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[solved] install touchpad on asus R753Ua ?
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skorefish
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PostPosted: Mon Jul 24, 2017 3:37 pm    Post subject: [solved] install touchpad on asus R753Ua ? Reply with quote

hey,

I' m trying to install the touchpad on asus R753Ua,
I think it's a elantech touchpad..

dmesg: https://paste.pound-python.org/show/DuDhe6MzFsZoeiitH9t1/

It works fine in systemrescuecd so 'i m trying to copy the settings.

dmesg (systemrescuecd): https://paste.pound-python.org/show/hgnkeVm7Ad8clMeAlf34/
.config: https://paste.pound-python.org/show/KmuqtQ7eclMlGzlPv8jc/
lspci: https://paste.pound-python.org/show/n8bx1ztu0EQ6a3Kk88Y9/

Yes indeed
Quote:
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)


Its a new laptop


Last edited by skorefish on Mon Jul 24, 2017 6:08 pm; edited 4 times in total
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Telemin
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Joined: 25 Aug 2005
Posts: 734
Location: Glasgow, UK

PostPosted: Mon Jul 24, 2017 3:56 pm    Post subject: Reply with quote

Hi there,

Can you post kernel config, lspci -k please? To check if the kernel sees it, you can look at the output of "cat /sys/class/input/event*/device/name" and see if it shows up in the list.

Also how old is the machine, if it is new it might have an I2C touchpad. If lspci -k reports "Sunrise Point" hardware, this is certainly the case (see https://forums.gentoo.org/viewtopic-t-1066604-highlight-.html for guidance there)

-Telemin-
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skorefish
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PostPosted: Mon Jul 24, 2017 4:08 pm    Post subject: Reply with quote

now it doesn't
    Lid Switch
    HDA Intel PCH HDMI/DP,pcm=3
    USB2.0 VGA UVC WebCam
    Wicrosoft Wicrosoft Wireless Optical Mouse® 1.00
    Sleep Button
    Power Button
    Video Bus
    PC Speaker
    AT Translated Set 2 keyboard
    Asus WMI hotkeys
    Asus Wireless Radio Control
    HDA Intel PCH Mic
    HDA Intel PCH Headphone
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Telemin
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Posts: 734
Location: Glasgow, UK

PostPosted: Mon Jul 24, 2017 4:32 pm    Post subject: Reply with quote

Okay, so you need to enable the LPSS I2C drivers, as well as the I2C_HID and I2C_DESIGNWARE symbols in the kernel. The details are in the other thread I linked to.

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skorefish
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PostPosted: Mon Jul 24, 2017 4:36 pm    Post subject: Reply with quote

CONFIG_MFD_INTEL_LPSS_PCI was off

now it works thx a lot

new .config https://paste.pound-python.org/show/Gq6wgfuCv1gxZmmL2Rfx/

> # CONFIG_INPUT_PWM_BEEPER is not set
> CONFIG_MFD_INTEL_LPSS=y
> CONFIG_MFD_INTEL_LPSS_ACPI=y
> CONFIG_MFD_INTEL_LPSS_PCI=y
> # CONFIG_BACKLIGHT_PWM is not set
> # CONFIG_BACKLIGHT_LM3630A is not set
> # CONFIG_BACKLIGHT_LP855X is not set
> # CONFIG_LEDS_PWM is not set
> # CONFIG_COMMON_CLK_PWM is not set
> CONFIG_PWM=y
> CONFIG_PWM_SYSFS=y
> CONFIG_PWM_LPSS=y
> CONFIG_PWM_LPSS_PCI=y
> CONFIG_PWM_LPSS_PLATFORM=y
> # CONFIG_PWM_PCA9685 is not set
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