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Input: ad714x - add support for the AD7143/8/7A parts

Browse source 
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>
This commit is contained in:
Barry Song 2010-03-21 23:23:29 -07:00 committed by Dmitry Torokhov
parent 31a6296333
commit 6c04d7b3cf
3 changed files with 29 additions and 10 deletions
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2
drivers/input/misc/Kconfig
View file

@ -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.

3
drivers/input/misc/ad714x-i2c.c
View file

@ -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);

34
drivers/input/misc/ad714x.c
View file

@ -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
@ -962,13 +964,6 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
switch (data & 0xFFF0) {
case AD7147_PARTID:
ad714x->product = 0x7147;
ad714x->version = data & 0xF;
dev_info(ad714x->dev, "found AD7147 captouch, rev:%d\n",
ad714x->version);
return 0;
case AD7142_PARTID:
ad714x->product = 0x7142;
ad714x->version = data & 0xF;
@ -976,6 +971,27 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
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(A) captouch, rev:%d\n",
ad714x->version);
return 0;
case AD7148_PARTID:
ad714x->product = 0x7148;
ad714x->version = data & 0xF;
dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
ad714x->version);
return 0;
default:
dev_err(ad714x->dev,
"fail to detect AD714X captouch, read ID is %04x\n",