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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>
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31a6296333
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3 changed files with 29 additions and 10 deletions
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@ -25,7 +25,7 @@ config INPUT_88PM860X_ONKEY
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config INPUT_AD714X
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tristate "Analog Devices AD714x Capacitance Touch Sensor"
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help
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Say Y here if you want to support an AD7142/AD7147 touch sensor.
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Say Y here if you want to support an AD7142/3/7/8/7A touch sensor.
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You should select a bus connection too.
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@ -104,7 +104,10 @@ static int __devexit ad714x_i2c_remove(struct i2c_client *client)
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static const struct i2c_device_id ad714x_id[] = {
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{ "ad7142_captouch", 0 },
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{ "ad7143_captouch", 0 },
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{ "ad7147_captouch", 0 },
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{ "ad7147a_captouch", 0 },
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{ "ad7148_captouch", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, ad714x_id);
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@ -1,5 +1,5 @@
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/*
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* AD714X CapTouch Programmable Controller driver
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* AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
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*
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* Copyright 2009 Analog Devices Inc.
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*
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@ -18,8 +18,10 @@
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#define AD714X_STG_CAL_EN_REG 0x1
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#define AD714X_AMB_COMP_CTRL0_REG 0x2
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#define AD714X_PARTID_REG 0x17
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#define AD7147_PARTID 0x1470
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#define AD7142_PARTID 0xE620
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#define AD7143_PARTID 0xE630
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#define AD7147_PARTID 0x1470
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#define AD7148_PARTID 0x1480
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#define AD714X_STAGECFG_REG 0x80
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#define AD714X_SYSCFG_REG 0x0
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@ -962,13 +964,6 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
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ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
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switch (data & 0xFFF0) {
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case AD7147_PARTID:
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ad714x->product = 0x7147;
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ad714x->version = data & 0xF;
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dev_info(ad714x->dev, "found AD7147 captouch, rev:%d\n",
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ad714x->version);
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return 0;
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case AD7142_PARTID:
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ad714x->product = 0x7142;
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ad714x->version = data & 0xF;
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@ -976,6 +971,27 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
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ad714x->version);
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return 0;
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case AD7143_PARTID:
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ad714x->product = 0x7143;
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ad714x->version = data & 0xF;
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dev_info(ad714x->dev, "found AD7143 captouch, rev:%d\n",
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ad714x->version);
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return 0;
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case AD7147_PARTID:
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ad714x->product = 0x7147;
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ad714x->version = data & 0xF;
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dev_info(ad714x->dev, "found AD7147(A) captouch, rev:%d\n",
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ad714x->version);
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return 0;
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case AD7148_PARTID:
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ad714x->product = 0x7148;
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ad714x->version = data & 0xF;
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dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
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ad714x->version);
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return 0;
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default:
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dev_err(ad714x->dev,
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"fail to detect AD714X captouch, read ID is %04x\n",
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