return u;
}
-int pa_udev_get_info(pa_core *core, pa_proplist *p, int card_idx) {
+static int dehex(char x) {
+ if (x >= '0' && x <= '9')
+ return x - '0';
+
+ if (x >= 'A' && x <= 'F')
+ return x - 'A' + 10;
+
+ if (x >= 'a' && x <= 'f')
+ return x - 'a' + 10;
+
+ return -1;
+}
+
+static void proplist_sets_unescape(pa_proplist *p, const char *prop, const char *s) {
+ const char *f;
+ char *t, *r;
+ int c = 0;
+
+ enum {
+ TEXT,
+ BACKSLASH,
+ EX,
+ FIRST
+ } state = TEXT;
+
+ /* The resulting string is definitely shorter than the source string */
+ r = pa_xnew(char, strlen(s)+1);
+
+ for (f = s, t = r; *f; f++) {
+
+ switch (state) {
+
+ case TEXT:
+ if (*f == '\\')
+ state = BACKSLASH;
+ else
+ *(t++) = *f;
+ break;
+
+ case BACKSLASH:
+ if (*f == 'x')
+ state = EX;
+ else {
+ *(t++) = '\\';
+ *(t++) = *f;
+ state = TEXT;
+ }
+ break;
+
+ case EX:
+ c = dehex(*f);
+
+ if (c < 0) {
+ *(t++) = '\\';
+ *(t++) = 'x';
+ *(t++) = *f;
+ state = TEXT;
+ } else
+ state = FIRST;
+
+ break;
+
+ case FIRST: {
+ int d = dehex(*f);
+
+ if (d < 0) {
+ *(t++) = '\\';
+ *(t++) = 'x';
+ *(t++) = *(f-1);
+ *(t++) = *f;
+ } else
+ *(t++) = (char) (c << 4) | d;
+
+ state = TEXT;
+ break;
+ }
+ }
+ }
+
+ switch (state) {
+
+ case TEXT:
+ break;
+
+ case BACKSLASH:
+ *(t++) = '\\';
+ break;
+
+ case EX:
+ *(t++) = '\\';
+ *(t++) = 'x';
+ break;
+
+ case FIRST:
+ *(t++) = '\\';
+ *(t++) = 'x';
+ *(t++) = *(f-1);
+ break;
+ }
+
+ *t = 0;
+
+ pa_proplist_sets(p, prop, r);
+ pa_xfree(r);
+}
+
+int pa_udev_get_info(int card_idx, pa_proplist *p) {
int r = -1;
struct udev *udev;
- struct udev_device *card;
+ struct udev_device *card = NULL;
char *t;
const char *v;
int id;
- pa_assert(core);
pa_assert(p);
pa_assert(card_idx >= 0);
goto finish;
}
- t = pa_sprintf_malloc("%s/class/sound/card%i", udev_get_sys_path(udev), card_idx);
+ t = pa_sprintf_malloc("/sys/class/sound/card%i", card_idx);
card = udev_device_new_from_syspath(udev, t);
pa_xfree(t);
goto finish;
}
+ if (!pa_proplist_contains(p, PA_PROP_DEVICE_BUS_PATH))
+ if (((v = udev_device_get_property_value(card, "ID_PATH")) && *v) ||
+ (v = udev_device_get_devpath(card)))
+ pa_proplist_sets(p, PA_PROP_DEVICE_BUS_PATH, v);
+
+ if (!pa_proplist_contains(p, "sysfs.path"))
+ if ((v = udev_device_get_devpath(card)))
+ pa_proplist_sets(p, "sysfs.path", v);
+
+ if (!pa_proplist_contains(p, "udev.id"))
+ if ((v = udev_device_get_property_value(card, "ID_ID")) && *v)
+ pa_proplist_sets(p, "udev.id", v);
+
if (!pa_proplist_contains(p, PA_PROP_DEVICE_BUS))
if ((v = udev_device_get_property_value(card, "ID_BUS")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_BUS, v);
if (!pa_proplist_contains(p, PA_PROP_DEVICE_VENDOR_ID))
- if ((id = read_id(card, "ID_VENDOR_ID")) > 0 && *v)
+ if ((id = read_id(card, "ID_VENDOR_ID")) > 0)
pa_proplist_setf(p, PA_PROP_DEVICE_VENDOR_ID, "%04x", id);
if (!pa_proplist_contains(p, PA_PROP_DEVICE_VENDOR_NAME)) {
if ((v = udev_device_get_property_value(card, "ID_VENDOR_FROM_DATABASE")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_VENDOR_NAME, v);
+ else if ((v = udev_device_get_property_value(card, "ID_VENDOR_ENC")) && *v)
+ proplist_sets_unescape(p, PA_PROP_DEVICE_VENDOR_NAME, v);
else if ((v = udev_device_get_property_value(card, "ID_VENDOR")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_VENDOR_NAME, v);
}
if (!pa_proplist_contains(p, PA_PROP_DEVICE_PRODUCT_NAME)) {
if ((v = udev_device_get_property_value(card, "ID_MODEL_FROM_DATABASE")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_PRODUCT_NAME, v);
+ else if ((v = udev_device_get_property_value(card, "ID_MODEL_ENC")) && *v)
+ proplist_sets_unescape(p, PA_PROP_DEVICE_PRODUCT_NAME, v);
else if ((v = udev_device_get_property_value(card, "ID_MODEL")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_PRODUCT_NAME, v);
}
if ((v = udev_device_get_property_value(card, "ID_SERIAL")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_SERIAL, v);
+ if (!pa_proplist_contains(p, PA_PROP_DEVICE_CLASS))
+ if ((v = udev_device_get_property_value(card, "SOUND_CLASS")) && *v)
+ pa_proplist_sets(p, PA_PROP_DEVICE_CLASS, v);
+
if (!pa_proplist_contains(p, PA_PROP_DEVICE_FORM_FACTOR))
if ((v = udev_device_get_property_value(card, "SOUND_FORM_FACTOR")) && *v)
pa_proplist_sets(p, PA_PROP_DEVICE_FORM_FACTOR, v);
- if (!pa_proplist_contains(p, PA_PROP_DEVICE_BUS_PATH))
- if ((v = udev_device_get_devpath(card)))
- pa_proplist_sets(p, PA_PROP_DEVICE_BUS_PATH, v);
-
- /* This is normaly not set by th udev rules but may be useful to
+ /* This is normally not set by the udev rules but may be useful to
* allow administrators to overwrite the device description.*/
if (!pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
if ((v = udev_device_get_property_value(card, "SOUND_DESCRIPTION")) && *v)
return r;
}
+
+char* pa_udev_get_property(int card_idx, const char *name) {
+ struct udev *udev;
+ struct udev_device *card = NULL;
+ char *t, *r = NULL;
+ const char *v;
+
+ pa_assert(card_idx >= 0);
+ pa_assert(name);
+
+ if (!(udev = udev_new())) {
+ pa_log_error("Failed to allocate udev context.");
+ goto finish;
+ }
+
+ t = pa_sprintf_malloc("/sys/class/sound/card%i", card_idx);
+ card = udev_device_new_from_syspath(udev, t);
+ pa_xfree(t);
+
+ if (!card) {
+ pa_log_error("Failed to get card object.");
+ goto finish;
+ }
+
+ if ((v = udev_device_get_property_value(card, name)) && *v)
+ r = pa_xstrdup(v);
+
+finish:
+
+ if (card)
+ udev_device_unref(card);
+
+ if (udev)
+ udev_unref(udev);
+
+ return r;
+}