On Tue, 2021-05-18 at 16:29 +0300, Heikki Krogerus wrote: > On Mon, May 17, 2021 at 02:57:28PM +0200, Benjamin Berg wrote: > > > > [SNIP] > > Unfortunately, I don't feel it'll work. The problem that I was > > seeing > > looked like a race condition in the PPM itself, where the window is > > the > > time between the UCSI_GET_CONNECTOR_STATUS command and the > > subsequent > > ACK. > > For such a firmware level bug in the PPM, we need a way to detect > > the > > race condition when it happens (or get a fix for the firmware). > > OK. Let me know does the patch bring the issue back for you. So, I just tried the patch, and I can occasionally reproduce the issue where "online" for the ucsi power adapter is stuck at "1" after unplugging with the patch applied. Benjamin
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