diff options
| author | Pali Rohár <pali.rohar@gmail.com> | 2016-01-06 15:58:56 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-06 16:06:47 -0800 |
| commit | 4b1af853646ca893fa686701d1605998fffcc82c (patch) | |
| tree | 7b84f9713ec84a39ec91ce61c0dfa003113edf13 /drivers/input/mouse/alps.c | |
| parent | dae928ec3c29e7e16723c9c4c1299e00f4e9e949 (diff) | |
| download | linux-4b1af853646ca893fa686701d1605998fffcc82c.tar.bz2 | |
Input: ALPS - report v3 pinnacle trackstick device only if is present
This patch moves v3 pinnacle code for trackstick detection from
alps_hw_init_v3() to alps_set_protocol() so ALPS_DUALPOINT flag can be
cleared before registering trackstick input device in kernel.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/mouse/alps.c')
| -rw-r--r-- | drivers/input/mouse/alps.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 1aa170987028..936f07a4e35f 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -2129,15 +2129,12 @@ error: static int alps_hw_init_v3(struct psmouse *psmouse) { + struct alps_data *priv = psmouse->private; struct ps2dev *ps2dev = &psmouse->ps2dev; int reg_val; unsigned char param[4]; - reg_val = alps_probe_trackstick_v3_v7(psmouse, ALPS_REG_BASE_PINNACLE); - if (reg_val == -EIO) - goto error; - - if (reg_val == 0 && + if ((priv->flags & ALPS_DUALPOINT) && alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) goto error; @@ -2614,6 +2611,11 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->decode_fields = alps_decode_pinnacle; priv->nibble_commands = alps_v3_nibble_commands; priv->addr_command = PSMOUSE_CMD_RESET_WRAP; + + if (alps_probe_trackstick_v3_v7(psmouse, + ALPS_REG_BASE_PINNACLE) < 0) + priv->flags &= ~ALPS_DUALPOINT; + break; case ALPS_PROTO_V3_RUSHMORE: |