Hi Xiaojian, > On Aug 28, 2019, at 22:43, Kai-Heng Feng <[email protected]> wrote: > > Hi Mario, > > at 21:25, <[email protected]> <[email protected]> wrote: > >> KH, >> >> Just make sure I understand details. >> >>> Commit "HID: i2c-hid: Don't reset device upon system resume >> >> If you revert this it's fixed on this system? > > Yes. Once reset is used instead of the issue is gone.
Do you figure out the correct command to use here? Kai-Heng > >> >> In that commit you had mentioned if this causes problems it might be worth >> quirking just Raydium but commit afbb1169ed5b58cfca017e368b53e019cf285853 >> confirmed that it helped several other systems too. >> >> If the conclusion from this investigation this is only fixable via touchpad >> FW update >> it might be worth quirking this touchpad/touchpad FW/system combination. > > Hopefully there’s a better solution from ALPS :) > >> >>> Also Cc Mario because this could relate to BIOS. >> >> Also I assume this is on current stable BIOS/EC release, right? > > Yes. The BIOS version is 1.10.1. > > The IRQ storm stops as soon as the touchpad gets touched. > > Kai-Heng > >> >> Thanks, >> >>> -----Original Message----- >>> From: Kai-Heng Feng <[email protected]> >>> Sent: Wednesday, August 28, 2019 1:58 AM >>> To: Xiaojian Cao >>> Cc: Masaki Ota; Limonciello, Mario; open list:HID CORE LAYER; Linux Kernel >>> Mailing List; Naoki Saito >>> Subject: Re: Alps touchpad generates IRQ storm after S3 >>> >>> >>> [EXTERNAL EMAIL] >>> >>> Hi Xiaojian, >>> >>> at 14:51, Xiaojian Cao <[email protected]> wrote: >>> >>>> Hi Ota-san, >>>> >>>> OK, we will look into it. >>>> >>>> >>>> Hi Kai-Heng, >>>> >>>> We will try to reproduce this issue first, could you please tell me the >>>> target Ubuntu version? >>> >>> It’s distro-agnostic, any distro with mainline Linux can reproduce the >>> issue. >>> >>> Kai-Heng >>> >>>> Best regards, >>>> Jason >>>> >>>> -----Original Message----- >>>> From: 太田 真喜 Masaki Ota <[email protected]> >>>> Sent: Wednesday, August 28, 2019 2:35 PM >>>> To: 曹 曉建 Xiaojian Cao <[email protected]>; Kai-Heng Feng >>>> <[email protected]> >>>> Cc: Mario Limonciello <[email protected]>; open list:HID CORE >>>> LAYER <[email protected]>; Linux Kernel Mailing List >>>> <[email protected]>; 斉藤 直樹 Naoki Saito >>>> <[email protected]> >>>> Subject: RE: Alps touchpad generates IRQ storm after S3 >>>> >>>> Hi, Kai-Heng, >>>> >>>> Sorry, I'm not in charge of Linux task now. >>>> >>>> Hi, XiaoJian, >>>> >>>> Please check the following mail. >>>> If you have any question, please ask Kai-Heng. >>>> >>>> Best Regards, >>>> Masaki Ota >>>> -----Original Message----- >>>> From: Kai-Heng Feng <[email protected]> >>>> Sent: Wednesday, August 28, 2019 3:22 PM >>>> To: 太田 真喜 Masaki Ota <[email protected]> >>>> Cc: Mario Limonciello <[email protected]>; open list:HID CORE >>>> LAYER <[email protected]>; Linux Kernel Mailing List >>>> <[email protected]> >>>> Subject: Alps touchpad generates IRQ storm after S3 >>>> >>>> Hi Masaki, >>>> >>>> The Alps touchpad (044E:1220) on Dell Precision 7530 causes IRQ storm >>>> after system suspend (S3). >>>> Commit "HID: i2c-hid: Don't reset device upon system resume” which solves >>>> the same issue for other vendors, cause the issue on Alps touchpad. >>>> So I’d like to know the correct command Alps touchpad expects after >>>> system resume. >>>> >>>> Also Cc Mario because this could relate to BIOS. >>>> >>>> Kai-Heng > >
