49 lines · c
1// SPDX-License-Identifier: GPL-2.02#include <linux/kernel.h>3#include <linux/of.h>4#include <linux/stat.h>5/* FIX UP */6#include "soundbus.h"7 8static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,9 char *buf)10{11 struct soundbus_dev *sdev = to_soundbus_device(dev);12 struct platform_device *of = &sdev->ofdev;13 14 if (*sdev->modalias)15 return sysfs_emit(buf, "%s\n", sdev->modalias);16 else17 return sysfs_emit(buf, "of:N%pOFn%c%s\n",18 of->dev.of_node, 'T',19 of_node_get_device_type(of->dev.of_node));20}21static DEVICE_ATTR_RO(modalias);22 23static ssize_t name_show(struct device *dev,24 struct device_attribute *attr, char *buf)25{26 struct soundbus_dev *sdev = to_soundbus_device(dev);27 struct platform_device *of = &sdev->ofdev;28 29 return sysfs_emit(buf, "%pOFn\n", of->dev.of_node);30}31static DEVICE_ATTR_RO(name);32 33static ssize_t type_show(struct device *dev,34 struct device_attribute *attr, char *buf)35{36 struct soundbus_dev *sdev = to_soundbus_device(dev);37 struct platform_device *of = &sdev->ofdev;38 39 return sysfs_emit(buf, "%s\n", of_node_get_device_type(of->dev.of_node));40}41static DEVICE_ATTR_RO(type);42 43struct attribute *soundbus_dev_attrs[] = {44 &dev_attr_name.attr,45 &dev_attr_type.attr,46 &dev_attr_modalias.attr,47 NULL,48};49