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-rw-r--r--src/udev/udev-builtin-evdev_id.c78
-rw-r--r--src/udev/udev-builtin-input_id.c63
-rw-r--r--src/udev/udev-builtin.c1
-rw-r--r--src/udev/udev.h2
4 files changed, 49 insertions, 95 deletions
diff --git a/src/udev/udev-builtin-evdev_id.c b/src/udev/udev-builtin-evdev_id.c
deleted file mode 100644
index 1b58bdda3d..0000000000
--- a/src/udev/udev-builtin-evdev_id.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * evdev_id - extracts miscellaneous information from evdev devices
- *
- * Copyright (C) 2014 Red Hat
- * Author:
- * Carlos Garnacho <carlosg@gnome.org>
- *
- * 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 keymap; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include <linux/input.h>
-#include "udev.h"
-#include "util.h"
-
-static inline int abs_size_mm(const struct input_absinfo *absinfo) {
- /* Resolution is defined to be in units/mm for ABS_X/Y */
- return (absinfo->maximum - absinfo->minimum) / absinfo->resolution;
-}
-
-static void extract_info(struct udev_device *dev, const char *devpath, bool test) {
- char width[DECIMAL_STR_MAX(int)], height[DECIMAL_STR_MAX(int)];
- struct input_absinfo xabsinfo = {}, yabsinfo = {};
- _cleanup_close_ int fd = -1;
-
- fd = open(devpath, O_RDONLY|O_CLOEXEC);
- if (fd < 0)
- return;
-
- if (ioctl(fd, EVIOCGABS(ABS_X), &xabsinfo) < 0 ||
- ioctl(fd, EVIOCGABS(ABS_Y), &yabsinfo) < 0)
- return;
-
- if (xabsinfo.resolution <= 0 || yabsinfo.resolution <= 0)
- return;
-
- snprintf(width, sizeof(width), "%d", abs_size_mm(&xabsinfo));
- snprintf(height, sizeof(height), "%d", abs_size_mm(&yabsinfo));
-
- udev_builtin_add_property(dev, test, "ID_INPUT_WIDTH_MM", width);
- udev_builtin_add_property(dev, test, "ID_INPUT_HEIGHT_MM", height);
-}
-
-static int builtin_evdev_id(struct udev_device *dev, int argc, char *argv[], bool test) {
- const char *subsystem;
- const char *devnode;
-
- subsystem = udev_device_get_subsystem(dev);
-
- if (!subsystem || !streq(subsystem, "input"))
- return EXIT_SUCCESS;
-
- devnode = udev_device_get_devnode(dev);
- /* not an evdev node */
- if (!devnode)
- return EXIT_SUCCESS;
-
- extract_info(dev, devnode, test);
-
- return EXIT_SUCCESS;
-}
-
-const struct udev_builtin udev_builtin_evdev_id = {
- .name = "evdev_id",
- .cmd = builtin_evdev_id,
- .help = "evdev devices information",
-};
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index e6fd077260..26c723225d 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -1,9 +1,10 @@
/*
- * compose persistent device path
+ * expose input properties via udev
*
* Copyright (C) 2009 Martin Pitt <martin.pitt@ubuntu.com>
* Portions Copyright (C) 2004 David Zeuthen, <david@fubar.dk>
* Copyright (C) 2011 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2014 Carlos Garnacho <carlosg@gnome.org>
* Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
@@ -30,6 +31,7 @@
#include <linux/input.h>
#include "udev.h"
+#include "util.h"
/* we must use this kernel-compatible implementation */
#define BITS_PER_LONG (sizeof(unsigned long) * 8)
@@ -39,6 +41,34 @@
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
+static inline int abs_size_mm(const struct input_absinfo *absinfo) {
+ /* Resolution is defined to be in units/mm for ABS_X/Y */
+ return (absinfo->maximum - absinfo->minimum) / absinfo->resolution;
+}
+
+static void extract_info(struct udev_device *dev, const char *devpath, bool test) {
+ char width[DECIMAL_STR_MAX(int)], height[DECIMAL_STR_MAX(int)];
+ struct input_absinfo xabsinfo = {}, yabsinfo = {};
+ _cleanup_close_ int fd = -1;
+
+ fd = open(devpath, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
+ return;
+
+ if (ioctl(fd, EVIOCGABS(ABS_X), &xabsinfo) < 0 ||
+ ioctl(fd, EVIOCGABS(ABS_Y), &yabsinfo) < 0)
+ return;
+
+ if (xabsinfo.resolution <= 0 || yabsinfo.resolution <= 0)
+ return;
+
+ snprintf(width, sizeof(width), "%d", abs_size_mm(&xabsinfo));
+ snprintf(height, sizeof(height), "%d", abs_size_mm(&yabsinfo));
+
+ udev_builtin_add_property(dev, test, "ID_INPUT_WIDTH_MM", width);
+ udev_builtin_add_property(dev, test, "ID_INPUT_HEIGHT_MM", height);
+}
+
/*
* Read a capability attribute and return bitmask.
