diff options
Diffstat (limited to 'drivers/input/touchscreen/mtouch.c')
| -rw-r--r-- | drivers/input/touchscreen/mtouch.c | 51 |
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); |
