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path: root/drivers/input/touchscreen/gunze.c
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Diffstat (limited to 'drivers/input/touchscreen/gunze.c')
-rw-r--r--drivers/input/touchscreen/gunze.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index 53a27e43dd2..466da190cee 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -48,14 +48,12 @@ MODULE_LICENSE("GPL");
#define GUNZE_MAX_LENGTH 10
-static char *gunze_name = "Gunze AHL-51S TouchScreen";
-
/*
* Per-touchscreen data.
*/
struct gunze {
- struct input_dev dev;
+ struct input_dev *dev;
struct serio *serio;
int idx;
unsigned char data[GUNZE_MAX_LENGTH];
@@ -64,7 +62,7 @@ struct gunze {
static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
{
- struct input_dev *dev = &gunze->dev;
+ struct input_dev *dev = gunze->dev;
if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
(gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
@@ -100,11 +98,13 @@ static irqreturn_t gunze_interrupt(struct serio *serio,
static void gunze_disconnect(struct serio *serio)
{
- struct gunze* gunze = serio_get_drvdata(serio);
+ struct gunze *gunze = serio_get_drvdata(serio);
- input_unregister_device(&gunze->dev);
+ input_get_device(gunze->dev);
+ input_unregister_device(gunze->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_put_device(gunze->dev);
kfree(gunze);
}
@@ -117,45 +117,45 @@ static void gunze_disconnect(struct serio *serio)
static int gunze_connect(struct serio *serio, struct serio_driver *drv)
{
struct gunze *gunze;
+ struct input_dev *input_dev;
int err;
- if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL)))
- return -ENOMEM;
-
- memset(gunze, 0, sizeof(struct gunze));
-
- init_input_dev(&gunze->dev);
- gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0);
- input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0);
+ gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!gunze || !input_dev) {
+ err = -ENOMEM;
+ goto fail;
+ }
gunze->serio = serio;
-
+ gunze->dev = input_dev;
sprintf(gunze->phys, "%s/input0", serio->phys);
- gunze->dev.private = gunze;
- gunze->dev.name = gunze_name;
- gunze->dev.phys = gunze->phys;
- gunze->dev.id.bustype = BUS_RS232;
- gunze->dev.id.vendor = SERIO_GUNZE;
- gunze->dev.id.product = 0x0051;
- gunze->dev.id.version = 0x0100;
+ input_dev->private = gunze;
+ input_dev->name = "Gunze AHL-51S TouchScreen";
+ input_dev->phys = gunze->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_GUNZE;
+ input_dev->id.product = 0x0051;
+ 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_set_abs_params(input_dev, ABS_X, 24, 1000, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 24, 1000, 0, 0);
serio_set_drvdata(serio, gunze);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(gunze);
- return err;
- }
-
- input_register_device(&gunze->dev);
-
- printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys);
+ if (err)
+ goto fail;
+ input_register_device(gunze->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(gunze);
+ return err;
}
/*