1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2021-2024 Intel Corporation. All rights reserved. 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 12 static 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 } 20 static DEVICE_ATTR_RO(fw_version); 21 22 static struct attribute *avs_fw_attrs[] = { 23 &dev_attr_fw_version.attr, 24 NULL 25 }; 26 27 static const struct attribute_group avs_attr_group = { 28 .name = "avs", 29 .attrs = avs_fw_attrs, 30 }; 31 32 const struct attribute_group *avs_attr_groups[] = { 33 &avs_attr_group, 34 NULL 35 }; 36