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Use ID_VENDOR_ID and ID_MODEL_ID fallbacks

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Some udev subsystems run probers to populate the values, rather than
just the kernel providing the sysfs files. Support reading these too.
This commit is contained in:
Richard Hughes 2022-08-22 13:50:43 +01:00
parent 07ab0a61a2
commit fa2df1eed6
1 changed files with 23 additions and 0 deletions
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23
libfwupdplugin/fu-udev-device.c
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@ -325,6 +325,21 @@ fu_udev_device_probe_serio(FuUdevDevice *self, GError **error)
return TRUE;
}
static guint16
fu_udev_device_get_property_as_uint16(GUdevDevice *udev_device, const gchar *key)
{
const gchar *tmp = g_udev_device_get_property(udev_device, key);
guint64 value = 0;
g_autofree gchar *str = NULL;
if (tmp == NULL)
return 0x0;
str = g_strdup_printf("0x%s", tmp);
if (!fu_strtoull(str, &value, 0x0, G_MAXUINT16, NULL))
return 0x0;
return (guint16)value;
}
static void
fu_udev_device_set_vendor_from_udev_device(FuUdevDevice *self, GUdevDevice *udev_device)
{
@ -336,6 +351,14 @@ fu_udev_device_set_vendor_from_udev_device(FuUdevDevice *self, GUdevDevice *udev
fu_udev_device_get_sysfs_attr_as_uint16(udev_device, "subsystem_vendor");
priv->subsystem_model =
fu_udev_device_get_sysfs_attr_as_uint16(udev_device, "subsystem_device");
/* fallback to properties as udev might be using a subsystem-specific prober */
if (priv->vendor == 0x0)
priv->vendor = fu_udev_device_get_property_as_uint16(udev_device, "ID_VENDOR_ID");
if (priv->model == 0x0)
priv->model = fu_udev_device_get_property_as_uint16(udev_device, "ID_MODEL_ID");
if (priv->revision == 0x0)
priv->revision = fu_udev_device_get_property_as_uint16(udev_device, "ID_REVISION");
}
static void