Messages in this thread | | | Subject | Re: Alps touchpad generates IRQ storm after S3 | From | Kai-Heng Feng <> | Date | Wed, 28 Aug 2019 14:58:12 +0800 |
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Hi Xiaojian,
at 14:51, Xiaojian Cao <xiaojian.cao@cn.alps.com> 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 <masaki.ota@alpsalpine.com> > Sent: Wednesday, August 28, 2019 2:35 PM > To: 曹 曉建 Xiaojian Cao <xiaojian.cao@cn.alps.com>; Kai-Heng Feng > <kai.heng.feng@canonical.com> > Cc: Mario Limonciello <mario.limonciello@dell.com>; open list:HID CORE > LAYER <linux-input@vger.kernel.org>; Linux Kernel Mailing List > <linux-kernel@vger.kernel.org>; 斉藤 直樹 Naoki Saito > <naoki.saito@alpsalpine.com> > 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 <kai.heng.feng@canonical.com> > Sent: Wednesday, August 28, 2019 3:22 PM > To: 太田 真喜 Masaki Ota <masaki.ota@alpsalpine.com> > Cc: Mario Limonciello <mario.limonciello@dell.com>; open list:HID CORE > LAYER <linux-input@vger.kernel.org>; Linux Kernel Mailing List > <linux-kernel@vger.kernel.org> > 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
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