diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-25 17:31:53 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-25 17:31:53 -0400 |
| commit | b4b61b224d12ef12ff21cc598acce0ee818903ab (patch) | |
| tree | 9ec13f7cd9ac917c91b7cbf4ada8777fd50c8a5a | |
| parent | 9e2dd2ca85d211a6ef2a1e95ba9239ec69959b1e (diff) | |
| parent | b1a402e75a5f5127ff1ffff0615249f98df8b7b3 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fix from Dmitry Torokhov:
"A fix for st1232 driver to properly report coordinates for 2nd and
subsequent fingers when more than one is on the surface"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: st1232 - fix reporting multitouch coordinates
| -rw-r--r-- | drivers/input/touchscreen/st1232.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index 34923399ece4..1139714e72e2 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -81,8 +81,10 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts) for (i = 0, y = 0; i < ts->chip_info->max_fingers; i++, y += 3) { finger[i].is_valid = buf[i + y] >> 7; if (finger[i].is_valid) { - finger[i].x = ((buf[i + y] & 0x0070) << 4) | buf[i + 1]; - finger[i].y = ((buf[i + y] & 0x0007) << 8) | buf[i + 2]; + finger[i].x = ((buf[i + y] & 0x0070) << 4) | + buf[i + y + 1]; + finger[i].y = ((buf[i + y] & 0x0007) << 8) | + buf[i + y + 2]; /* st1232 includes a z-axis / touch strength */ if (ts->chip_info->have_z) |