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
modalias_show(struct device * dev,struct device_attribute * attr,char * buf)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 int length;
14
15 if (*sdev->modalias) {
16 strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1);
17 strcat(buf, "\n");
18 length = strlen(buf);
19 } else {
20 length = sprintf(buf, "of:N%pOFn%c%s\n",
21 of->dev.of_node, 'T',
22 of_node_get_device_type(of->dev.of_node));
23 }
24
25 return length;
26 }
27 static DEVICE_ATTR_RO(modalias);
28
name_show(struct device * dev,struct device_attribute * attr,char * buf)29 static ssize_t name_show(struct device *dev,
30 struct device_attribute *attr, char *buf)
31 {
32 struct soundbus_dev *sdev = to_soundbus_device(dev);
33 struct platform_device *of = &sdev->ofdev;
34
35 return sprintf(buf, "%pOFn\n", of->dev.of_node);
36 }
37 static DEVICE_ATTR_RO(name);
38
type_show(struct device * dev,struct device_attribute * attr,char * buf)39 static ssize_t type_show(struct device *dev,
40 struct device_attribute *attr, char *buf)
41 {
42 struct soundbus_dev *sdev = to_soundbus_device(dev);
43 struct platform_device *of = &sdev->ofdev;
44
45 return sprintf(buf, "%s\n", of_node_get_device_type(of->dev.of_node));
46 }
47 static DEVICE_ATTR_RO(type);
48
49 struct attribute *soundbus_dev_attrs[] = {
50 &dev_attr_name.attr,
51 &dev_attr_type.attr,
52 &dev_attr_modalias.attr,
53 NULL,
54 };
55