* @param dev udev_device
@@ -202,6 +232,7 @@ static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], boo
unsigned long bitmask_abs[NBITS(ABS_MAX)];
unsigned long bitmask_key[NBITS(KEY_MAX)];
unsigned long bitmask_rel[NBITS(REL_MAX)];
+ const char *sysname, *devnode;
/* walk up the parental chain until we find the real input device; the
* argument is very likely a subdevice of this, like eventN */
@@ -209,19 +240,23 @@ static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], boo
while (pdev != NULL && udev_device_get_sysattr_value(pdev, "capabilities/ev") == NULL)
pdev = udev_device_get_parent_with_subsystem_devtype(pdev, "input", NULL);
- /* not an "input" class device */
- if (pdev == NULL)
- return EXIT_SUCCESS;
-
- /* Use this as a flag that input devices were detected, so that this
- * program doesn't need to be called more than once per device */
- udev_builtin_add_property(dev, test, "ID_INPUT", "1");
- get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test);
- get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test);
- get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test);
- get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test);
- test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test);
- test_key(dev, bitmask_ev, bitmask_key, test);
+ if (pdev) {
+ /* Use this as a flag that input devices were detected, so that this
+ * program doesn't need to be called more than once per device */
+ udev_builtin_add_property(dev, test, "ID_INPUT", "1");
+ get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test);
+ get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test);
+ get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test);
+ get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test);
+ test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test);
+ test_key(dev, bitmask_ev, bitmask_key, test);
+ }
+
+ devnode = udev_device_get_devnode(dev);
+ sysname = udev_device_get_sysname(dev);
+ if (devnode && sysname && startswith(sysname, "event"))
+ extract_info(dev, devnode, test);
+
return EXIT_SUCCESS;
}
diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c
index 9cfea5e03b..1950ec23a1 100644
--- a/src/udev/udev-builtin.c
+++ b/src/udev/udev-builtin.c
@@ -47,7 +47,6 @@ static const struct udev_builtin *builtins[] = {
#ifdef HAVE_ACL
[UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess,
#endif
- [UDEV_BUILTIN_EVDEV_ID] = &udev_builtin_evdev_id,
};
void udev_builtin_init(struct udev *udev) {
diff --git a/src/udev/udev.h b/src/udev/udev.h
index ce4188f881..dece6eccab 100644
--- a/src/udev/udev.h
+++ b/src/udev/udev.h
@@ -164,7 +164,6 @@ enum udev_builtin_cmd {
#ifdef HAVE_ACL
UDEV_BUILTIN_UACCESS,
#endif
- UDEV_BUILTIN_EVDEV_ID,
UDEV_BUILTIN_MAX
};
struct udev_builtin {
@@ -191,7 +190,6 @@ extern const struct udev_builtin udev_builtin_net_setup_link;
extern const struct udev_builtin udev_builtin_path_id;
extern const struct udev_builtin udev_builtin_usb_id;
extern const struct udev_builtin udev_builtin_uaccess;
-extern const struct udev_builtin udev_builtin_evdev_id;
void udev_builtin_init(struct udev *udev);
void udev_builtin_exit(struct udev *udev);
enum udev_builtin_cmd udev_builtin_lookup(const char *command);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-02 04:56:59 +0000