This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / sound / aoa / soundbus / sysfs.c

diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c
new file mode 100644 (file)
index 0000000..f580942
--- /dev/null
+++ b/sound/aoa/soundbus/sysfs.c
@@ -0,0 +1,42 @@
+#include <linux/kernel.h>
+#include <linux/stat.h>
+/* FIX UP */
+#include "soundbus.h"
+
+#define soundbus_config_of_attr(field, format_string)                  \
+static ssize_t                                                         \
+field##_show (struct device *dev, struct device_attribute *attr,       \
+              char *buf)                                               \
+{                                                                      \
+       struct soundbus_dev *mdev = to_soundbus_device (dev);           \
+       return sprintf (buf, format_string, mdev->ofdev.node->field);   \
+}
+
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+                            char *buf)
+{
+       struct soundbus_dev *sdev = to_soundbus_device(dev);
+       struct of_device *of = &sdev->ofdev;
+       int length;
+
+       if (*sdev->modalias) {
+               strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1);
+               strcat(buf, "\n");
+               length = strlen(buf);
+       } else {
+               length = sprintf(buf, "of:N%sT%s\n",
+                                of->node->name, of->node->type);
+       }
+
+       return length;
+}
+
+soundbus_config_of_attr (name, "%s\n");
+soundbus_config_of_attr (type, "%s\n");
+
+struct device_attribute soundbus_dev_attrs[] = {
+       __ATTR_RO(name),
+       __ATTR_RO(type),
+       __ATTR_RO(modalias),
+       __ATTR_NULL
+};