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[PATCH] drivers/input/touchscreen: convert to dynamic input_dev allocation

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Input: convert drivers/input/touchscreen 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>
This commit is contained in:
Dmitry Torokhov
2005-09-15 02:01:46 -05:00
committed by Greg Kroah-Hartman
parent bd62266319
commit eca1ed196c
7 changed files with 281 additions and 310 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/input/touchscreen/corgi_ts.c
+45 -44
View File
@@ -41,8 +41,7 @@ struct ts_event {
};
struct corgi_ts {
char phys[32];
struct input_dev input;
struct input_dev *input;
struct timer_list timer;
struct ts_event tc;
int pendown;
@@ -182,14 +181,12 @@ static void new_data(struct corgi_ts *corgi_ts, struct pt_regs *regs)
if (!corgi_ts->tc.pressure && corgi_ts->pendown == 0)
return;
if (regs)
input_regs(&corgi_ts->input, regs);
input_report_abs(&corgi_ts->input, ABS_X, corgi_ts->tc.x);
input_report_abs(&corgi_ts->input, ABS_Y, corgi_ts->tc.y);
input_report_abs(&corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
input_report_key(&corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
input_sync(&corgi_ts->input);
input_regs(corgi_ts->input, regs);
input_report_abs(corgi_ts->input, ABS_X, corgi_ts->tc.x);
input_report_abs(corgi_ts->input, ABS_Y, corgi_ts->tc.y);
input_report_abs(corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
input_report_key(corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
input_sync(corgi_ts->input);
}
static void ts_interrupt_main(struct corgi_ts *corgi_ts, int isTimer, struct pt_regs *regs)
@@ -273,39 +270,44 @@ static int __init corgits_probe(struct device *dev)
{
struct corgi_ts *corgi_ts;
struct platform_device *pdev = to_platform_device(dev);
struct input_dev *input_dev;
int err = -ENOMEM;
if (!(corgi_ts = kmalloc(sizeof(struct corgi_ts), GFP_KERNEL)))
return -ENOMEM;
corgi_ts = kzalloc(sizeof(struct corgi_ts), GFP_KERNEL);
input_dev = input_allocate_device();
if (!corgi_ts || !input_dev)
goto fail;
dev_set_drvdata(dev, corgi_ts);
memset(corgi_ts, 0, sizeof(struct corgi_ts));
corgi_ts->machinfo = dev->platform_data;
corgi_ts->irq_gpio = platform_get_irq(pdev, 0);
if (corgi_ts->irq_gpio < 0) {
kfree(corgi_ts);
return -ENODEV;
err = -ENODEV;
goto fail;
}
init_input_dev(&corgi_ts->input);
corgi_ts->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
corgi_ts->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(&corgi_ts->input, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
input_set_abs_params(&corgi_ts->input, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
input_set_abs_params(&corgi_ts->input, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);
corgi_ts->input = input_dev;
strcpy(corgi_ts->phys, "corgits/input0");
init_timer(&corgi_ts->timer);
corgi_ts->timer.data = (unsigned long) corgi_ts;
corgi_ts->timer.function = corgi_ts_timer;
corgi_ts->input.private = corgi_ts;
corgi_ts->input.name = "Corgi Touchscreen";
corgi_ts->input.dev = dev;
corgi_ts->input.phys = corgi_ts->phys;
corgi_ts->input.id.bustype = BUS_HOST;
corgi_ts->input.id.vendor = 0x0001;
corgi_ts->input.id.product = 0x0002;
corgi_ts->input.id.version = 0x0100;
input_dev->name = "Corgi Touchscreen";
input_dev->phys = "corgits/input0";
input_dev->id.bustype = BUS_HOST;
input_dev->id.vendor = 0x0001;
input_dev->id.product = 0x0002;
input_dev->id.version = 0x0100;
input_dev->cdev.dev = dev;
input_dev->private = corgi_ts;
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, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);
pxa_gpio_mode(IRQ_TO_GPIO(corgi_ts->irq_gpio) | GPIO_IN);
@@ -319,25 +321,24 @@ static int __init corgits_probe(struct device *dev)
corgi_ssp_ads7846_putget((5u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
mdelay(5);
init_timer(&corgi_ts->timer);
corgi_ts->timer.data = (unsigned long) corgi_ts;
corgi_ts->timer.function = corgi_ts_timer;
input_register_device(&corgi_ts->input);
corgi_ts->power_mode = PWR_MODE_ACTIVE;
if (request_irq(corgi_ts->irq_gpio, ts_interrupt, SA_INTERRUPT, "ts", corgi_ts)) {
input_unregister_device(&corgi_ts->input);
kfree(corgi_ts);
return -EBUSY;
err = -EBUSY;
goto fail;
}
input_register_device(corgi_ts->input);
corgi_ts->power_mode = PWR_MODE_ACTIVE;
/* Enable Falling Edge */
set_irq_type(corgi_ts->irq_gpio, IRQT_FALLING);
printk(KERN_INFO "input: Corgi Touchscreen Registered\n");
return 0;
fail: input_free_device(input_dev);
kfree(corgi_ts);
return err;
}
static int corgits_remove(struct device *dev)
@@ -347,7 +348,7 @@ static int corgits_remove(struct device *dev)
free_irq(corgi_ts->irq_gpio, NULL);
del_timer_sync(&corgi_ts->timer);
corgi_ts->machinfo->put_hsync();
input_unregister_device(&corgi_ts->input);
input_unregister_device(corgi_ts->input);
kfree(corgi_ts);
return 0;
}