On Wed, Nov 18, 2020 at 05:26:56PM +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. > > Changes approoriate to appropriate > > Changes since v2 > - Add Changes commit format > > Changes since v1 > - Change subject form "ALSA" to "USB:" > - Adjust to appropriate line You don't have a "version" in the subject line, what one is this? > > Signed-off-by: penghao <penghao@xxxxxxxxxxxxx> Is that the name/characters you sign legal documents with? If so, great, but I have to ask. > --- > drivers/usb/core/quirks.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c > index 7c1198f80c23..25f655c2cd28 100644 > --- a/drivers/usb/core/quirks.c > +++ b/drivers/usb/core/quirks.c > @@ -410,6 +410,10 @@ static const struct usb_device_id usb_quirk_list[] = { > { USB_DEVICE(0x1532, 0x0116), .driver_info = > USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, > > + /* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */ > + { USB_DEVICE(0x17ef, 0xa012), .driver_info = > + USB_QUIRK_DISCONNECT_SUSPEND }, > + > /* BUILDWIN Photo Frame */ > { USB_DEVICE(0x1908, 0x1315), .driver_info = > USB_QUIRK_HONOR_BNUMINTERFACES }, > @@ -430,6 +434,7 @@ static const struct usb_device_id usb_quirk_list[] = { > USB_QUIRK_DELAY_CTRL_MSG }, > > /* Corsair Strafe RGB */ > + Why are you adding this blank line for no reason? Please fix. thanks, greg k-h