1. There is only one GPIO device in System. 2. For Pin API input is pin number 3. Add sets pin debounce time API. So we need a virtual pin for multi gpio chip. Signed-off-by: GuEe-GUI <2991707448@qq.com>
Signed-off-by: GuEe-GUI <2991707448@qq.com>
Only check HIGH or LOW Signed-off-by: GuEe-GUI <2991707448@qq.com>