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himax_v2_mmi: Add delay when palm leave.

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TP:
Add 850ms delay when palm release found.

Change-Id: Ie7bde3057c2655e421d7ea0887d7c00cdcc133c6
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1406178
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2019-08-20 16:47:35 +08:00 • committed by Jialei Hao
commit fa99fed1fe
2 changed files with 18 additions and 3 deletions
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19
drivers/input/touchscreen/himax_v2_mmi/himax_common.c
View file

@ -2743,12 +2743,12 @@ static void himax_report_points(struct himax_ts_data *ts)
#if defined(HX_PALM_REPORT) && defined(HIMAX_PALM_SENSOR_EN)
if (ts->palm_detection_enabled) {
if (himax_palm_detect(hx_touch_data->hx_coord_buf) == PALM_REPORT) {
I(" %s HX_PALM_REPORT\n", __func__);
del_timer(&ts->palm_release_fimer);
himax_palm_detect_func(ts, true);
return;
} else if (himax_palm_detect(hx_touch_data->hx_coord_buf) == PALM_LEAVE_REPORT) {
I(" %s HX_PALM_LEAVE_REPORT\n", __func__);
himax_palm_detect_func(ts, false);
mod_timer(&ts->palm_release_fimer,
jiffies + msecs_to_jiffies(ts->palm_release_delay_ms));
return;
}
}
@ -2822,6 +2822,11 @@ END_FUNCTION:
}
#ifdef HIMAX_PALM_SENSOR_EN
static void himax_palm_sensor_release_timer_handler(unsigned long data)
{
himax_palm_detect_func(private_ts, false);
}
static int himax_palm_detect_sensor_set_enable(struct sensors_classdev *sensors_cdev,
unsigned int enable)
{
@ -2830,6 +2835,10 @@ static int himax_palm_detect_sensor_set_enable(struct sensors_classdev *sensors_
g_core_fp.fp_palm_detection_function(1);
private_ts->palm_detection_enabled = true;
} else if (enable == 0) {
if (timer_pending(&private_ts->palm_release_fimer)) {
himax_palm_detect_func(private_ts, false);
del_timer(&private_ts->palm_release_fimer);
}
g_core_fp.fp_palm_detection_function(0);
private_ts->palm_detection_enabled = false;
} else
@ -2881,6 +2890,10 @@ static int himax_palm_detect_sensor_init(struct himax_ts_data *data)
if (err)
goto unregister_sensor_input_device;
data->palm_release_fimer.function = himax_palm_sensor_release_timer_handler;
init_timer(&data->palm_release_fimer);
data->palm_release_delay_ms = 850;
return 0;
unregister_sensor_input_device:

2
drivers/input/touchscreen/himax_v2_mmi/himax_common.h
View file

@ -471,6 +471,8 @@ struct himax_ts_data {
#ifdef HIMAX_PALM_SENSOR_EN
bool palm_detection_enabled;
struct himax_sensor_platform_data *palm_sensor_pdata;
struct timer_list palm_release_fimer;
unsigned int palm_release_delay_ms;
#endif
};