diff options
| author | Ben Gamari <ben@smart-cactus.org> | 2016-10-04 18:41:58 (GMT) |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-10-04 18:46:54 (GMT) |
| commit | 7ad8a1067dfc3bf74ad2daef013ea4f3df1841a7 (patch) | |
| tree | 4d46b9136460886289b9d6be6bd96f105de6b476 /drivers/input | |
| parent | a831776323e7c532ef9c88d0d62512ae15d78415 (diff) | |
| download | linux-7ad8a1067dfc3bf74ad2daef013ea4f3df1841a7.tar.xz | |
Input: ALPS - allow touchsticks to report pressure
The SS5 hardware can report this.
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/alps.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index a76e5c6..bb0b723 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -103,6 +103,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { 6-byte ALPS packet */ #define ALPS_STICK_BITS 0x100 /* separate stick button bits */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ +#define ALPS_DUALPOINT_WITH_PRESSURE 0x400 /* device can report trackpoint pressure */ static const struct alps_model_info alps_model_data[] = { { { 0x32, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */ @@ -1272,9 +1273,11 @@ static int alps_decode_ss4_v2(struct alps_fields *f, } else { int x = (s8)(((p[0] & 1) << 7) | (p[1] & 0x7f)); int y = (s8)(((p[3] & 1) << 7) | (p[2] & 0x7f)); + int pressure = (s8)(p[4] & 0x7f); input_report_rel(priv->dev2, REL_X, x); input_report_rel(priv->dev2, REL_Y, -y); + input_report_abs(priv->dev2, ABS_PRESSURE, pressure); } break; @@ -2998,6 +3001,10 @@ int alps_init(struct psmouse *psmouse) input_set_capability(dev2, EV_REL, REL_X); input_set_capability(dev2, EV_REL, REL_Y); + if (priv->flags & ALPS_DUALPOINT_WITH_PRESSURE) { + input_set_capability(dev2, EV_ABS, ABS_PRESSURE); + input_set_abs_params(dev2, ABS_PRESSURE, 0, 127, 0, 0); + } input_set_capability(dev2, EV_KEY, BTN_LEFT); input_set_capability(dev2, EV_KEY, BTN_RIGHT); input_set_capability(dev2, EV_KEY, BTN_MIDDLE); |