LXR linux/sound/soc/intel/catpt/sysfs.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2//
   3// Copyright(c) 2020 Intel Corporation. All rights reserved.
   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        pm_runtime_get_sync(cdev->dev);
  19
  20        ret = catpt_ipc_get_fw_version(cdev, &version);
  21
  22        pm_runtime_mark_last_busy(cdev->dev);
  23        pm_runtime_put_autosuspend(cdev->dev);
  24
  25        if (ret)
  26                return CATPT_IPC_ERROR(ret);
  27
  28        return sprintf(buf, "%d.%d.%d.%d\n", version.type, version.major,
  29                       version.minor, version.build);
  30}
  31static DEVICE_ATTR_RO(fw_version);
  32
  33static ssize_t fw_info_show(struct device *dev,
  34                            struct device_attribute *attr, char *buf)
  35{
  36        struct catpt_dev *cdev = dev_get_drvdata(dev);
  37
  38        return sprintf(buf, "%s\n", cdev->ipc.config.fw_info);
  39}
  40static DEVICE_ATTR_RO(fw_info);
  41
  42static struct attribute *catpt_attrs[] = {
  43        &dev_attr_fw_version.attr,
  44        &dev_attr_fw_info.attr,
  45        NULL
  46};
  47
  48static const struct attribute_group catpt_attr_group = {
  49        .attrs = catpt_attrs,
  50};
  51
  52const struct attribute_group *catpt_attr_groups[] = {
  53        &catpt_attr_group,
  54        NULL
  55};
  56