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authorDmitry Torokhov <dtor_core@ameritech.net>2006-02-15 00:49:09 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2006-02-15 00:49:09 -0500
commitb8044c74bcd64bd1a9d2e8cec58fdcd40f16f5a4 (patch)
treee43dd609208393e6cac2e5b9a450daee7dbf37f8 /drivers/input/mouse
parent50f6dde0ad05ee4ee8450feb731b15b716115c4d (diff)
Input: trackpoint - enable devices connected to external port
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/trackpoint.c20
-rw-r--r--drivers/input/mouse/trackpoint.h4
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index b4898d8a68e2..6d9ec9ab1b90 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -68,15 +68,19 @@ struct trackpoint_attr_data {
size_t field_offset;
unsigned char command;
unsigned char mask;
+ unsigned char inverted;
};
static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
- unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
+ unsigned char value = *(unsigned char *)((char *)tp + attr->field_offset);
+
+ if (attr->inverted)
+ value = !value;
- return sprintf(buf, "%u\n", *field);
+ return sprintf(buf, "%u\n", value);
}
static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
@@ -120,6 +124,9 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
if (*rest || value > 1)
return -EINVAL;
+ if (attr->inverted)
+ value = !value;
+
if (*field != value) {
*field = value;
trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
@@ -129,11 +136,12 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
}
-#define TRACKPOINT_BIT_ATTR(_name, _command, _mask) \
+#define TRACKPOINT_BIT_ATTR(_name, _command, _mask, _inv) \
static struct trackpoint_attr_data trackpoint_attr_##_name = { \
.field_offset = offsetof(struct trackpoint_data, _name), \
.command = _command, \
.mask = _mask, \
+ .inverted = _inv, \
}; \
PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
&trackpoint_attr_##_name, \
@@ -150,9 +158,9 @@ TRACKPOINT_INT_ATTR(upthresh, TP_UP_THRESH);
TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME);
TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV);
-TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
-TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
-TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
+TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0);
+TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, 0);
+TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, 1);
static struct attribute *trackpoint_attrs[] = {
&psmouse_attr_sensitivity.dattr.attr,
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 9857d8b6ad66..050298b1a09d 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -78,7 +78,7 @@
#define TP_TOGGLE_MB 0x23 /* Disable/Enable Middle Button */
#define TP_MASK_MB 0x01
-#define TP_TOGGLE_EXT_DEV 0x23 /* Toggle external device */
+#define TP_TOGGLE_EXT_DEV 0x23 /* Disable external device */
#define TP_MASK_EXT_DEV 0x02
#define TP_TOGGLE_DRIFT 0x23 /* Drift Correction */
#define TP_MASK_DRIFT 0x80
@@ -125,7 +125,7 @@
#define TP_DEF_MB 0x00
#define TP_DEF_PTSON 0x00
#define TP_DEF_SKIPBACK 0x00
-#define TP_DEF_EXT_DEV 0x01
+#define TP_DEF_EXT_DEV 0x00 /* 0 means enabled */
#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))