Bug ID | 99523 |
---|---|
Summary | mouse-dpi-tool reports 0 dpi |
Product | libevdev |
Version | unspecified |
Hardware | x86-64 (AMD64) |
OS | Linux (All) |
Status | NEW |
Severity | normal |
Priority | medium |
Component | Core |
Assignee | peter.hutterer@who-t.net |
Reporter | guillaume.horel@gmail.com |
CC | dri-devel@lists.freedesktop.org, rankincj@googlemail.com, samuel.pitoiset@gmail.com |
Depends on | 94186 |
I'm trying to record the dpi for my touchpad since it seems quite slow. However it can't seem to compute any distance as I move my finger. This is the output from mouse-dpi-tool. It seems to record the frequency fine, but doesn't read any distance: sudo ./mouse-dpi-tool /dev/input/event7 Mouse FocalTechPS/2 FocalTech Touchpad on /dev/input/event7 Move the device 250mm/10in or more along the x-axis. Pause 3 seconds before movement to reset, Ctrl+C to exit. Covered distance in device units: 0 at frequency 70.4Hz /^C Estimated sampling frequency: 70Hz (mean 62Hz) To calculate resolution, measure physical distance covered and look up the matching resolution in the table below 0mm 0.00in 400dpi 0mm 0.00in 600dpi 0mm 0.00in 800dpi 0mm 0.00in 1000dpi 0mm 0.00in 1200dpi 0mm 0.00in 1400dpi 0mm 0.00in 1600dpi 0mm 0.00in 1800dpi 0mm 0.00in 2000dpi 0mm 0.00in 2200dpi 0mm 0.00in 2400dpi If your resolution is not in the list, calculate it with: resolution=0/inches, or resolution=0 * 25.4/mm Output from udevadm info: P: /devices/platform/i8042/serio4/input/input12/event7 N: input/event7 E: DEVNAME=/dev/input/event7 E: DEVPATH=/devices/platform/i8042/serio4/input/input12/event7 E: ID_BUS=i8042 E: ID_INPUT=1 E: ID_INPUT_TOUCHPAD=1 E: ID_INPUT_TOUCHPAD_INTEGRATION=internal E: LIBINPUT_DEVICE_GROUP=11/2/12/0:isa0060/serio4 E: MAJOR=13 E: MINOR=71 E: SUBSYSTEM=input E: USEC_INITIALIZED=2131871 Entry for hwdb match (replace XXX with the resolution in DPI): mouse:unknown bus type:v0002p0012:name:FocalTechPS/2 FocalTech Touchpad: MOUSE_DPI=XXX@70 This is a FocalTech Touchpad on an Asus UX303UB latpop.
Referenced Bugs:
- [Bug 94186] Crash when launching glxinfo and World of Warcraft with RV790
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