blob: e0980b5c2cd81c4a628fc3c9b2c4491ea501deea [file] [log] [blame]
Johannes Bergf3d94782006-06-21 15:42:43 +02001#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) \
7static ssize_t \
8field##_show (struct device *dev, struct device_attribute *attr, \
9 char *buf) \
10{ \
11 struct soundbus_dev *mdev = to_soundbus_device (dev); \
Grant Likely61c7a082010-04-13 16:12:29 -070012 return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
Johannes Bergf3d94782006-06-21 15:42:43 +020013}
14
15static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
16 char *buf)
17{
18 struct soundbus_dev *sdev = to_soundbus_device(dev);
Grant Likely2dc11582010-08-06 09:25:50 -060019 struct platform_device *of = &sdev->ofdev;
Johannes Bergf3d94782006-06-21 15:42:43 +020020 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",
Grant Likely61c7a082010-04-13 16:12:29 -070028 of->dev.of_node->name, of->dev.of_node->type);
Johannes Bergf3d94782006-06-21 15:42:43 +020029 }
30
31 return length;
32}
33
34soundbus_config_of_attr (name, "%s\n");
35soundbus_config_of_attr (type, "%s\n");
36
37struct device_attribute soundbus_dev_attrs[] = {
38 __ATTR_RO(name),
39 __ATTR_RO(type),
40 __ATTR_RO(modalias),
41 __ATTR_NULL
42};