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192a712295
Convert soundbus uevent and sysfs OF node name and device type usage to use printf specifier and helper functions instead of directly accessing the name and type pointers. This will allow the eventual removal of the pointers. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/kernel.h>
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#include <linux/of.h>
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#include <linux/stat.h>
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/* FIX UP */
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#include "soundbus.h"
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static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct soundbus_dev *sdev = to_soundbus_device(dev);
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struct platform_device *of = &sdev->ofdev;
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int length;
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if (*sdev->modalias) {
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strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1);
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strcat(buf, "\n");
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length = strlen(buf);
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} else {
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length = sprintf(buf, "of:N%pOFn%c%s\n",
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of->dev.of_node, 'T',
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of_node_get_device_type(of->dev.of_node));
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}
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return length;
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}
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static DEVICE_ATTR_RO(modalias);
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static ssize_t name_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct soundbus_dev *sdev = to_soundbus_device(dev);
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struct platform_device *of = &sdev->ofdev;
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return sprintf(buf, "%pOFn\n", of->dev.of_node);
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}
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static DEVICE_ATTR_RO(name);
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static ssize_t type_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct soundbus_dev *sdev = to_soundbus_device(dev);
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struct platform_device *of = &sdev->ofdev;
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return sprintf(buf, "%s\n", of_node_get_device_type(of->dev.of_node));
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}
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static DEVICE_ATTR_RO(type);
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struct attribute *soundbus_dev_attrs[] = {
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&dev_attr_name.attr,
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&dev_attr_type.attr,
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&dev_attr_modalias.attr,
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NULL,
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};
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