bug #460
open
Added by zhanbin lin 8 days ago.
Updated 8 days ago.
Description
复现方法：
先用7寸LVDS的镜像去初始化10寸MIPI屏幕
再用10寸MIPI镜像，会出现10寸MIPI触控初始化不生效的情况，导致触控异常
Files
根据GT911寄存器说明，新下发的版本号若小于原版本号会无法生效
所以修改cfg默认设置版本号为A
commit 6343c6ae3d6ccea14cf55e8c78f948c3fb02dde5 (HEAD -> master)
Author: Lin <zblin@kickpi.com>
Date: Tue May 19 16:35:56 2026 +0800
fix(touchscreen): fix gt911 cfg version conflicts
Signed-off-by: Lin <zblin@kickpi.com>
diff --git a/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-lvds-7-1024-600.dtsi b/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-lvds-7-1024-600.dtsi
index 1cf5c65308..f69f5613bb 100644
--- a/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-lvds-7-1024-600.dtsi
+++ b/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-lvds-7-1024-600.dtsi
@@ -216,7 +216,7 @@ pull up or pull down(default 0), driver level(default 1), data>
ctp_power_ldo_vol = <3300>;
ctp_power = <3300>;
goodix,cfg-group0 = [
- 82 00 04 58 02 05 3D 20 22 08
+ 00 00 04 58 02 05 3D 20 22 08
28 08 5F 41 03 05 00 00 00 00
00 00 00 18 1A 1E 14 8C 2E 0E
CF D1 B5 06 00 00 00 B8 02 1D
diff --git a/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-10-800-1280-v2.dtsi b/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-10-800-1280-v2.dtsi
index 2b0b9ef284..1828cbebe2 100644
--- a/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-10-800-1280-v2.dtsi
+++ b/longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-10-800-1280-v2.dtsi
@@ -238,7 +238,7 @@ pull up or pull down(default 0), driver level(default 1), data>
ctp_power_ldo_vol = <3300>;
ctp_power = <3300>;
goodix,cfg-group0 = [
- 70 20 03 00 05 05 35 00 01 0A
+ 00 20 03 00 05 05 35 00 01 0A
28 0F 5A 3C 03 05 00 00 00 00
00 00 06 18 1A 1E 14 8C 2E 0E
B0 B2 B2 04 00 00 00 98 02 1C
Also available in: Atom
PDF