diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/mxc_ts.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/mxc_ts.c b/drivers/input/touchscreen/mxc_ts.c index b354d81c5465..d60cd51a535e 100644 --- a/drivers/input/touchscreen/mxc_ts.c +++ b/drivers/input/touchscreen/mxc_ts.c @@ -44,14 +44,17 @@ static u32 input_ts_installed; static int ts_thread(void *arg) { t_touch_screen ts_sample; - s32 wait = 0; + s32 wait = 0, wait2 = 0; daemonize("mxc_ts"); while (input_ts_installed) { try_to_freeze(); memset(&ts_sample, 0, sizeof(t_touch_screen)); - if (0 != pmic_adc_get_touch_sample(&ts_sample, !wait)) + + /* After 2 consecutive samples with the pen up, enable irq waiting */ + if (0 != pmic_adc_get_touch_sample(&ts_sample, !(wait + wait2))) { continue; + } if (!(ts_sample.contact_resistance || wait)) continue; @@ -60,7 +63,7 @@ static int ts_thread(void *arg) input_report_abs(mxc_inputdev, ABS_PRESSURE, ts_sample.contact_resistance); input_sync(mxc_inputdev); - + wait2 = wait; wait = ts_sample.contact_resistance; msleep(20); } |