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Subject[patch 17/28] Input: convert ucb1x00-ts to dynamic input_dev allocation
Input: convert ucb1x00-ts to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

drivers/mfd/ucb1x00-ts.c | 45 +++++++++++++++++++++++++--------------------
1 files changed, 25 insertions(+), 20 deletions(-)

Index: work/drivers/mfd/ucb1x00-ts.c
===================================================================
--- work.orig/drivers/mfd/ucb1x00-ts.c
+++ work/drivers/mfd/ucb1x00-ts.c
@@ -40,7 +40,7 @@


struct ucb1x00_ts {
- struct input_dev idev;
+ struct input_dev *idev;
struct ucb1x00 *ucb;

wait_queue_head_t irq_wait;
@@ -56,16 +56,16 @@ static int adcsync;

static inline void ucb1x00_ts_evt_add(struct ucb1x00_ts *ts, u16 pressure, u16 x, u16 y)
{
- input_report_abs(&ts->idev, ABS_X, x);
- input_report_abs(&ts->idev, ABS_Y, y);
- input_report_abs(&ts->idev, ABS_PRESSURE, pressure);
- input_sync(&ts->idev);
+ input_report_abs(ts->idev, ABS_X, x);
+ input_report_abs(ts->idev, ABS_Y, y);
+ input_report_abs(ts->idev, ABS_PRESSURE, pressure);
+ input_sync(ts->idev);
}

static inline void ucb1x00_ts_event_release(struct ucb1x00_ts *ts)
{
- input_report_abs(&ts->idev, ABS_PRESSURE, 0);
- input_sync(&ts->idev);
+ input_report_abs(ts->idev, ABS_PRESSURE, 0);
+ input_sync(ts->idev);
}

/*
@@ -341,26 +341,30 @@ static int ucb1x00_ts_add(struct ucb1x00
{
struct ucb1x00_ts *ts;

- ts = kmalloc(sizeof(struct ucb1x00_ts), GFP_KERNEL);
+ ts = kzalloc(sizeof(struct ucb1x00_ts), GFP_KERNEL);
if (!ts)
return -ENOMEM;

- memset(ts, 0, sizeof(struct ucb1x00_ts));
+ ts->idev = input_allocate_device();
+ if (!ts->idev) {
+ kfree(ts);
+ return -ENOMEM;
+ }

ts->ucb = dev->ucb;
ts->adcsync = adcsync ? UCB_SYNC : UCB_NOSYNC;

- ts->idev.name = "Touchscreen panel";
- ts->idev.id.product = ts->ucb->id;
- ts->idev.open = ucb1x00_ts_open;
- ts->idev.close = ucb1x00_ts_close;
-
- __set_bit(EV_ABS, ts->idev.evbit);
- __set_bit(ABS_X, ts->idev.absbit);
- __set_bit(ABS_Y, ts->idev.absbit);
- __set_bit(ABS_PRESSURE, ts->idev.absbit);
+ ts->idev->name = "Touchscreen panel";
+ ts->idev->id.product = ts->ucb->id;
+ ts->idev->open = ucb1x00_ts_open;
+ ts->idev->close = ucb1x00_ts_close;
+
+ __set_bit(EV_ABS, ts->idev->evbit);
+ __set_bit(ABS_X, ts->idev->absbit);
+ __set_bit(ABS_Y, ts->idev->absbit);
+ __set_bit(ABS_PRESSURE, ts->idev->absbit);

- input_register_device(&ts->idev);
+ input_register_device(ts->idev);

dev->priv = ts;

@@ -370,7 +374,8 @@ static int ucb1x00_ts_add(struct ucb1x00
static void ucb1x00_ts_remove(struct ucb1x00_dev *dev)
{
struct ucb1x00_ts *ts = dev->priv;
- input_unregister_device(&ts->idev);
+
+ input_unregister_device(ts->idev);
kfree(ts);
}

-
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