diff options
Diffstat (limited to 'src/kerneldevice/mm-kernel-device-generic.c')
| -rw-r--r-- | src/kerneldevice/mm-kernel-device-generic.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/kerneldevice/mm-kernel-device-generic.c b/src/kerneldevice/mm-kernel-device-generic.c index 90228f17..b1a3bf97 100644 --- a/src/kerneldevice/mm-kernel-device-generic.c +++ b/src/kerneldevice/mm-kernel-device-generic.c @@ -963,6 +963,41 @@ kernel_device_get_property (MMKernelDevice *self, /*****************************************************************************/ +static gchar * +build_attribute_data_key (const gchar *attribute) +{ + return g_strdup_printf ("ATTR:%s", attribute); +} + +static gboolean +kernel_device_has_attribute (MMKernelDevice *self, + const gchar *attribute) +{ + return has_sysfs_attribute (MM_KERNEL_DEVICE_GENERIC (self)->priv->sysfs_path, attribute); +} + +static const gchar * +kernel_device_get_attribute (MMKernelDevice *_self, + const gchar *attribute) +{ + MMKernelDeviceGeneric *self; + g_autofree gchar *key = NULL; + gchar *value = NULL; + + self = MM_KERNEL_DEVICE_GENERIC (_self); + + key = build_attribute_data_key (attribute); + value = g_object_get_data (G_OBJECT (self), key); + if (!value) { + value = read_sysfs_attribute_as_string (self->priv->sysfs_path, attribute); + if (value) + g_object_set_data_full (G_OBJECT (self), key, value, g_free); + } + return (const gchar *) value; +} + +/*****************************************************************************/ + MMKernelDevice * mm_kernel_device_generic_new_with_rules (MMKernelEventProperties *props, GArray *rules, @@ -1145,6 +1180,8 @@ mm_kernel_device_generic_class_init (MMKernelDeviceGenericClass *klass) kernel_device_class->cmp = kernel_device_cmp; kernel_device_class->has_property = kernel_device_has_property; kernel_device_class->get_property = kernel_device_get_property; + kernel_device_class->has_attribute = kernel_device_has_attribute; + kernel_device_class->get_attribute = kernel_device_get_attribute; /* Device-wide properties are stored per-port in the generic backend */ kernel_device_class->has_global_property = kernel_device_has_property; |