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nova_0flash_mmi: add touch point timestamp

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nova_0flash_mmi:
add touch point timestamp to improve backtap

Change-Id: I60bf3defe54cd03bd1d7e7ef15c9e12b75f658a5
Signed-off-by: hujing3 <hujing3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2409617
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Reviewed-by: Wei Deng <dengwei1@motorola.com>
Reviewed-by: Wang Wang <wangwang1@lenovo.com>
Submit-Approved: Jira Key
This commit is contained in:
hujing3 2022-10-20 16:35:38 +08:00 • committed by Jing Hu
commit 54ec0f20b5
4 changed files with 58 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/input/touchscreen/nova_0flash_mmi/Android.mk
View file

@ -11,6 +11,10 @@ ifneq ($(BOARD_USES_DOUBLE_TAP),)
KERNEL_CFLAGS += CONFIG_INPUT_NOVA_0FLASH_MMI_ENABLE_DOUBLE_TAP=y
endif
ifeq ($(TOUCHSCREEN_LAST_TIME),true)
KERNEL_CFLAGS += CONFIG_NOVA_TOUCH_LAST_TIME=y
endif
ifneq ($(MOTO_PANEL_CHECK_TOUCH_STATE),)
KERNEL_CFLAGS += CONFIG_INPUT_NOVA_0FLASH_MMI_NOTIFY_TOUCH_STATE=y
endif

5
drivers/input/touchscreen/nova_0flash_mmi/Kbuild
View file

@ -13,6 +13,11 @@ endif
ifneq ($(filter m y,$(CONFIG_INPUT_NOVA_0FLASH_MMI_NOTIFY_TOUCH_STATE)),)
EXTRA_CFLAGS += -DNVT_SET_TOUCH_STATE
endif
ifneq ($(filter m y,$(CONFIG_NOVA_TOUCH_LAST_TIME)),)
EXTRA_CFLAGS += -DNVT_TOUCH_LAST_TIME
endif
ifneq ($(filter m y,$(CONFIG_INPUT_NOVA_PANEL_NOTIFICATIONS)),)
EXTRA_CFLAGS += -DNVT_CONFIG_PANEL_NOTIFICATIONS
endif

46
drivers/input/touchscreen/nova_0flash_mmi/nt36xxx.c
View file

@ -292,6 +292,10 @@ const struct mtk_chip_config spi_ctrdata = {
};
#endif
#ifdef NVT_TOUCH_LAST_TIME
static bool time_flag = 1;
#endif
/*******************************************************
Description:
Novatek touchscreen irq enable/disable function.
@ -1890,6 +1894,24 @@ static irqreturn_t nvt_ts_work_func(int irq, void *data)
}
input_report_key(ts->input_dev, BTN_TOUCH, (finger_cnt > 0));
#ifdef NVT_TOUCH_LAST_TIME
if (finger_cnt > 0) {
//touch down/moving
if(time_flag) {
//check time_flag to get boot time only once in one touch session,
//to avoid impact touch performance for multi touch & moving cases
ts->last_event_time = ktime_get_boottime();
time_flag = 0;
NVT_DBG("set last_event_time\n");
}
} else {
//touch UP, enable time flag for next touch
time_flag = 1;
NVT_DBG("finger_cnt 0, reset time_flag\n");
}
#endif
#else /* MT_PROTOCOL_B */
if (finger_cnt == 0) {
input_report_key(ts->input_dev, BTN_TOUCH, 0);
@ -2444,10 +2466,28 @@ static int nvt_extend_attribute_group(struct device *dev, struct attribute_group
return 0;
}
#ifdef NVT_TOUCH_LAST_TIME
static ssize_t timestamp_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ktime_t last_ktime;
struct timespec64 last_ts;
last_ktime = ts->last_event_time;
ts->last_event_time = 0;
last_ts = ktime_to_timespec64(last_ktime);
return scnprintf(buf, PAGE_SIZE, "%lld.%ld\n", last_ts.tv_sec, last_ts.tv_nsec);
}
#endif
static struct device_attribute touchscreen_attributes[] = {
__ATTR_RO(path),
__ATTR_RO(vendor),
__ATTR_RO(ic_ver),
#ifdef NVT_TOUCH_LAST_TIME
__ATTR_RO(timestamp),
#endif
#ifdef PALM_GESTURE
__ATTR(palm_settings, S_IRUGO | S_IWUSR | S_IWGRP, nvt_palm_settings_show, nvt_palm_settings_store),
#endif
@ -2480,7 +2520,7 @@ int32_t nvt_fw_class_init(bool create)
static int minor;
if (create) {
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION)
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION) || defined(NVT_TOUCH_LAST_TIME)
ret = alloc_chrdev_region(&devno, 0, 1, NVT_PRIMARY_NAME);
#else
ret = alloc_chrdev_region(&devno, 0, 1, NVT_SPI_NAME);
@ -2500,7 +2540,7 @@ int32_t nvt_fw_class_init(bool create)
ts_class_dev = device_create(touchscreen_class, NULL,
devno,
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION)
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION) || defined(NVT_TOUCH_LAST_TIME)
ts, NVT_PRIMARY_NAME);
#else
ts, NVT_SPI_NAME);
@ -2520,7 +2560,7 @@ int32_t nvt_fw_class_init(bool create)
if (error)
goto device_destroy;
else
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION)
#if defined (PALM_GESTURE) || defined (EDGE_SUPPRESSION) || defined(NVT_TOUCH_LAST_TIME)
NVT_LOG("create /sys/class/touchscreen/%s Succeeded!\n", NVT_PRIMARY_NAME);
#else
NVT_LOG("create /sys/class/touchscreen/%s Succeeded!\n", NVT_SPI_NAME);

6
drivers/input/touchscreen/nova_0flash_mmi/nt36xxx.h
View file

@ -25,6 +25,9 @@
#include <linux/uaccess.h>
#include <linux/version.h>
#include <linux/mmi_kernel_common.h>
#ifdef NVT_TOUCH_LAST_TIME
#include <linux/ktime.h>
#endif
#ifdef NVT_SENSOR_EN
#include <linux/sensors.h>
@ -223,6 +226,9 @@ struct nvt_ts_data {
bool gesture_enabled;
bool wakeable;
#endif
#ifdef NVT_TOUCH_LAST_TIME
ktime_t last_event_time;
#endif
#ifdef NOVATECH_PEN_NOTIFIER
bool fw_ready_flag;
int nvt_pen_detect_flag;