product = 0x7143;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7143 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
case AD7147_PARTID:
ad714x->product = 0x7147;
ad714x->version = data & 0xF;
- dev_info(ad714x->dev, "found AD7147 captouch, rev:%d\n",
+ dev_info(ad714x->dev, "found AD7147(A) captouch, rev:%d\n",
ad714x->version);
return 0;
- case AD7142_PARTID:
- ad714x->product = 0x7142;
+ case AD7148_PARTID:
+ ad714x->product = 0x7148;
ad714x->version = data & 0xF;
- dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
+ dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
ad714x->version);
return 0;
--
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