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user/rm-utils: new aport

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This commit is contained in:
Antoine Martin 2023-04-23 18:00:34 -04:00
parent c69f4afcb4
commit 75e08ef1c8
Signed by: forge
GPG key ID: D62A472A4AA7D541
6 changed files with 649 additions and 0 deletions
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40
user/rm-utils/APKBUILD Normal file
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# Maintainer: Antoine Martin (ayakael) <dev@ayakael.net>
# Contributor: Antoine Martin (ayakael) <dev@ayakael.net>
pkgname=rm-utils
pkgver=0.0.1
pkgrel=0
pkgdesc="Utility files for reMarkable tablet"
arch="armv7 armhf"
url="http://www.davisr.me/projects/parabola-rm/"
license="GPL-3.0-only"
makedepends="musl-dev linux-headers"
options="!check" # No testsuite
builddir="$srcdir"
source="
battery-monitor.sh
epdc-init-auto.c
epdc-show-bitmap.c
xorg.conf
mxcfb.h
"
build() {
$CC -c epdc-init-auto.c -o epdc-init-auto -I/usr/include
$CC -c epdc-show-bitmap.c -o epdc-show-bitmap -I/usr/include
}
package() {
install -vDm755 battery-monitor.sh "$pkgdir"/usr/bin/battery-monitor
install -vDm755 epdc-show-bitmap -t "$pkgdir"/usr/bin/
install -vDm755 epdc-init-auto -t "$pkgdir"/usr/bin/
install -vDm644 xorg.conf -t "$pkgdir"/etc/defaults/
}
sha512sums="
7f0e6cb276357983b76c37c81a91c0d278dbec16d8982a97618f2217ef5e4d706211d921af6c79db3aad912d50aaed8cf5ce67f52a1081f61585eb97322c8deb battery-monitor.sh
50813c5c2e888e106416dd0b5b515c8a145da23343992b29ee8ad325a72a7b4bd464824636ea66c95f16df20f357646bf8e9e1ed66367f8b540b50dc608495d6 epdc-init-auto.c
274ba66666628ec12ee32e2054d7fd2d3ebcccb144784934f645472d482ed0d56777ebd87a342dd121c6e753e8efc776d9c340e4f54ac3b0fb460afbdb0020fe epdc-show-bitmap.c
e14a61751e4c830652e7a849b9d596c6bc213fed87ba3f9f7c3df0d5fe35ddf28bde7de2fa977c0321639503ceff5abffd0d856380eacce24389fd50eaf3372a xorg.conf
0f3ccef7102c961232002f483344f9efc915f2862cefeaa966835ca7aa2f4d6236ac3df998189f3983535f03ede945565c54bb7e5f88f3a34c3a4429c3c075e7 mxcfb.h
"

37
user/rm-utils/battery-monitor.sh Normal file
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#!/usr/bin/env bash
#
# battery-monitor.sh
# Prints the state of charge of the tablet's battery
#
# Parabola-rM is a free operating system for the reMarakble tablet.
# Copyright (C) 2020
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.
# Path for Linux 4.9
battpath="/sys/class/power_supply/bq27441-0"
chargenow="$(cat $battpath/charge_now)"
chargefull="$(cat $battpath/charge_full)"
status="$(cat $battpath/status)"
chargepct="$(echo $chargenow $chargefull \
| awk '{printf "%f", $1 / $2 * 100}' \
| cut -d'.' -f1)"
symbol=""
if [[ "Charging" == "$status" ]]; then
symbol=$'\u26a1' # Lightning symbol
fi
echo "${symbol}${chargepct}%"

126
user/rm-utils/epdc-init-auto.c Normal file
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/*
epdc-init-auto.c
Initializes the EPDC framebuffer into a deferred-IO automatic-update
mode
Parabola-rM is a free operating system for the reMarakble tablet.
