sysfs.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2//
 3// Copyright(c) 2021-2024 Intel Corporation
 4//
 5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
 6//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
 7//
 8
 9#include <linux/sysfs.h>
10#include "avs.h"
11
12static ssize_t fw_version_show(struct device *dev, struct device_attribute *attr, char *buf)
13{
14	struct avs_dev *adev = to_avs_dev(dev);
15	struct avs_fw_version *fw_version = &adev->fw_cfg.fw_version;
16
17	return sysfs_emit(buf, "%d.%d.%d.%d\n", fw_version->major, fw_version->minor,
18			  fw_version->hotfix, fw_version->build);
19}
20static DEVICE_ATTR_RO(fw_version);
21
22static struct attribute *avs_fw_attrs[] = {
23	&dev_attr_fw_version.attr,
24	NULL
25};
26
27static const struct attribute_group avs_attr_group = {
28	.name = "avs",
29	.attrs = avs_fw_attrs,
30};
31
32const struct attribute_group *avs_attr_groups[] = {
33	&avs_attr_group,
34	NULL
35};