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, fmt: "%s\n" , sdev->modalias); |
16 | else |
17 | return sysfs_emit(buf, fmt: "of:N%pOFn%c%s\n" , |
18 | of->dev.of_node, 'T', |
19 | of_node_get_device_type(np: 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, fmt: "%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, fmt: "%s\n" , of_node_get_device_type(np: 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 | |