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tp ct36x:reduce init time

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This commit is contained in:
zyk
2014-03-31 19:43:38 +08:00
parent e454b5489a
commit 175e2ce4f5
2 changed files with 52 additions and 32 deletions
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1
drivers/input/touchscreen/ct36x/ct36x_priv.h
View File

@@ -68,6 +68,7 @@ struct ct36x_data{
struct tp_device tp;
struct ct36x_ops *ops;
void *priv;
struct delayed_work ct36x_init_delayed_work;
};
static int i2c_master_normal_send(const struct i2c_client *client, const char *buf, int count, int scl_rate)

83
drivers/input/touchscreen/ct36x/ct36x_ts.c
View File

@@ -139,6 +139,54 @@ static void ct36x_ts_late_resume(struct tp_device *tp_d)
enable_irq(ts->irq);
}
struct ct36x_data *ct36x_ts;
static void ct36x_init_later_work(struct work_struct *work)
{
int ret;
printk("ente ct36x_init_later_work==========\n");
//struct ct36x_data *ts = container_of(work, struct ct36x_data, work.work);
if(ct36x_ts->ops->init){
ret = ct36x_ts->ops->init(ct36x_ts);
if(ret < 0){
dev_err(ct36x_ts->dev, "Failed to init ct36x chip\n");
return ret;
}
}
//enable_irq(ct36x_ts->irq);
//ct36x_register_input(ct36x_ts);
ct36x_ts->input = devm_input_allocate_device(&ct36x_ts->client->dev);
if(!ct36x_ts->input){
ret = -ENODEV;
dev_err(ct36x_ts->dev, "Failed to allocate input device\n");
return ret;
}
ct36x_ts->input->name = CT36X_NAME;
ct36x_ts->input->dev.parent = &ct36x_ts->client->dev;
set_bit(EV_ABS, ct36x_ts->input->evbit);
set_bit(INPUT_PROP_DIRECT, ct36x_ts->input->propbit);
input_mt_init_slots(ct36x_ts->input, ct36x_ts->point_num,0);
input_set_abs_params(ct36x_ts->input, ABS_MT_POSITION_X, 0, ct36x_ts->x_max, 0, 0);
input_set_abs_params(ct36x_ts->input, ABS_MT_POSITION_Y, 0, ct36x_ts->y_max, 0, 0);
input_set_abs_params(ct36x_ts->input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(ct36x_ts->input, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
ret = input_register_device(ct36x_ts->input);
if(ret < 0){
dev_err(ct36x_ts->dev, "Failed to register input device\n");
return ret;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
ct36x_ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
ct36x_ts->early_suspend.suspend = ct36x_ts_early_suspend;
ct36x_ts->early_suspend.resume = ct36x_ts_late_resume;
register_early_suspend(&ct36x_ts->early_suspend);
#endif
printk("finish ct36x_init_later_work==========\n");
}
static int ct36x_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
@@ -237,38 +285,9 @@ static int ct36x_ts_probe(struct i2c_client *client, const struct i2c_device_id
}
}
if(ts->ops->init){
ret = ts->ops->init(ts);
if(ret < 0){
dev_err(ts->dev, "Failed to init ct36x chip\n");
goto err_ct36x_init_chip;
}
}
ts->input = devm_input_allocate_device(&ts->client->dev);
if(!ts->input){
ret = -ENODEV;
dev_err(ts->dev, "Failed to allocate input device\n");
goto err_input_allocate_device;
}
ts->input->name = CT36X_NAME;
ts->input->dev.parent = &client->dev;
set_bit(EV_ABS, ts->input->evbit);
set_bit(INPUT_PROP_DIRECT, ts->input->propbit);
input_mt_init_slots(ts->input, ts->point_num,0);
input_set_abs_params(ts->input, ABS_MT_POSITION_X, 0, ts->x_max, 0, 0);
input_set_abs_params(ts->input, ABS_MT_POSITION_Y, 0, ts->y_max, 0, 0);
input_set_abs_params(ts->input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(ts->input, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
ret = input_register_device(ts->input);
if(ret < 0){
dev_err(ts->dev, "Failed to register input device\n");
goto err_input_register_devcie;
}
ct36x_ts = ts;
INIT_DELAYED_WORK(&ts->ct36x_init_delayed_work, ct36x_init_later_work);
schedule_delayed_work(&ts->ct36x_init_delayed_work, msecs_to_jiffies(500));
ts->tp.tp_resume = ct36x_ts_late_resume;