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input: ili9882_mmi: add last_event_time function

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ili9882_mmi:
Add last event time function, record the last touch event time,
used by phone back double tap.

Change-Id: I793f79111c8a154074fd99c343d14b09df7c036b
Signed-off-by: wangyq13 <wangyq13@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2417920
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jing Hu <hujing3@lenovo.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wangyq13 2022-11-01 16:25:09 +08:00 • committed by Yeqing Wang
commit 1908fac4f7
5 changed files with 47 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/input/touchscreen/ili9882_mmi/Android.mk
View file

@ -59,6 +59,10 @@ ifeq ($(BOARD_USES_STYLUS_PALM),true)
KBUILD_OPTIONS += CONFIG_ILITEK_PASSIVE_PEN=y
endif
ifeq ($(TOUCHSCREEN_LAST_TIME),true)
KBUILD_OPTIONS += CONFIG_ILI_TOUCH_LAST_TIME=y
endif
include $(CLEAR_VARS)
ifneq ($(BOARD_USES_DOUBLE_TAP),)
LOCAL_ADDITIONAL_DEPENDENCIES += $(KERNEL_MODULES_OUT)/sensors_class.ko

4
drivers/input/touchscreen/ili9882_mmi/Kbuild
View file

@ -56,6 +56,10 @@ ifneq ($(filter m y,$(CONFIG_ILITEK_PASSIVE_PEN)),)
EXTRA_CFLAGS += -DILI_PASSIVE_PEN
endif
ifneq ($(filter m y,$(CONFIG_ILI_TOUCH_LAST_TIME)),)
EXTRA_CFLAGS += -DILI_TOUCH_LAST_TIME
endif
ili9882_mmi-objs += ili9882.o
ili9882_mmi-objs += ili9882_spi.o
ili9882_mmi-objs += ili9882_qcom.o

3
drivers/input/touchscreen/ili9882_mmi/ili9882.h
View file

@ -1037,6 +1037,9 @@ struct ilitek_ts_data {
#if defined(CONFIG_INPUT_TOUCHSCREEN_MMI)
struct ts_mmi_class_methods *imports;
#endif
#ifdef ILI_TOUCH_LAST_TIME
ktime_t last_event_time;
#endif
};
extern struct ilitek_ts_data *ilits;

14
drivers/input/touchscreen/ili9882_mmi/ili9882_touch.c
View file

@ -946,6 +946,9 @@ void ili_touch_release_all_point(void)
}
static struct ilitek_touch_info touch_info[MAX_TOUCH_NUM];
#ifdef ILI_TOUCH_LAST_TIME
static bool time_flag = 1;
#endif
void ili_report_ap_mode(u8 *buf, int len)
{
@ -1021,6 +1024,13 @@ void ili_report_ap_mode(u8 *buf, int len)
ILI_DBG("figner number = %d, LastTouch = %d\n", ilits->finger, ilits->last_touch);
if (ilits->finger) {
#ifdef ILI_TOUCH_LAST_TIME
if (time_flag) {
ilits->last_event_time = ktime_get_boottime();
time_flag = 0;
ILI_DBG("set last_event_time\n");
}
#endif
if (MT_B_TYPE) {
for (i = 0; i < ilits->finger; i++) {
input_report_key(ilits->input, BTN_TOUCH, 1);
@ -1045,6 +1055,10 @@ void ili_report_ap_mode(u8 *buf, int len)
ilits->last_touch = ilits->finger;
} else {
if (ilits->last_touch) {
#ifdef ILI_TOUCH_LAST_TIME
time_flag = 1;
ILI_DBG("last touch, reset time_flag\n");
#endif
if (MT_B_TYPE) {
for (i = 0; i < MAX_TOUCH_NUM; i++) {
if (ilits->curt_touch[i] == 0 && ilits->prev_touch[i] == 1)

22
drivers/input/touchscreen/ili9882_mmi/ili_mmi_class.c
View file

@ -131,6 +131,25 @@ static ssize_t ili_palm_settings_store(struct device *dev,
return err;
}
#ifdef ILI_TOUCH_LAST_TIME
static ssize_t ili_mmi_timestamp_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ktime_t last_ktime;
struct timespec64 last_ts;
mutex_lock(&ilits->touch_mutex);
last_ktime = ilits->last_event_time;
ilits->last_event_time = 0;
mutex_unlock(&ilits->touch_mutex);
last_ts = ktime_to_timespec64(last_ktime);
return scnprintf(buf, PAGE_SIZE, "%lld.%ld\n", last_ts.tv_sec, last_ts.tv_nsec);
}
static DEVICE_ATTR(timestamp, S_IRUGO, ili_mmi_timestamp_show, NULL);
#endif
static DEVICE_ATTR(palm_settings, S_IRUGO | S_IWUSR | S_IWGRP, ili_palm_settings_show, ili_palm_settings_store);
static int ili_mmi_extend_attribute_group(struct device *dev, struct attribute_group **group)
@ -138,6 +157,9 @@ static int ili_mmi_extend_attribute_group(struct device *dev, struct attribute_g
int idx = 0;
ADD_ATTR(palm_settings);
#ifdef ILI_TOUCH_LAST_TIME
ADD_ATTR(timestamp);
#endif
if (idx) {
ext_attributes[idx] = NULL;