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add SOUND_INITIALIZED property and pipewire fix #69

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add SOUND_INITIALIZED property and pipewire fix #69

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34 changes: 34 additions & 0 deletions udev_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
*/

#include <stdio.h>
#include <dirent.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
Expand Down Expand Up @@ -379,6 +380,38 @@ static int set_properties_from_uevent(struct udev_device *udev_device, const cha
return 0;
}

static void is_sound_initialized(struct udev_device *udev_device, const char* path) {
const char *subsystem;
DIR *device_folder;
struct dirent *dp;
char control[PATH_MAX];

subsystem = udev_device_get_subsystem(udev_device);
if (!subsystem || strcmp(subsystem, "sound") != 0) {
return;
}

if (strncmp(strrchr(path, '/'), "/card", 5)) {
snprintf(control, PATH_MAX, "%s/..", path);
device_folder = opendir(control);
} else {
device_folder = opendir(path);
}

if (!device_folder) {
return;
}

while ((dp = readdir(device_folder)) != NULL) {
if (strncmp(dp->d_name, "controlC", 8) == 0) {
udev_list_entry_add(&udev_device->properties, "SOUND_INITIALIZED", "1", 0);
break;
}
}

closedir(device_folder);
}

static void make_bit(unsigned long *arr, int cnt, const char *str)
{
size_t len;
Expand Down Expand Up @@ -593,6 +626,7 @@ struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *

set_properties_from_evdev(udev_device);
set_properties_from_props(udev_device);
is_sound_initialized(udev_device, path);

free(driver);
free(subsystem);
Expand Down
4 changes: 3 additions & 1 deletion udev_enumerate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,7 @@ static int filter_sysattr(struct udev_enumerate *udev_enumerate, struct udev_dev

static void add_device(struct udev_enumerate *udev_enumerate, const char *path)
{
struct udev_device *udev_device;
struct udev_device *udev_device, *parent;

udev_device = udev_device_new_from_syspath(udev_enumerate->udev, path);

Expand All @@ -241,6 +241,8 @@ static void add_device(struct udev_enumerate *udev_enumerate, const char *path)
return;
}

if ((parent = udev_device_get_parent(udev_device)))
udev_list_entry_add(&udev_enumerate->devices, udev_device_get_syspath(parent), NULL, 0);
udev_list_entry_add(&udev_enumerate->devices, udev_device_get_syspath(udev_device), NULL, 0);

udev_device_unref(udev_device);
Expand Down