From 68e4eb5c9690531fa04cc9e0621854b03369d78b Mon Sep 17 00:00:00 2001 From: Gregoire Gentil 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