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yaml
---
r: 323429
b: refs/heads/master
c: f17953a
h: refs/heads/master
i:
  323427: 1ac05f2
v: v3
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Henrik Rydberg committed Sep 19, 2012
1 parent f197231 commit 450c822
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Showing 2 changed files with 14 additions and 13 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 43f482b48d0322df7c0cc6f97d0ec7c77db6777b
refs/heads/master: f17953abc92a7d536f4b9b9ce42cf8e07d8d3489
25 changes: 13 additions & 12 deletions trunk/drivers/input/mouse/bcm5974.c
Original file line number Diff line number Diff line change
Expand Up @@ -183,18 +183,19 @@ struct tp_finger {
__le16 abs_y; /* absolute y coodinate */
__le16 rel_x; /* relative x coodinate */
__le16 rel_y; /* relative y coodinate */
__le16 size_major; /* finger size, major axis? */
__le16 size_minor; /* finger size, minor axis? */
__le16 tool_major; /* tool area, major axis */
__le16 tool_minor; /* tool area, minor axis */
__le16 orientation; /* 16384 when point, else 15 bit angle */
__le16 force_major; /* trackpad force, major axis? */
__le16 force_minor; /* trackpad force, minor axis? */
__le16 touch_major; /* touch area, major axis */
__le16 touch_minor; /* touch area, minor axis */
__le16 unused[3]; /* zeros */
__le16 multi; /* one finger: varies, more fingers: constant */
} __attribute__((packed,aligned(2)));

/* trackpad finger data size, empirically at least ten fingers */
#define MAX_FINGERS 16
#define SIZEOF_FINGER sizeof(struct tp_finger)
#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER)
#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER)
#define MAX_FINGER_ORIENTATION 16384

/* device-specific parameters */
Expand Down Expand Up @@ -482,13 +483,13 @@ static void report_finger_data(struct input_dev *input,
const struct tp_finger *f)
{
input_report_abs(input, ABS_MT_TOUCH_MAJOR,
raw2int(f->force_major) << 1);
raw2int(f->touch_major) << 1);
input_report_abs(input, ABS_MT_TOUCH_MINOR,
raw2int(f->force_minor) << 1);
raw2int(f->touch_minor) << 1);
input_report_abs(input, ABS_MT_WIDTH_MAJOR,
raw2int(f->size_major) << 1);
raw2int(f->tool_major) << 1);
input_report_abs(input, ABS_MT_WIDTH_MINOR,
raw2int(f->size_minor) << 1);
raw2int(f->tool_minor) << 1);
input_report_abs(input, ABS_MT_ORIENTATION,
MAX_FINGER_ORIENTATION - raw2int(f->orientation));
input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x));
Expand Down Expand Up @@ -521,8 +522,8 @@ static int report_tp_state(struct bcm5974 *dev, int size)
for (i = 0; i < raw_n; i++)
report_finger_data(input, c, &f[i]);

raw_p = raw2int(f->force_major);
raw_w = raw2int(f->size_major);
raw_p = raw2int(f->touch_major);
raw_w = raw2int(f->tool_major);
raw_x = raw2int(f->abs_x);
raw_y = raw2int(f->abs_y);

Expand All @@ -542,7 +543,7 @@ static int report_tp_state(struct bcm5974 *dev, int size)
abs_y = int2bound(&c->y, c->y.devmax - raw_y);
while (raw_n--) {
ptest = int2bound(&c->p,
raw2int(f->force_major));
raw2int(f->touch_major));
if (ptest > PRESSURE_LOW)
nmax++;
if (ptest > PRESSURE_HIGH)
Expand Down

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