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? 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

