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solve laibao touch screen bug:

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when we read a illegal touch gesture,touch work queue will loop for ever.
This commit is contained in:
zwp 2012-01-18 17:29:57 +08:00
parent 121fb4892d
commit 01dd8fe7ad
1 changed files with 8 additions and 10 deletions
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18
drivers/input/touchscreen/ft5x0x_i2c_ts.c
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@ -203,8 +203,6 @@ static void fts_ts_release(void)
if ( _st_finger_infos[i].u2_pressure == -1 )
continue;
_st_finger_infos[i].u2_pressure = 0;
input_mt_slot(data->input_dev, i);
input_mt_report_slot_state(data->input_dev, MT_TOOL_FINGER, false);
@ -352,7 +350,9 @@ int fts_read_data(void)
printk(KERN_ERR "get fingers failed!\n");
// printk(KERN_INFO "touch_point_num=%d\n", touch_point_num);
if(touch_point_num > CFG_MAX_POINT_NUM)
printk("[Warning],+++++Touch number[%d] readed is larger than max point number+++++++++++++\n",touch_point_num);
i_count = 0;
if(touch_point_num != 0)
@ -386,7 +386,6 @@ int fts_read_data(void)
_st_finger_infos[i_count].u2_pressure= 1;//pressure;
_st_finger_infos[i_count].i2_x= (int16_t)x;
_st_finger_infos[i_count].i2_y= (int16_t)y;
_si_touch_num ++;
}
else if (touch_event == 1) //up event
{
@ -397,11 +396,11 @@ int fts_read_data(void)
_st_finger_infos[i_count].u2_pressure= 1;//pressure;
_st_finger_infos[i_count].i2_x= (int16_t)x;
_st_finger_infos[i_count].i2_y= (int16_t)y;
_si_touch_num ++;
}
else /*bad event, ignore*/
else /*bad event, ignore*/
{
printk("Bad event, ignore!!!\n");
i_count++;
continue;
}
@ -443,13 +442,12 @@ int fts_read_data(void)
}
}
//If touch up or touch number is zero then release touch.
if(touch_point_num == 0 || _si_touch_num == 0)
//If touch number is zero then release touch.
if(touch_point_num == 0 )
{
printk("[RELEASE!!!!!!!!!!!!!!!]\n");
fts_ts_release();
}
return 0;
}