diff options
Diffstat (limited to 'drivers/input/mouse/psmouse-base.c')
| -rw-r--r-- | drivers/input/mouse/psmouse-base.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index f15f695777f8..b9f0fb2530e2 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -178,6 +178,15 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse) } /* + * Cortron PS2 Trackball reports SIDE button on the 4th bit of the first + * byte. + */ + if (psmouse->type == PSMOUSE_CORTRON) { + input_report_key(dev, BTN_SIDE, (packet[0] >> 3) & 1); + packet[0] |= 0x08; + } + +/* * Generic PS/2 Mouse */ @@ -539,6 +548,20 @@ static int ps2bare_detect(struct psmouse *psmouse, int set_properties) return 0; } +/* + * Cortron PS/2 protocol detection. There's no special way to detect it, so it + * must be forced by sysfs protocol writing. + */ +static int cortron_detect(struct psmouse *psmouse, int set_properties) +{ + if (set_properties) { + psmouse->vendor = "Cortron"; + psmouse->name = "PS/2 Trackball"; + set_bit(BTN_SIDE, psmouse->dev->keybit); + } + + return 0; +} /* * psmouse_extensions() probes for any extensions to the basic PS/2 protocol @@ -740,6 +763,12 @@ static const struct psmouse_protocol psmouse_protocols[] = { }, #endif { + .type = PSMOUSE_CORTRON, + .name = "CortronPS/2", + .alias = "cortps", + .detect = cortron_detect, + }, + { .type = PSMOUSE_AUTO, .name = "auto", .alias = "any", |