On Thu, May 09, 2024 at 12:50:36PM GMT, Diogo Ivo wrote: > Some LG Gram laptops report a bogus connector change event after a > GET_PDOS command for the partner's source PDOs, which disappears from > the CCI after acknowledging the command. However, the subsequent > GET_CONNECTOR_STATUS in ucsi_handle_connector_change() still reports > this bogus change in bits 5 and 6, leading to the UCSI core re-checking > the partner's source PDOs and thus to an infinite loop. > > Fix this by adding a quirk that signals when a potentially buggy GET_PDOS > command is used, checks the status change report and clears it if it is a > bogus event before sending it to the UCSI core. > > [Sending as RFC both to see if this is a good idea and so that more > users can test it to gather all the models affected by this bug.] > > Signed-off-by: Diogo Ivo <diogo.ivo@xxxxxxxxxxxxxxxxxx> > --- I just realized that I should be using the {set, test, clear}_bit() functions in the patch I sent, sorry for that. With this in mind it would still be good to hear what you think about it. Best regards, Diogo