[PATCH] drivers/input/joystick: convert to dynamic input_dev allocation
Input: convert drivers/input/joystick to dynamic input_dev allocation
This is required for input_dev sysfs integration
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index a436f22..d6f8db8 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -70,8 +70,7 @@
*/
struct spaceball {
- struct input_dev dev;
- struct serio *serio;
+ struct input_dev *dev;
int idx;
int escape;
unsigned char data[SPACEBALL_MAX_LENGTH];
@@ -85,7 +84,7 @@
static void spaceball_process_packet(struct spaceball* spaceball, struct pt_regs *regs)
{
- struct input_dev *dev = &spaceball->dev;
+ struct input_dev *dev = spaceball->dev;
unsigned char *data = spaceball->data;
int i;
@@ -193,9 +192,9 @@
{
struct spaceball* spaceball = serio_get_drvdata(serio);
- input_unregister_device(&spaceball->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_unregister_device(spaceball->dev);
kfree(spaceball);
}
@@ -208,69 +207,62 @@
static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
{
struct spaceball *spaceball;
- int i, t, id;
- int err;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i, id;
if ((id = serio->id.id) > SPACEBALL_MAX_ID)
return -ENODEV;
- if (!(spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL)))
- return - ENOMEM;
+ spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!spaceball || !input_dev)
+ goto fail;
- memset(spaceball, 0, sizeof(struct spaceball));
+ spaceball->dev = input_dev;
+ sprintf(spaceball->phys, "%s/input0", serio->phys);
- spaceball->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->name = spaceball_names[id];
+ input_dev->phys = spaceball->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_SPACEBALL;
+ input_dev->id.product = id;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = spaceball;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
switch (id) {
case SPACEBALL_4000FLX:
case SPACEBALL_4000FLX_L:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_9);
- spaceball->dev.keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
+ input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_9);
+ input_dev->keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
default:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
+ input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
| BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7) | BIT(BTN_8);
case SPACEBALL_3003C:
- spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
+ input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
}
- for (i = 0; i < 6; i++) {
- t = spaceball_axes[i];
- set_bit(t, spaceball->dev.absbit);
- spaceball->dev.absmin[t] = i < 3 ? -8000 : -1600;
- spaceball->dev.absmax[t] = i < 3 ? 8000 : 1600;
- spaceball->dev.absflat[t] = i < 3 ? 40 : 8;
- spaceball->dev.absfuzz[t] = i < 3 ? 8 : 2;
+ for (i = 0; i < 3; i++) {
+ input_set_abs_params(input_dev, ABS_X + i, -8000, 8000, 8, 40);
+ input_set_abs_params(input_dev, ABS_RX + i, -1600, 1600, 2, 8);
}
- spaceball->serio = serio;
- spaceball->dev.private = spaceball;
-
- sprintf(spaceball->phys, "%s/input0", serio->phys);
-
- init_input_dev(&spaceball->dev);
- spaceball->dev.name = spaceball_names[id];
- spaceball->dev.phys = spaceball->phys;
- spaceball->dev.id.bustype = BUS_RS232;
- spaceball->dev.id.vendor = SERIO_SPACEBALL;
- spaceball->dev.id.product = id;
- spaceball->dev.id.version = 0x0100;
- spaceball->dev.dev = &serio->dev;
-
serio_set_drvdata(serio, spaceball);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(spaceball);
- return err;
- }
+ if (err)
+ goto fail;
- input_register_device(&spaceball->dev);
-
- printk(KERN_INFO "input: %s on serio%s\n",
- spaceball_names[id], serio->phys);
-
+ input_register_device(spaceball->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(spaceball);
+ return err;
}
/*