kerneldevice: allow loading port attributes

In addition to loading port and device properties, we now also allow
loading sysfs properties that are assumed to be static (i.e. their
values won't change since loaded the first time).

1 files changed, 54 insertions, 0 deletions

diff --git a/src/kerneldevice/mm-kernel-device.c b/src/kerneldevice/mm-kernel-device.c
index a0717cc2..464a3800 100644
--- a/src/kerneldevice/mm-kernel-device.c
+++ b/src/kerneldevice/mm-kernel-device.c
@@ -277,6 +277,60 @@ mm_kernel_device_get_global_property_as_int_hex (MMKernelDevice *self,
     return ((value && mm_get_uint_from_hex_str (value, &aux)) ? aux : 0);
 }
 
+gboolean
+mm_kernel_device_has_attribute (MMKernelDevice *self,
+                                const gchar    *attribute)
+{
+    g_return_val_if_fail (MM_IS_KERNEL_DEVICE (self), FALSE);
+
+    return (MM_KERNEL_DEVICE_GET_CLASS (self)->has_attribute ?
+            MM_KERNEL_DEVICE_GET_CLASS (self)->has_attribute (self, attribute) :
+            FALSE);
+}
+
+const gchar *
+mm_kernel_device_get_attribute (MMKernelDevice *self,
+                                const gchar    *attribute)
+{
+    g_return_val_if_fail (MM_IS_KERNEL_DEVICE (self), NULL);
+
+    return (MM_KERNEL_DEVICE_GET_CLASS (self)->get_attribute ?
+            MM_KERNEL_DEVICE_GET_CLASS (self)->get_attribute (self, attribute) :
+            NULL);
+}
+
+gboolean
+mm_kernel_device_get_attribute_as_boolean (MMKernelDevice *self,
+                                           const gchar    *attribute)
+{
+    const gchar *value;
+
+    value = mm_kernel_device_get_attribute (self, attribute);
+    return (value && mm_common_get_boolean_from_string (value, NULL));
+}
+
+gint
+mm_kernel_device_get_attribute_as_int (MMKernelDevice *self,
+                                       const gchar    *attribute)
+{
+    const gchar *value;
+    gint         aux;
+
+    value = mm_kernel_device_get_attribute (self, attribute);
+    return ((value && mm_get_int_from_str (value, &aux)) ? aux : 0);
+}
+
+guint
+mm_kernel_device_get_attribute_as_int_hex (MMKernelDevice *self,
+                                           const gchar    *attribute)
+{
+    const gchar *value;
+    guint        aux;
+
+    value = mm_kernel_device_get_attribute (self, attribute);
+    return ((value && mm_get_uint_from_hex_str (value, &aux)) ? aux : 0);
+}
+
 /*****************************************************************************/
 
 static gchar *