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Add udev rules to set devices to autosuspend

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Most fingerprint readers can be suspended safely, so use
the udev rules to autosuspend them when they appear.

The script itself contains whitelists and blacklists.
This commit is contained in:
Matthew Garrett 2009-10-01 15:08:41 +01:00 committed by Bastien Nocera
parent 014b933b2b
commit a99e813bbf
2 changed files with 84 additions and 2 deletions
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13
libfprint/Makefile.am
View file

@ -1,6 +1,6 @@
lib_LTLIBRARIES = libfprint.la lib_LTLIBRARIES = libfprint.la
noinst_PROGRAMS = fprint-list-hal-info noinst_PROGRAMS = fprint-list-hal-info fprint-list-udev-rules
MOSTLYCLEANFILES = $(hal_fdi_DATA) MOSTLYCLEANFILES = $(hal_fdi_DATA) $(udev_rules_DATA)
UPEKTS_SRC = drivers/upekts.c UPEKTS_SRC = drivers/upekts.c
UPEKTC_SRC = drivers/upektc.c UPEKTC_SRC = drivers/upektc.c
@ -66,6 +66,15 @@ hal_fdidir = $(datadir)/hal/fdi/information/20thirdparty/
$(hal_fdi_DATA): fprint-list-hal-info $(hal_fdi_DATA): fprint-list-hal-info
$(builddir)/fprint-list-hal-info > $@ $(builddir)/fprint-list-hal-info > $@
fprint_list_udev_rules_SOURCES = fprint-list-udev-rules.c
fprint_list_udev_rules_CFLAGS = -fvisibility=hidden -I$(srcdir)/nbis/include $(LIBUSB_CFLAGS) $(GLIB_CFLAGS) $(IMAGEMAGICK_CFLAGS) $(CRYPTO_CFLAGS) $(AM_CFLAGS)
fprint_list_udev_rules_LDADD = $(builddir)/libfprint.la
udev_rules_DATA = 60-fprint-autosuspend.rules
udev_rulesdir = $(sysconfdir)/udev/rules.d/
$(udev_rules_DATA): fprint-list-udev-rules
$(builddir)/fprint-list-udev-rules > $@
if ENABLE_UPEKTS if ENABLE_UPEKTS
DRIVER_SRC += $(UPEKTS_SRC) DRIVER_SRC += $(UPEKTS_SRC)

73
libfprint/fprint-list-udev-rules.c Normal file
View file

@ -0,0 +1,73 @@
/*
* Copyright (C) 2009 Red Hat <mjg@redhat.com>
* Copyright (C) 2008 Bastien Nocera <hadess@hadess.net>
* Copyright (C) 2008 Timo Hoenig <thoenig@suse.de>, <thoenig@nouse.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <stdio.h>
#include "fp_internal.h"
static const struct usb_id whitelist_id_table[] = {
{ .vendor = 0x08ff, .product = 0x2810 },
{ 0, 0, 0, },
};
static const struct usb_id blacklist_id_table[] = {
{ .vendor = 0x0483, .product = 0x2016 },
{ 0, 0, 0 },
};
struct fp_driver whitelist = {
.id_table = whitelist_id_table,
};
static void print_driver (struct fp_driver *driver)
{
int i, j, blacklist;
for (i = 0; driver->id_table[i].vendor != 0; i++) {
blacklist = 0;
for (j = 0; blacklist_id_table[j].vendor != 0; j++) {
if (driver->id_table[i].vendor == blacklist_id_table[j].vendor &&
driver->id_table[j].product == blacklist_id_table[j].product) {
blacklist = 1;
}
}
if (blacklist)
continue;
printf ("SUBSYSTEM==\"usb\", ATTRS{idVendor}==\"%04x\", ATTRS{idProduct}==\"%04x\", ATTRS{dev}==\"*\", ATTR{power/level}=\"auto\"\n", driver->id_table[i].vendor, driver->id_table[i].product);
}
}
int main (int argc, char **argv)
{
struct fp_driver **list;
guint i;
list = fprint_get_drivers ();
for (i = 0; list[i] != NULL; i++) {
print_driver (list[i]);
}
print_driver (&whitelist);
return 0;
}