1 #include <linux/kernel.h>
2 #include <linux/stat.h>
3 /* FIX UP */
4 #include "soundbus.h"
5
6 #define soundbus_config_of_attr(field, format_string) \
7 static ssize_t \
8 field##_show (struct device *dev, struct device_attribute *attr, \
9 char *buf) \
10 { \
11 struct soundbus_dev *mdev = to_soundbus_device (dev); \
12 return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
13 }
14
modalias_show(struct device * dev,struct device_attribute * attr,char * buf)15 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
16 char *buf)
17 {
18 struct soundbus_dev *sdev = to_soundbus_device(dev);
19 struct platform_device *of = &sdev->ofdev;
20 int length;
21
22 if (*sdev->modalias) {
23 strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1);
24 strcat(buf, "\n");
25 length = strlen(buf);
26 } else {
27 length = sprintf(buf, "of:N%sT%s\n",
28 of->dev.of_node->name, of->dev.of_node->type);
29 }
30
31 return length;
32 }
33 static DEVICE_ATTR_RO(modalias);
34
35 soundbus_config_of_attr (name, "%s\n");
36 static DEVICE_ATTR_RO(name);
37 soundbus_config_of_attr (type, "%s\n");
38 static DEVICE_ATTR_RO(type);
39
40 struct attribute *soundbus_dev_attrs[] = {
41 &dev_attr_name.attr,
42 &dev_attr_type.attr,
43 &dev_attr_modalias.attr,
44 NULL,
45 };
46