1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/of.h>
4 #include <linux/stat.h>
5 /* FIX UP */
6 #include "soundbus.h"
7
8 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
9 char *buf)
10 {
11 struct soundbus_dev *sdev = to_soundbus_device(dev);
12 struct platform_device *of = &sdev->ofdev;
13
14 if (*sdev->modalias)
15 return sysfs_emit(buf, "%s\n", sdev->modalias);
16 else
17 return sysfs_emit(buf, "of:N%pOFn%c%s\n",
18 of->dev.of_node, 'T',
19 of_node_get_device_type(of->dev.of_node));
20 }
21 static DEVICE_ATTR_RO(modalias);
22
23 static ssize_t name_show(struct device *dev,
24 struct device_attribute *attr, char *buf)
25 {
26 struct soundbus_dev *sdev = to_soundbus_device(dev);
27 struct platform_device *of = &sdev->ofdev;
28
29 return sysfs_emit(buf, "%pOFn\n", of->dev.of_node);
30 }
31 static DEVICE_ATTR_RO(name);
32
33 static ssize_t type_show(struct device *dev,
34 struct device_attribute *attr, char *buf)
35 {
36 struct soundbus_dev *sdev = to_soundbus_device(dev);
37 struct platform_device *of = &sdev->ofdev;
38
39 return sysfs_emit(buf, "%s\n", of_node_get_device_type(of->dev.of_node));
40 }
41 static DEVICE_ATTR_RO(type);
42
43 struct attribute *soundbus_dev_attrs[] = {
44 &dev_attr_name.attr,
45 &dev_attr_type.attr,
46 &dev_attr_modalias.attr,
47 NULL,
48 };
49
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