1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2020 Intel Corporation
4//
5// Author: Cezary Rojewski <cezary.rojewski@intel.com>
6//
7
8#include <linux/pm_runtime.h>
9#include "core.h"
10
11static ssize_t fw_version_show(struct device *dev,
12 struct device_attribute *attr, char *buf)
13{
14 struct catpt_dev *cdev = dev_get_drvdata(dev);
15 struct catpt_fw_version version;
16 int ret;
17
18 ret = pm_runtime_resume_and_get(dev: cdev->dev);
19 if (ret)
20 return ret;
21
22 ret = catpt_ipc_get_fw_version(cdev, version: &version);
23
24 pm_runtime_put_autosuspend(dev: cdev->dev);
25
26 if (ret)
27 return CATPT_IPC_ERROR(ret);
28
29 return sysfs_emit(buf, fmt: "%d.%d.%d.%d\n", version.type, version.major,
30 version.minor, version.build);
31}
32static DEVICE_ATTR_RO(fw_version);
33
34static ssize_t fw_info_show(struct device *dev,
35 struct device_attribute *attr, char *buf)
36{
37 struct catpt_dev *cdev = dev_get_drvdata(dev);
38
39 return sysfs_emit(buf, fmt: "%s\n", cdev->ipc.config.fw_info);
40}
41static DEVICE_ATTR_RO(fw_info);
42
43static struct attribute *catpt_attrs[] = {
44 &dev_attr_fw_version.attr,
45 &dev_attr_fw_info.attr,
46 NULL
47};
48
49static const struct attribute_group catpt_attr_group = {
50 .attrs = catpt_attrs,
51};
52
53const struct attribute_group *catpt_attr_groups[] = {
54 &catpt_attr_group,
55 NULL
56};
57

source code of linux/sound/soc/intel/catpt/sysfs.c