From be8e643514303f34f842d8cc918a01bf4a668141 Mon Sep 17 00:00:00 2001
From: lin <lin@kickpi.com>
Date: Tue, 25 Feb 2025 03:25:57 +0000
Subject: [PATCH] fix(tp): fixed Kernel stuck when close screen without gt9xx
---
longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c | 32 ++++++++++++++++++--------------
1 files changed, 18 insertions(+), 14 deletions(-)
diff --git a/longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c b/longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c
index 27d2068..19196a0 100755
--- a/longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c
+++ b/longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c
@@ -1087,17 +1087,19 @@
static int goodix_ts_resume(struct device *dev);
extern void gt9xx_resume_extern(void);
extern void gt9xx_suspend_extern(void);
-struct goodix_ts_data *cur_ts;
+struct goodix_ts_data *cur_ts= NULL;
void gt9xx_suspend_extern(void)
{
// goodix_ts_suspend(config_info.dev);
-
- gtp_irq_disable(cur_ts);
- cancel_work_sync(&goodix_resume_work);
- flush_workqueue(goodix_resume_wq);
- cancel_work_sync(&cur_ts->work);
- flush_workqueue(goodix_wq);
+ if (cur_ts == NULL) {return;}
+ else {
+ gtp_irq_disable(cur_ts);
+ cancel_work_sync(&goodix_resume_work);
+ flush_workqueue(goodix_resume_wq);
+ cancel_work_sync(&cur_ts->work);
+ flush_workqueue(goodix_wq);
+ }
}
EXPORT_SYMBOL(gt9xx_suspend_extern);
@@ -1105,13 +1107,15 @@
void gt9xx_resume_extern(void)
{
// goodix_ts_resume(config_info.dev);
- printk("%s goodix_ts_resume v1\n", goodix_ts_name);
- __gpio_set_value(config_info.wakeup_gpio.gpio, 1);
- input_set_power_enable(&(config_info.input_type), 1);
- msleep(10);
- // goodix_resume_events
- queue_work(goodix_resume_wq, &goodix_resume_work);//gandy
-
+ if (cur_ts == NULL) {return;}
+ else {
+ printk("%s goodix_ts_resume v1\n", goodix_ts_name);
+ __gpio_set_value(config_info.wakeup_gpio.gpio, 1);
+ input_set_power_enable(&(config_info.input_type), 1);
+ msleep(10);
+ // goodix_resume_events
+ queue_work(goodix_resume_wq, &goodix_resume_work);//gandy
+ }
}
EXPORT_SYMBOL(gt9xx_resume_extern);
--
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