From bd8f6d2ed416d6c70fc3d4f98b165a56e025331c Mon Sep 17 00:00:00 2001 From: John Sung Date: Fri, 9 Sep 2011 13:33:12 -0700 Subject: [PATCH] Input: penmount - add PenMount 6250 support Add multi touch support for PenMount 6250 touch controller. Signed-off-by: John Sung Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/penmount.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c index 71422b9..a047850 100644 --- a/drivers/input/touchscreen/penmount.c +++ b/drivers/input/touchscreen/penmount.c @@ -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); -- 2.7.4