diff options
| author | JJ Ding <jj_ding@emc.com.tw> | 2011-09-09 21:22:19 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-09 21:34:25 +0400 |
| commit | 1155961946f2c6ac0f2db2bc6318ec01c79fb3fa (patch) | |
| tree | cb06a7c54103c63c3e137f572140ad53f04b726f | |
| parent | b6b1e927cec6b472578402f07f5befa79a96818d (diff) | |
| download | linux-1155961946f2c6ac0f2db2bc6318ec01c79fb3fa.tar.xz | |
Input: elantech - correct x, y value range for v2 hardware
x, y values are actually 12-bit long. Also update protocol document to
reflect the change.
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | Documentation/input/elantech.txt | 8 | ||||
| -rw-r--r-- | drivers/input/mouse/elantech.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/input/elantech.txt b/Documentation/input/elantech.txt index db798af5ef98..bce9941ffa94 100644 --- a/Documentation/input/elantech.txt +++ b/Documentation/input/elantech.txt @@ -389,14 +389,14 @@ byte 0: byte 1: bit 7 6 5 4 3 2 1 0 - p7 p6 p5 p4 . x10 x9 x8 + p7 p6 p5 p4 x11 x10 x9 x8 byte 2: bit 7 6 5 4 3 2 1 0 x7 x6 x5 x4 x3 x2 x1 x0 - x10..x0 = absolute x value (horizontal) + x11..x0 = absolute x value (horizontal) byte 3: @@ -420,7 +420,7 @@ byte 3: byte 4: bit 7 6 5 4 3 2 1 0 - p3 p1 p2 p0 . . y9 y8 + p3 p1 p2 p0 y11 y10 y9 y8 p7..p0 = pressure (not EF113) @@ -429,7 +429,7 @@ byte 5: bit 7 6 5 4 3 2 1 0 y7 y6 y5 y4 y3 y2 y1 y0 - y9..y0 = absolute y value (vertical) + y11..y0 = absolute y value (vertical) 4.2.2 Two finger touch diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 32503565faf9..da161dae3502 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -290,15 +290,15 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) /* pass through... */ case 1: /* - * byte 1: . . . . . x10 x9 x8 + * byte 1: . . . . x11 x10 x9 x8 * byte 2: x7 x6 x5 x4 x4 x2 x1 x0 */ - x1 = ((packet[1] & 0x07) << 8) | packet[2]; + x1 = ((packet[1] & 0x0f) << 8) | packet[2]; /* - * byte 4: . . . . . . y9 y8 + * byte 4: . . . . y11 y10 y9 y8 * byte 5: y7 y6 y5 y4 y3 y2 y1 y0 */ - y1 = ETP_YMAX_V2 - (((packet[4] & 0x03) << 8) | packet[5]); + y1 = ETP_YMAX_V2 - (((packet[4] & 0x0f) << 8) | packet[5]); input_report_abs(dev, ABS_X, x1); input_report_abs(dev, ABS_Y, y1); |