fix(tp): fixed Kernel stuck when close screen without gt9xx

lin

2025-02-25 be8e643514303f34f842d8cc918a01bf4a668141

fix(tp): fixed Kernel stuck when close screen without gt9xx

Signed-off-by: lin <lin@kickpi.com>

 longan/kernel/linux-4.9/drivers/input/touchscreen/gt9xx/gt9xx.c
..
..
@@ -1087,17 +1087,19 @@
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 static int goodix_ts_resume(struct device *dev);
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 extern void gt9xx_resume_extern(void);
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 extern void gt9xx_suspend_extern(void);
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-struct goodix_ts_data *cur_ts;
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+struct goodix_ts_data *cur_ts= NULL;
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 void gt9xx_suspend_extern(void)
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 {
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 	// goodix_ts_suspend(config_info.dev);
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-	
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-	gtp_irq_disable(cur_ts);
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-	cancel_work_sync(&goodix_resume_work);
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-	flush_workqueue(goodix_resume_wq);
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-	cancel_work_sync(&cur_ts->work);
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-	flush_workqueue(goodix_wq);
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+	if (cur_ts == NULL) {return;}
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+	else {
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+		gtp_irq_disable(cur_ts);
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+		cancel_work_sync(&goodix_resume_work);
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+		flush_workqueue(goodix_resume_wq);
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+		cancel_work_sync(&cur_ts->work);
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+		flush_workqueue(goodix_wq);
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+	}
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 }
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 EXPORT_SYMBOL(gt9xx_suspend_extern);
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@@ -1105,13 +1107,15 @@
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 void gt9xx_resume_extern(void)
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 {
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 	// goodix_ts_resume(config_info.dev);
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-	printk("%s goodix_ts_resume v1\n", goodix_ts_name);
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-	__gpio_set_value(config_info.wakeup_gpio.gpio, 1);
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-	input_set_power_enable(&(config_info.input_type), 1);
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-	msleep(10);
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-	// goodix_resume_events
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-	queue_work(goodix_resume_wq, &goodix_resume_work);//gandy
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-
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+	if (cur_ts == NULL) {return;}
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+	else {
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+		printk("%s goodix_ts_resume v1\n", goodix_ts_name);
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+		__gpio_set_value(config_info.wakeup_gpio.gpio, 1);
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+		input_set_power_enable(&(config_info.input_type), 1);
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+		msleep(10);
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+		// goodix_resume_events
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+		queue_work(goodix_resume_wq, &goodix_resume_work);//gandy
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+	}
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 }
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 EXPORT_SYMBOL(gt9xx_resume_extern);
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