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Input: penmount - add PenMount 6250 support 

Add multi touch support for PenMount 6250 touch controller.

Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
John Sung 2011-09-09 13:33:12 -07:00 committed by Dmitry Torokhov
parent 90aba7d8b1
commit bd8f6d2ed4
1 changed files with 23 additions and 0 deletions
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23
drivers/input/touchscreen/penmount.c
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@ -37,6 +37,7 @@ MODULE_LICENSE("GPL");
#define PM_MAX_LENGTH 6
#define PM_MAX_MTSLOT 16
#define PM_3000_MTSLOT 2
#define PM_6250_MTSLOT 12
/*
* Multi-touch slot
@ -150,6 +151,21 @@ static irqreturn_t pm_interrupt(struct serio *serio,
}
}
break;
case 0x6250:
if ((pm->data[0] & 0xb0) == 0x30) {
if (pm->packetsize == ++pm->idx) {
if (pm_checkpacket(pm->data)) {
int slotnum = pm->data[0] & 0x0f;
pm->slots[slotnum].active = pm->data[0] & 0x40;
pm->slots[slotnum].x = pm->data[2] * 256 + pm->data[1];
pm->slots[slotnum].y = pm->data[4] * 256 + pm->data[3];
pm_mtevent(pm, dev);
}
pm->idx = 0;
}
}
break;
}
return IRQ_HANDLED;
@ -227,6 +243,13 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv)
max_x = max_y = 0x7ff;
pm->maxcontacts = PM_3000_MTSLOT;
break;
case 3:
pm->packetsize = 6;
input_dev->id.product = 0x6250;
max_x = max_y = 0x3ff;
pm->maxcontacts = PM_6250_MTSLOT;
break;
}
input_set_abs_params(pm->dev, ABS_X, 0, max_x, 0, 0);