recipes/linux/linux-omap-psp-2.6.32/omap3-touchbook/0007-adf7846-add-more-debugging.patch

   1 From 1b90e477d484f666ba2224b950b2810fcaf53df2 Mon Sep 17 00:00:00 2001
   2 From: Gregoire Gentil <gregoire@gentil.com>
   3 Date: Fri, 12 Mar 2010 13:50:38 +0100
   4 Subject: [PATCH 07/14] adf7846: add more debugging
   5
   6 ---
   7  drivers/input/touchscreen/ads7846.c |   73 +++++++++++++++++++++++++++++++++++
   8  1 files changed, 73 insertions(+), 0 deletions(-)
   9
  10 diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
  11 index 45287ab..ebdeeeb 100644
  12 --- a/drivers/input/touchscreen/ads7846.c
  13 +++ b/drivers/input/touchscreen/ads7846.c
  14 @@ -495,9 +495,82 @@ static ssize_t ads7846_disable_store(struct device *dev,
  15
  16  static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store);
  17
  18 +static ssize_t show_debounce_max(struct device *dev, struct device_attribute *attr, char *buf) {
  19 +       struct ads7846 *ts = dev_get_drvdata(dev);
  20 +       return sprintf(buf, "%u\n", ts->debounce_max);
  21 +}
  22 +
  23 +static ssize_t show_debounce_tol(struct device *dev, struct device_attribute *attr, char *buf) {
  24 +       struct ads7846 *ts = dev_get_drvdata(dev);
  25 +       return sprintf(buf, "%u\n", ts->debounce_tol);
  26 +}
  27 +
  28 +static ssize_t show_debounce_rep(struct device *dev, struct device_attribute *attr, char *buf) {
  29 +       struct ads7846 *ts = dev_get_drvdata(dev);
  30 +       return sprintf(buf, "%u\n", ts->debounce_rep);
  31 +}
  32 +
  33 +static ssize_t show_x_plate_ohms(struct device *dev, struct device_attribute *attr, char *buf) {
  34 +       struct ads7846 *ts = dev_get_drvdata(dev);
  35 +       return sprintf(buf, "%u\n", ts->x_plate_ohms);
  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 +
  42 +        if (strict_strtoul(buf, 10, &i))
  43 +               return -EINVAL;
  44 +
  45 +       ts->debounce_max = i;
  46 +       return count;
  47 +}
  48 +
  49 +static ssize_t write_debounce_tol(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
  50 +       struct ads7846 *ts = dev_get_drvdata(dev);
  51 +       unsigned long i;
  52 +
  53 +        if (strict_strtoul(buf, 10, &i))
  54 +               return -EINVAL;
  55 +
  56 +       ts->debounce_tol = i;
  57 +       return count;
  58 +}
  59 +
  60 +static ssize_t write_debounce_rep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
  61 +       struct ads7846 *ts = dev_get_drvdata(dev);
  62 +       unsigned long i;
  63 +
  64 +        if (strict_strtoul(buf, 10, &i))
  65 +               return -EINVAL;
  66 +
  67 +       ts->debounce_rep = i;
  68 +       return count;
  69 +}
  70 +
  71 +static ssize_t write_x_plate_ohms(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
  72 +       struct ads7846 *ts = dev_get_drvdata(dev);
  73 +       unsigned long i;
  74 +
  75 +        if (strict_strtoul(buf, 10, &i))
  76 +               return -EINVAL;
  77 +
  78 +       ts->x_plate_ohms = i;
  79 +       return count;
  80 +}
  81 +
  82 +static DEVICE_ATTR(debounce_max, S_IRUGO | S_IWUGO, show_debounce_max, write_debounce_max);
  83 +static DEVICE_ATTR(debounce_tol, S_IRUGO | S_IWUGO, show_debounce_tol, write_debounce_tol);
  84 +static DEVICE_ATTR(debounce_rep, S_IRUGO | S_IWUGO, show_debounce_rep, write_debounce_rep);
  85 +static DEVICE_ATTR(x_plate_ohms, S_IRUGO | S_IWUGO, show_x_plate_ohms, write_x_plate_ohms);
  86 +
  87  static struct attribute *ads784x_attributes[] = {
  88         &dev_attr_pen_down.attr,
  89         &dev_attr_disable.attr,
  90 +       &dev_attr_debounce_max.attr,
  91 +       &dev_attr_debounce_tol.attr,
  92 +       &dev_attr_debounce_rep.attr,
  93 +       &dev_attr_x_plate_ohms.attr,
  94         NULL,
  95  };
  96
  97 --
  98 1.6.6.1
  99