Copyright (C) 2020 Davis Remmel
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "mxcfb.h"
#include <stdio.h>
int main()
{
int ret;
int fb = open("/dev/fb0", O_RDWR);
struct fb_var_screeninfo vinfo;
ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOGET_VSCREENINFO failed with error "
"%d, aborting\n", ret);
return 1;
}
vinfo.xres = 1872;
vinfo.yres = 1404;
vinfo.pixclock = 160000000;
vinfo.left_margin = 32;
vinfo.right_margin = 326;
vinfo.upper_margin = 4;
vinfo.lower_margin = 12;
vinfo.hsync_len = 44;
vinfo.vsync_len = 1;
vinfo.sync = 0;
vinfo.vmode = FB_VMODE_NONINTERLACED;
vinfo.accel_flags = 0;
vinfo.activate = FB_ACTIVATE_FORCE;
// Put screen info. Sometimes this fails when trying to set the
// pixclock. This may be a bug in the driver's arithmetic.
ret = ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOPUT_VSCREENINFO failed with error "
"%d, attempting to reset pixclock\n", ret);
vinfo.pixclock = 6250;
ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
vinfo.pixclock = 160000000;
ret = ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOPUT_VSCREENINFO failed "
"with error %d, aborting\n", ret);
return 1;
}
}
// Pull the screeninfo agian
ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOGET_VSCREENINFO failed with error "
"%d, aborting\n", ret);
return 1;
}
printf("x:%d y:%d activate:%d bpp:%d rotate:%d hsync_len:%d"
"vsync_len: %d sync:%d\n",
vinfo.xres, vinfo.yres, vinfo.activate,
vinfo.bits_per_pixel, vinfo.rotate, vinfo.hsync_len,
vinfo.vsync_len, vinfo.sync);
struct fb_fix_screeninfo finfo;
ret = ioctl(fb, FBIOGET_FSCREENINFO, &finfo);
if (0 != ret) {
fprintf(stderr, "FBIOGET_FSCREENINFO failed with error "
"%d, aborting\n", ret);
return 1;
}
// In case the EPDC wasn't accessible
ret = ioctl(fb, MXCFB_ENABLE_EPDC_ACCESS);
if (0 != ret) {
fprintf(stderr, "MXCFB_ENABLE_EPDC_ACCESS failed with "
"error %d, aborting\n", ret);
return 1;
}
// Set auto update mode
__u32 aumode = AUTO_UPDATE_MODE_AUTOMATIC_MODE;
ret = ioctl(fb, MXCFB_SET_AUTO_UPDATE_MODE, &aumode);
if (0 != ret) {
fprintf(stderr, "MXCFB_SET_AUTO_UPDATE_MODE failed "
"with error %d, aborting\n", ret);
return 1;
}
// Queue-and-merge is best-performing
__u32 uscheme = UPDATE_SCHEME_QUEUE_AND_MERGE;
ret = ioctl(fb, MXCFB_SET_UPDATE_SCHEME, &uscheme);
if (0 != ret) {
fprintf(stderr, "MXCFB_SET_UPDATE_SCHEME failed with "
"error %d, aborting\n", ret);
return 1;
}
close(fb);
return 0;
}

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/*
epdc-show-bitmap.c
Displays a raw image to the EPDC framebuffer
Parabola-rM is a free operating system for the reMarakble tablet.
Copyright (C) 2020 Davis Remmel
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "mxcfb.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
if (argc < 2) {
printf("Must pass an image as an argument.\n");
return 1;
}
int ret;
int fb = open("/dev/fb0", O_RDWR);
struct fb_var_screeninfo vinfo;
ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
if (0 != ret) {
printf("FBIOGET_VSCREENINFO failed with error %d"
", aborting\n", ret);
return 1;
}
vinfo.xres = 1872;
vinfo.yres = 1404;
vinfo.pixclock = 160000000;
vinfo.left_margin = 32;
vinfo.right_margin = 326;
vinfo.upper_margin = 4;
vinfo.lower_margin = 12;
vinfo.hsync_len = 44;
vinfo.vsync_len = 1;
vinfo.sync = 0;
vinfo.vmode = FB_VMODE_NONINTERLACED;
vinfo.accel_flags = 0;
vinfo.activate = FB_ACTIVATE_FORCE;
// Put screen info. Sometimes this fails when trying to set the
// pixclock. This may be a bug in the driver's arithmetic.
