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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
f3d9478b JB |
2 | #include <linux/kernel.h> |
3 | #include <linux/stat.h> | |
4 | /* FIX UP */ | |
5 | #include "soundbus.h" | |
6 | ||
7 | #define soundbus_config_of_attr(field, format_string) \ | |
8 | static ssize_t \ | |
9 | field##_show (struct device *dev, struct device_attribute *attr, \ | |
10 | char *buf) \ | |
11 | { \ | |
12 | struct soundbus_dev *mdev = to_soundbus_device (dev); \ | |
61c7a080 | 13 | return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \ |
f3d9478b JB |
14 | } |
15 | ||
16 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, | |
17 | char *buf) | |
18 | { | |
19 | struct soundbus_dev *sdev = to_soundbus_device(dev); | |
2dc11581 | 20 | struct platform_device *of = &sdev->ofdev; |
f3d9478b JB |
21 | int length; |
22 | ||
23 | if (*sdev->modalias) { | |
24 | strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1); | |
25 | strcat(buf, "\n"); | |
26 | length = strlen(buf); | |
27 | } else { | |
28 | length = sprintf(buf, "of:N%sT%s\n", | |
61c7a080 | 29 | of->dev.of_node->name, of->dev.of_node->type); |
f3d9478b JB |
30 | } |
31 | ||
32 | return length; | |
33 | } | |
a038b979 | 34 | static DEVICE_ATTR_RO(modalias); |
f3d9478b JB |
35 | |
36 | soundbus_config_of_attr (name, "%s\n"); | |
a038b979 | 37 | static DEVICE_ATTR_RO(name); |
f3d9478b | 38 | soundbus_config_of_attr (type, "%s\n"); |
a038b979 | 39 | static DEVICE_ATTR_RO(type); |
f3d9478b | 40 | |
a038b979 QL |
41 | struct attribute *soundbus_dev_attrs[] = { |
42 | &dev_attr_name.attr, | |
43 | &dev_attr_type.attr, | |
44 | &dev_attr_modalias.attr, | |
45 | NULL, | |
f3d9478b | 46 | }; |