recipes/linux/linux-omap-psp-2.6.32/omap3-touchbook/0009-ads7846-add-settling-delay-to-pdata.patch

   1 From dd9c33edf9c2734a7107c96c61d3ffcea90837f4 Mon Sep 17 00:00:00 2001
   2 From: Gregoire Gentil <gregoire@gentil.com>
   3 Date: Fri, 12 Mar 2010 13:50:52 +0100
   4 Subject: [PATCH 09/14] ads7846: add settling delay to pdata
   5
   6 ---
   7  drivers/input/touchscreen/ads7846.c |   22 ++++++++++++++++++++++
   8  1 files changed, 22 insertions(+), 0 deletions(-)
   9
  10 diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
  11 index 56b0ffd..1d9f97c 100644
  12 --- a/drivers/input/touchscreen/ads7846.c
  13 +++ b/drivers/input/touchscreen/ads7846.c
  14 @@ -515,6 +515,26 @@ static ssize_t show_x_plate_ohms(struct device *dev, struct device_attribute *at
  15         return sprintf(buf, "%u\n", ts->x_plate_ohms);
  16  }
  17
  18 +static ssize_t show_settle_delay_usecs(struct device *dev, struct device_attribute *attr, char *buf) {
  19 +       struct ads7846 *ts = dev_get_drvdata(dev);
  20 +       struct ads7846_platform_data *pdata = ts->spi->dev.platform_data;
  21 +
  22 +       return sprintf(buf, "%u\n", pdata->settle_delay_usecs);
  23 +}
  24 +
  25 +static ssize_t write_settle_delay_usecs(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
  26 +       struct ads7846 *ts = dev_get_drvdata(dev);
  27 +       struct ads7846_platform_data *pdata = ts->spi->dev.platform_data;
  28 +
  29 +       unsigned long i;
  30 +
  31 +        if (strict_strtoul(buf, 10, &i))
  32 +               return -EINVAL;
  33 +
  34 +       pdata->settle_delay_usecs = i;
  35 +       return count;
  36 +}
  37 +
  38  static ssize_t write_debounce_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
  39         struct ads7846 *ts = dev_get_drvdata(dev);
  40         unsigned long i;
  41 @@ -563,6 +583,7 @@ static DEVICE_ATTR(debounce_max, S_IRUGO | S_IWUGO, show_debounce_max, write_deb
  42  static DEVICE_ATTR(debounce_tol, S_IRUGO | S_IWUGO, show_debounce_tol, write_debounce_tol);
  43  static DEVICE_ATTR(debounce_rep, S_IRUGO | S_IWUGO, show_debounce_rep, write_debounce_rep);
  44  static DEVICE_ATTR(x_plate_ohms, S_IRUGO | S_IWUGO, show_x_plate_ohms, write_x_plate_ohms);
  45 +static DEVICE_ATTR(settle_delay_usecs, S_IRUGO | S_IWUGO, show_settle_delay_usecs, write_settle_delay_usecs);
  46
  47  static struct attribute *ads784x_attributes[] = {
  48         &dev_attr_pen_down.attr,
  49 @@ -571,6 +592,7 @@ static struct attribute *ads784x_attributes[] = {
  50         &dev_attr_debounce_tol.attr,
  51         &dev_attr_debounce_rep.attr,
  52         &dev_attr_x_plate_ohms.attr,
  53 +       &dev_attr_settle_delay_usecs.attr,
  54         NULL,
  55  };
  56
  57 --
  58 1.6.6.1
  59