ret = ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOPUT_VSCREENINFO failed with error "
"%d, attempting To reset pixclock\n", ret);
vinfo.pixclock = 6250;
ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
vinfo.pixclock = 160000000;
ret = ioctl(fb, FBIOPUT_VSCREENINFO, &vinfo);
if (0 != ret) {
fprintf(stderr, "FBIOPUT_VSCREENINFO failed "
"with error %d, aborting\n", ret);
return 1;
}
}
printf("x:%d y:%d activate:%d bpp:%d rotate:%d hsync_len:%d"
"vsync_len: %d sync:%d\n",
vinfo.xres, vinfo.yres, vinfo.activate,
vinfo.bits_per_pixel, vinfo.rotate, vinfo.hsync_len,
vinfo.vsync_len, vinfo.sync);
struct fb_fix_screeninfo finfo;
ret = ioctl(fb, FBIOGET_FSCREENINFO, &finfo);
if (0 != ret) {
fprintf(stderr, "FBIOGET_FSCREENINFO failed with error "
"%d, aborting\n", ret);
return 1;
}
// In case the EPDC wasn't accessible
ret = ioctl(fb, MXCFB_ENABLE_EPDC_ACCESS);
if (0 != ret) {
fprintf(stderr, "MXCFB_ENABLE_EPDC_ACCESS failed with "
"error %d, aborting\n", ret);
return 1;
}
// Set to partial mode to control update parameters
__u32 aumode = AUTO_UPDATE_MODE_REGION_MODE;
ret = ioctl(fb, MXCFB_SET_AUTO_UPDATE_MODE, &aumode);
if (0 != ret) {
fprintf(stderr, "MXCFB_SET_AUTO_UPDATE_MODE failed "
"with error %d, aborting\n", ret);
return 1;
}
// No artifacts in display output
__u32 uscheme = UPDATE_SCHEME_SNAPSHOT;
ret = ioctl(fb, MXCFB_SET_UPDATE_SCHEME, &uscheme);
if (0 != ret) {
fprintf(stderr, "MXCFB_SET_UPDATE_SCHEME failed with "
"error %d, aborting\n", ret);
return 1;
}
// Set up update (same region for all writes, gets reused)
struct mxcfb_update_data bupdate;
bupdate.update_region.left = 0;
bupdate.update_region.top = 0;
bupdate.update_region.width = 1872;
bupdate.update_region.height = 1404;
bupdate.waveform_mode = WAVEFORM_MODE_AUTO;
bupdate.update_mode = UPDATE_MODE_FULL;
bupdate.update_marker = 0;
bupdate.temp = TEMP_USE_AMBIENT;
bupdate.flags = 0;
struct mxcfb_update_marker_data updm;
updm.update_marker = 0;
// mmap to framebuffer
int buflength = vinfo.yres_virtual * finfo.line_length;
printf("buflength %d\n", buflength);
char * region = mmap(0, buflength, PROT_READ | PROT_WRITE,
MAP_SHARED, fb, (off_t)0);
if (region == MAP_FAILED) {
fprintf(stderr, "map failed!\n");
return 1;
}
// Write black
memset(region, 0x00, buflength);
ioctl(fb, MXCFB_SEND_UPDATE, &bupdate);
ioctl(fb, MXCFB_WAIT_FOR_UPDATE_COMPLETE, &updm);
// Write white
memset(region, 0xff, buflength);
ioctl(fb, MXCFB_SEND_UPDATE, &bupdate);
ioctl(fb, MXCFB_WAIT_FOR_UPDATE_COMPLETE, &updm);
// Write image
FILE *pattern = fopen(argv[1], "rb");
fseek(pattern, 0, SEEK_END);
long psize = ftell(pattern);
printf("psize is %d\n", psize);
fseek(pattern, 0, SEEK_SET);
if (psize != buflength) {
fprintf(stderr, "Image must match framebuffer size\n");
return 1;
}
char *buffer = malloc(psize);
fread(buffer, psize, 1, pattern);
fclose(pattern);
memcpy(region, buffer, psize);
ret = ioctl(fb, MXCFB_SEND_UPDATE, &bupdate);
ioctl(fb, MXCFB_WAIT_FOR_UPDATE_COMPLETE, &updm);
if (0 != ret) {
fprintf(stderr, "MXCFB_SEND_UPDATE failed with error "
"%d, aborting\n", ret);
return 1;
}
close(fb);
return 0;
}

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user/rm-utils/mxcfb.h Normal file
