On Fri, Sep 04, 2020 at 09:45:16AM +0800, Penghao wrote: > Add a USB_QUIRK_DISCONNECT_SUSPEND quirk for the Lenovo TIO built-in > usb-audio.when A630Z going into S3,the system immediately wakeup 7-8 > seconds later by usb-audio disconnect interrupt.to avoids the issue. > > Seeking a better fix, we've tried a lot of things, including: > - Check that the device's power/wakeup is disabled > - Check that remote wakeup is off at the USB level > - All the quirks in drivers/usb/core/quirks.c e.g. USB_QUIRK_RESET_RESUME, > USB_QUIRK_RESET, USB_QUIRK_IGNORE_REMOTE_WAKEUP, USB_QUIRK_NO_LPM. > > but none of that makes any difference. > > There are no errors in the logs showing any suspend/resume-related issues. > When the system wakes up due to the modem, log-wise it appears to be a > normal resume. > > Introduce a quirk to disable the port during suspend when the modem is > detected. > > Signed-off-by: Penghao <penghao@xxxxxxxxxxxxx> > --- > drivers/usb/core/quirks.c | 4 ++++ > 1 file changed, 4 insertions(+) Odd subject line, this is not ALSA: or the usb-audio driver :( Please fix up and properly order the entry. thanks, greg k-h
