diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index 7337fe2d759c..54f51a4911ad 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -78,6 +78,7 @@ struct pm8941_pwrkey { u32 code; u32 sw_debounce_time_us; ktime_t last_release_time; + bool last_status; const struct pm8941_data *data; }; @@ -170,6 +171,16 @@ static irqreturn_t pm8941_pwrkey_irq(int irq, void *_data) if (pwrkey->sw_debounce_time_us && !sts) pwrkey->last_release_time = ktime_get(); + /* + * Simulate a press event in case a release event occurred without a + * corresponding press event. + */ + if (!pwrkey->last_status && !sts) { + input_report_key(pwrkey->input, pwrkey->code, 1); + input_sync(pwrkey->input); + } + pwrkey->last_status = sts; + input_report_key(pwrkey->input, pwrkey->code, sts); input_sync(pwrkey->input); @@ -256,6 +267,10 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) pwrkey->dev = &pdev->dev; pwrkey->data = of_device_get_match_data(&pdev->dev); + if (!pwrkey->data) { + dev_err(&pdev->dev, "match data not found\n"); + return -ENODEV; + } parent = pdev->dev.parent; regmap_node = pdev->dev.of_node;