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path: root/drivers/input/touchscreen/mtouch.c
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Diffstat (limited to 'drivers/input/touchscreen/mtouch.c')
-rw-r--r--drivers/input/touchscreen/mtouch.c51
1 files changed, 18 insertions, 33 deletions
diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c
index 1d0d37eeef6..9b5552a2616 100644
--- a/drivers/input/touchscreen/mtouch.c
+++ b/drivers/input/touchscreen/mtouch.c
@@ -21,7 +21,6 @@
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/serio.h>
-#include <linux/init.h>
#define DRIVER_DESC "MicroTouch serial touchscreen driver"
@@ -63,12 +62,11 @@ struct mtouch {
char phys[32];
};
-static void mtouch_process_format_tablet(struct mtouch *mtouch, struct pt_regs *regs)
+static void mtouch_process_format_tablet(struct mtouch *mtouch)
{
struct input_dev *dev = mtouch->dev;
if (MTOUCH_FORMAT_TABLET_LENGTH == ++mtouch->idx) {
- input_regs(dev, regs);
input_report_abs(dev, ABS_X, MTOUCH_GET_XC(mtouch->data));
input_report_abs(dev, ABS_Y, MTOUCH_MAX_YC - MTOUCH_GET_YC(mtouch->data));
input_report_key(dev, BTN_TOUCH, MTOUCH_GET_TOUCHED(mtouch->data));
@@ -78,7 +76,7 @@ static void mtouch_process_format_tablet(struct mtouch *mtouch, struct pt_regs *
}
}
-static void mtouch_process_response(struct mtouch *mtouch, struct pt_regs *regs)
+static void mtouch_process_response(struct mtouch *mtouch)
{
if (MTOUCH_RESPONSE_END_BYTE == mtouch->data[mtouch->idx++]) {
/* FIXME - process response */
@@ -90,16 +88,16 @@ static void mtouch_process_response(struct mtouch *mtouch, struct pt_regs *regs)
}
static irqreturn_t mtouch_interrupt(struct serio *serio,
- unsigned char data, unsigned int flags, struct pt_regs *regs)
+ unsigned char data, unsigned int flags)
{
struct mtouch* mtouch = serio_get_drvdata(serio);
mtouch->data[mtouch->idx] = data;
if (MTOUCH_FORMAT_TABLET_STATUS_BIT & mtouch->data[0])
- mtouch_process_format_tablet(mtouch, regs);
+ mtouch_process_format_tablet(mtouch);
else if (MTOUCH_RESPONSE_BEGIN_BYTE == mtouch->data[0])
- mtouch_process_response(mtouch, regs);
+ mtouch_process_response(mtouch);
else
printk(KERN_DEBUG "mtouch.c: unknown/unsynchronized data from device, byte %x\n",mtouch->data[0]);
@@ -138,22 +136,22 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
input_dev = input_allocate_device();
if (!mtouch || !input_dev) {
err = -ENOMEM;
- goto fail;
+ goto fail1;
}
mtouch->serio = serio;
mtouch->dev = input_dev;
- sprintf(mtouch->phys, "%s/input0", serio->phys);
+ snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);
- input_dev->private = mtouch;
input_dev->name = "MicroTouch Serial TouchScreen";
input_dev->phys = mtouch->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_MICROTOUCH;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_dev->dev.parent = &serio->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
input_set_abs_params(mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);
input_set_abs_params(mtouch->dev, ABS_Y, MTOUCH_MIN_YC, MTOUCH_MAX_YC, 0, 0);
@@ -161,14 +159,17 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
err = serio_open(serio, drv);
if (err)
- goto fail;
+ goto fail2;
- input_register_device(mtouch->dev);
+ err = input_register_device(mtouch->dev);
+ if (err)
+ goto fail3;
return 0;
- fail: serio_set_drvdata(serio, NULL);
- input_free_device(input_dev);
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
kfree(mtouch);
return err;
}
@@ -200,20 +201,4 @@ static struct serio_driver mtouch_drv = {
.disconnect = mtouch_disconnect,
};
-/*
- * The functions for inserting/removing us as a module.
- */
-
-static int __init mtouch_init(void)
-{
- serio_register_driver(&mtouch_drv);
- return 0;
-}
-
-static void __exit mtouch_exit(void)
-{
- serio_unregister_driver(&mtouch_drv);
-}
-
-module_init(mtouch_init);
-module_exit(mtouch_exit);
+module_serio_driver(mtouch_drv);