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From 68e4eb5c9690531fa04cc9e0621854b03369d78b Mon Sep 17 00:00:00 2001
From: Gregoire Gentil <gregoire@gentil.com>
Date: Fri, 12 Mar 2010 13:50:52 +0100
Subject: [PATCH 07/16] ads7846: add settling delay to pdata
---
drivers/input/touchscreen/ads7846.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 56b0ffd..1d9f97c 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -515,6 +515,26 @@ static ssize_t show_x_plate_ohms(struct device *dev, struct device_attribute *at
return sprintf(buf, "%u\n", ts->x_plate_ohms);
}
+static ssize_t show_settle_delay_usecs(struct device *dev, struct device_attribute *attr, char *buf) {
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ struct ads7846_platform_data *pdata = ts->spi->dev.platform_data;
+
+ return sprintf(buf, "%u\n", pdata->settle_delay_usecs);
+}
+
+static ssize_t write_settle_delay_usecs(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ struct ads7846_platform_data *pdata = ts->spi->dev.platform_data;
+
+ unsigned long i;
+
+ if (strict_strtoul(buf, 10, &i))
+ return -EINVAL;
+
+ pdata->settle_delay_usecs = i;
+ return count;
+}
+
static ssize_t write_debounce_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
struct ads7846 *ts = dev_get_drvdata(dev);
unsigned long i;
@@ -563,6 +583,7 @@ static DEVICE_ATTR(debounce_max, S_IRUGO | S_IWUGO, show_debounce_max, write_deb
static DEVICE_ATTR(debounce_tol, S_IRUGO | S_IWUGO, show_debounce_tol, write_debounce_tol);
static DEVICE_ATTR(debounce_rep, S_IRUGO | S_IWUGO, show_debounce_rep, write_debounce_rep);
static DEVICE_ATTR(x_plate_ohms, S_IRUGO | S_IWUGO, show_x_plate_ohms, write_x_plate_ohms);
+static DEVICE_ATTR(settle_delay_usecs, S_IRUGO | S_IWUGO, show_settle_delay_usecs, write_settle_delay_usecs);
static struct attribute *ads784x_attributes[] = {
&dev_attr_pen_down.attr,
@@ -571,6 +592,7 @@ static struct attribute *ads784x_attributes[] = {
&dev_attr_debounce_tol.attr,
&dev_attr_debounce_rep.attr,
&dev_attr_x_plate_ohms.attr,
+ &dev_attr_settle_delay_usecs.attr,
NULL,
};
--
1.6.6.1
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