On Mon, Feb 12, 2024 at 02:38:27PM +0100, Krzysztof Kozlowski wrote: > On 12/02/2024 12:58, Ralf Schlatterbeck wrote: > > GPIO expanders and their usage is nothing specific to this device - > other devices also might benefit of them. Or the SoCs which have enough > of GPIOs... I really do not understand why do we need expander here and > how does it help Can we then at least link the I/O Expander example to the docs of that display? I've documented my experience here: https://blog.runtux.com/posts/2021/01/06/ And at the time there were two out-of-tree implementations. Note that I think that redundancy in code is bad. Not so for documentation. Thanks + kind regards Ralf -- Dr. Ralf Schlatterbeck Tel: +43/2243/26465-16 Open Source Consulting www: www.runtux.com Reichergasse 131, A-3411 Weidling email: office@xxxxxxxxxx
