Re: [PATCH] pinctrl: fix low level output voltage issue

2020-12-04 Thread Linus Walleij
On Fri, Nov 20, 2020 at 10:31 AM Zhiyong Tao wrote: > This patch is used to fix low level output voltage issue. > A pin is changed from input pull-up to output high. > The Dout value of the pin is default as 0. > If we change the direction of the pin before the dout value of the pin, > It maybe p

[PATCH] pinctrl: fix low level output voltage issue

2020-11-20 Thread Zhiyong Tao
This patch is used to fix low level output voltage issue. A pin is changed from input pull-up to output high. The Dout value of the pin is default as 0. If we change the direction of the pin before the dout value of the pin, It maybe produce a low level output voltage between "input pull-up" and "o