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最后登录1970-1-1
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注册时间2016-7-27
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没有触摸屏的event上报,用表量了下MIPI DSI LCD接口和触摸有关的电压,12PIN CTP_RST是1.092V,11PIN CTP_INT几乎为零,手指按上屏幕后能到0.1xV,怀疑有脉冲信号,但是没示波器确认不了。
- C:\Users\Administrator>adb -s ec05c820e0d2cba7 shell
- rk3576_lubancat_3_mipi1080p:/ $ i2cdetect -a 2
- Probe chips 0x00-0x7f on bus 2? (Y/n):y
- i2cdetect: /dev/i2c-2: Permission denied
- 1|rk3576_lubancat_3_mipi1080p:/ $ su
- rk3576_lubancat_3_mipi1080p:/ # i2cdetect -a 2
- Probe chips 0x00-0x7f on bus 2? (Y/n):y
- 0 1 2 3 4 5 6 7 8 9 a b c d e f
- 00: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- 20: -- -- UU -- -- -- -- -- -- -- -- -- -- -- -- --
- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- 50: -- 51 -- -- -- -- -- -- -- -- -- -- -- UU -- --
- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- 70: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
- rk3576_lubancat_3_mipi1080p:/ # dmesg | grep Goodix
- [ 2.851444] Goodix-TS 2-005d: supply AVDD28 not found, using dummy regulator
- [ 2.851513] Goodix-TS 2-005d: supply VDDIO not found, using dummy regulator
- [ 2.949372] Goodix-TS 2-005d: ID 911, version: 1060
- [ 2.950019] Goodix-TS 2-005d: Direct firmware load for goodix_911_cfg.bin failed with error -2
- [ 2.967503] Goodix-TS 2-005d: No touchscreen properties in eeprom, using defaults
- [ 2.967596] input: Goodix Capacitive TouchScreen as /devices/platform/2ac50000.i2c/i2c-2/2-005d/input/input2
- rk3576_lubancat_3_mipi1080p:/ # getevent
- add device 1: /dev/input/event4
- name: "rockchip-es8388 Headset"
- add device 2: /dev/input/event6
- name: "adc-keys"
- add device 3: /dev/input/event3
- name: "headset-keys"
- add device 4: /dev/input/event0
- name: "27330000.pwm"
- add device 5: /dev/input/event1
- name: "rk805 pwrkey"
- add device 6: /dev/input/event5
- name: "SIGMACHIP Usb Mouse"
- add device 7: /dev/input/event2
- name: "Goodix Capacitive TouchScreen"
- /dev/input/event6: 0001 0074 00000001
- /dev/input/event6: 0000 0000 00000000
- /dev/input/event6: 0001 0074 00000000
- /dev/input/event6: 0000 0000 00000000
- /dev/input/event1: 0001 0074 00000001
- /dev/input/event1: 0000 0000 00000000
- /dev/input/event1: 0001 0074 00000000
- /dev/input/event1: 0000 0000 00000000
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