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/*
* Copyright (C) 2013-2015 Freescale Semiconductor, Inc. All Rights Reserved
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* @file uapi/linux/mxcfb.h
*
* @brief Global header file for the MXC frame buffer
*
* @ingroup Framebuffer
*/
#ifndef __ASM_ARCH_MXCFB_H__
#define __ASM_ARCH_MXCFB_H__
#include <linux/fb.h>
#define FB_SYNC_OE_LOW_ACT 0x80000000
#define FB_SYNC_CLK_LAT_FALL 0x40000000
#define FB_SYNC_DATA_INVERT 0x20000000
#define FB_SYNC_CLK_IDLE_EN 0x10000000
#define FB_SYNC_SHARP_MODE 0x08000000
#define FB_SYNC_SWAP_RGB 0x04000000
#define FB_ACCEL_TRIPLE_FLAG 0x00000000
#define FB_ACCEL_DOUBLE_FLAG 0x00000001
struct mxcfb_gbl_alpha {
int enable;
int alpha;
};
struct mxcfb_loc_alpha {
int enable;
int alpha_in_pixel;
unsigned long alpha_phy_addr0;
unsigned long alpha_phy_addr1;
};
struct mxcfb_color_key {
int enable;
__u32 color_key;
};
struct mxcfb_pos {
__u16 x;
__u16 y;
};
struct mxcfb_gamma {
int enable;
int constk[16];
int slopek[16];
};
struct mxcfb_gpu_split_fmt {
struct fb_var_screeninfo var;
unsigned long offset;
};
struct mxcfb_rect {
__u32 top;
__u32 left;
__u32 width;
__u32 height;
};
#define GRAYSCALE_8BIT 0x1
#define GRAYSCALE_8BIT_INVERTED 0x2
#define GRAYSCALE_4BIT 0x3
#define GRAYSCALE_4BIT_INVERTED 0x4
#define AUTO_UPDATE_MODE_REGION_MODE 0
#define AUTO_UPDATE_MODE_AUTOMATIC_MODE 1
#define UPDATE_SCHEME_SNAPSHOT 0
#define UPDATE_SCHEME_QUEUE 1
#define UPDATE_SCHEME_QUEUE_AND_MERGE 2
#define UPDATE_MODE_PARTIAL 0x0
#define UPDATE_MODE_FULL 0x1
#define WAVEFORM_MODE_GLR16 4
#define WAVEFORM_MODE_GLD16 5
#define WAVEFORM_MODE_AUTO 257
#define TEMP_USE_AMBIENT 0x1000
#define EPDC_FLAG_ENABLE_INVERSION 0x01
#define EPDC_FLAG_FORCE_MONOCHROME 0x02
#define EPDC_FLAG_USE_CMAP 0x04
#define EPDC_FLAG_USE_ALT_BUFFER 0x100
#define EPDC_FLAG_TEST_COLLISION 0x200
#define EPDC_FLAG_GROUP_UPDATE 0x400
#define EPDC_FLAG_USE_DITHERING_Y1 0x2000
#define EPDC_FLAG_USE_DITHERING_Y4 0x4000
#define EPDC_FLAG_USE_REGAL 0x8000
enum mxcfb_dithering_mode {
EPDC_FLAG_USE_DITHERING_PASSTHROUGH = 0x0,
EPDC_FLAG_USE_DITHERING_FLOYD_STEINBERG,
EPDC_FLAG_USE_DITHERING_ATKINSON,
EPDC_FLAG_USE_DITHERING_ORDERED,
EPDC_FLAG_USE_DITHERING_QUANT_ONLY,
EPDC_FLAG_USE_DITHERING_MAX,
};
#define FB_POWERDOWN_DISABLE -1
#define FB_TEMP_AUTO_UPDATE_DISABLE -1
struct mxcfb_alt_buffer_data {
__u32 phys_addr;
__u32 width; /* width of entire buffer */
__u32 height; /* height of entire buffer */
struct mxcfb_rect alt_update_region; /* region within buffer to update */
};
struct mxcfb_update_data {
struct mxcfb_rect update_region;
__u32 waveform_mode;
__u32 update_mode;
__u32 update_marker;
int temp;
unsigned int flags;
int dither_mode;
int quant_bit;
struct mxcfb_alt_buffer_data alt_buffer_data;
};
struct mxcfb_update_marker_data {
__u32 update_marker;
__u32 collision_test;
};
/*
* Structure used to define waveform modes for driver
* Needed for driver to perform auto-waveform selection
*/
struct mxcfb_waveform_modes {
int mode_init;
int mode_du;
int mode_gc4;
int mode_gc8;
int mode_gc16;
int mode_gc32;
};
/*
* Structure used to define a 5*3 matrix of parameters for
* setting IPU DP CSC module related to this framebuffer.
