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WaveShare 5inch HDMI LCD (B), OPi PC 2


o_flyer

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Hello, guys. I have a trouble with touch screen on OPi PC 2 (Connected via USB). Touch detected like 

Bus 006 Device 002: ID 0eef:0005 D-WAV Scientific Co., Ltd 

Tried to add `modprobe ads7846` and `modprobe hid-multitouch`. Without results. But on last command returned an error

modprobe: FATAL: Module hid-multitouch not found in directory /lib/modules/4.11.1-sun50iw2

 

Can u help me? Thanks.

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2 minutes ago, o_flyer said:

Very little information on this matter ;(


You need to get a driver to run and that driver is usually supplied by hardware maker. It's also possible that support exists in a kernel, but it's not enabled. It's on you to find out ...

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38 minutes ago, o_flyer said:

Touch detected like 


Bus 006 Device 002: ID 0eef:0005 D-WAV Scientific Co., Ltd 

Tried to add `modprobe ads7846` and `modprobe hid-multitouch`.

ADS7846 is an SPI driver, but you list a USB based device.

 

38 minutes ago, o_flyer said:

But on last command returned an error


modprobe: FATAL: Module hid-multitouch not found in directory /lib/modules/4.11.1-sun50iw2

 

It's not enabled in the kernel config, and even if we enable it you will need to compile a new kernel or install new packages manually.

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@o_flyer


Is perhaps such display?

https://github.com/TinkerBoard/debian_kernel/commit/ea22619e44dea9118442c45b33cf243ed2d85021

https://github.com/TinkerBoard/debian_kernel/commit/26a39a08af6382f0ea9afebf0b1630d46d94d550

Than some kernel patching is needed. Just to understand where you might need to start digging in ... 

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When installing new kernel, you should always install the DTB that comes from the same build, because there can be discrepancies across 2 builds.

 

EDIT : I've just realized that maybe you are using Legacy build instead of Mainline, in such case DTB doesn't exist.

BTW, did you carefully looked at the "dmesg" logs ?

 

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