| From f568b2b255fa1857fe78f5fcec6ff75c3f2bd8cb Mon Sep 17 00:00:00 2001 |
| From: Jongpil Jung <jongpil19.jung@samsung.corp-partner.google.com> |
| Date: Fri, 23 Aug 2024 14:03:16 +0900 |
| Subject: [PATCH] CHROMIUM: HID: multitouch: skip driver reset for Zinitix |
| device |
| |
| When host received zero length data, touch session will be reset. |
| In Zinitix touchpad (15e5:650e),it makes lag issue under sluggish. |
| We want to skip reset. |
| |
| BUG=b:346917118, b:350609957 |
| TEST=build kernel and update kernel on dut |
| check if touchpad works |
| UPSTREAM-TASK=b:361723324 |
| |
| Change-Id: I2bd81edfd3eba58f72fe38f03fe5e77a5cc813ea |
| Signed-off-by: Jongpil Jung <jongpil19.jung@samsung.corp-partner.google.com> |
| Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5808335 |
| Reviewed-by: Lalith Rajendran <lalithkraj@google.com> |
| Reviewed-by: Subrata Banik <subratabanik@chromium.org> |
| --- |
| drivers/hid/hid-ids.h | 2 ++ |
| drivers/hid/hid-multitouch.c | 5 ++++- |
| 2 files changed, 6 insertions(+), 1 deletion(-) |
| |
| diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h |
| index 235c9f44f75bc92b0ada45fc196fbea9e8b7df28..ab066c7223e63f71b0839a7c5d7ee51e5e3a8551 100644 |
| --- a/drivers/hid/hid-ids.h |
| +++ b/drivers/hid/hid-ids.h |
| @@ -1476,4 +1476,6 @@ |
| #define USB_VENDOR_ID_SIGNOTEC 0x2133 |
| #define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018 |
| |
| +#define USB_VENDOR_ID_ZINITIX 0x14e5 |
| + |
| #endif |
| diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c |
| index f53d33a156bcfd5ea72bc2a8af5eaffac4269b73..4a89d3790b8a6537d43af279c8c9358b0b540e4a 100644 |
| --- a/drivers/hid/hid-multitouch.c |
| +++ b/drivers/hid/hid-multitouch.c |
| @@ -2331,7 +2331,10 @@ static const struct hid_device_id mt_devices[] = { |
| { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, |
| HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, |
| USB_VENDOR_ID_ELAN, 0x32ae) }, |
| - |
| + /* Zinitix devices */ |
| + { .driver_data = MT_CLS_WIN_8_SKIP_RESET, |
| + HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, |
| + USB_VENDOR_ID_ZINITIX, 0x650e) }, |
| /* Elitegroup panel */ |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, |
| -- |
| 2.47.0.199.ga7371fff76-goog |
| |