*/
struct mxcfb_csc_matrix {
int param[5][3];
};
#define MXCFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t)
#define MXCFB_SET_GBL_ALPHA _IOW('F', 0x21, struct mxcfb_gbl_alpha)
#define MXCFB_SET_CLR_KEY _IOW('F', 0x22, struct mxcfb_color_key)
#define MXCFB_SET_OVERLAY_POS _IOWR('F', 0x24, struct mxcfb_pos)
#define MXCFB_GET_FB_IPU_CHAN _IOR('F', 0x25, u_int32_t)
#define MXCFB_SET_LOC_ALPHA _IOWR('F', 0x26, struct mxcfb_loc_alpha)
#define MXCFB_SET_LOC_ALP_BUF _IOW('F', 0x27, unsigned long)
#define MXCFB_SET_GAMMA _IOW('F', 0x28, struct mxcfb_gamma)
#define MXCFB_GET_FB_IPU_DI _IOR('F', 0x29, u_int32_t)
#define MXCFB_GET_DIFMT _IOR('F', 0x2A, u_int32_t)
#define MXCFB_GET_FB_BLANK _IOR('F', 0x2B, u_int32_t)
#define MXCFB_SET_DIFMT _IOW('F', 0x2C, u_int32_t)
#define MXCFB_CSC_UPDATE _IOW('F', 0x2D, struct mxcfb_csc_matrix)
#define MXCFB_SET_GPU_SPLIT_FMT _IOW('F', 0x2F, struct mxcfb_gpu_split_fmt)
#define MXCFB_SET_PREFETCH _IOW('F', 0x30, int)
#define MXCFB_GET_PREFETCH _IOR('F', 0x31, int)
/* IOCTLs for E-ink panel updates */
#define MXCFB_SET_WAVEFORM_MODES _IOW('F', 0x2B, struct mxcfb_waveform_modes)
#define MXCFB_SET_TEMPERATURE _IOW('F', 0x2C, int32_t)
#define MXCFB_SET_AUTO_UPDATE_MODE _IOW('F', 0x2D, __u32)
#define MXCFB_SEND_UPDATE _IOW('F', 0x2E, struct mxcfb_update_data)
#define MXCFB_WAIT_FOR_UPDATE_COMPLETE _IOWR('F', 0x2F, struct mxcfb_update_marker_data)
#define MXCFB_SET_PWRDOWN_DELAY _IOW('F', 0x30, int32_t)
#define MXCFB_GET_PWRDOWN_DELAY _IOR('F', 0x31, int32_t)
#define MXCFB_SET_UPDATE_SCHEME _IOW('F', 0x32, __u32)
#define MXCFB_GET_WORK_BUFFER _IOWR('F', 0x34, unsigned long)
#define MXCFB_SET_TEMP_AUTO_UPDATE_PERIOD _IOW('F', 0x36, int32_t)
#define MXCFB_DISABLE_EPDC_ACCESS _IO('F', 0x35)
#define MXCFB_ENABLE_EPDC_ACCESS _IO('F', 0x36)
#endif

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Section "ServerLayout"
Identifier "reMarkable Tablet RM100"
Screen 0 "Screen0"
InputDevice "wacom" "CorePointer"
EndSection
Section "ServerFlags"
Option "BlankTime" "0"
Option "StandbyTime" "0"
Option "SuspendTime" "0"
Option "OffTime" "0"
EndSection
Section "Monitor"
Identifier "Monitor0"
DisplaySize 210 158 # mm, sets DPI
Modeline "1872x1404_30.00" 104.26 1872 1960 2152 2432 1404 1405 \
1408 1429 -HSync +Vsync
Option "PreferredMode" "1872x1404_30.00"
EndSection
Section "Screen"
Identifier "Screen0"
Monitor "Monitor0"
Device "epdc0"
DefaultDepth 16
SubSectionSub "Display"
Depth 16
Modes "1872x1404_30.00"
EndSubSection
EndSection
Section "Device"
Identifier "epdc0"
Driver "fbdev"
Option "fbdev" "/dev/fb0"
Option "Rotate" "CW"
EndSection
Section "InputDevice"
Identifier "wacom"
Driver "evdev"
Option "Protocol" "Auto"
Option "Device" "/dev/input/event0"
Option "SwapAxes" "1"
Option "InvertY" "1"
EndSection
Section "InputClass"
Identifier "touchscreen"
MatchIsTouchscreen "on"
MatchDevicePath "/dev/input/event1"
Driver "libinput"
Option "CalibrationMatrix" "-1 0 1 0 -1 1 0 0 1" # Rot 180
EndSection
Section "InputClass"
Identifier "facialbuttons"
MatchIsKeyboard "on"
MatchDevicePath "/dev/input/event2"
Driver "libinput"
EndSection