Release 4.8 sound/aoa/soundbus/sysfs.c

#include <linux/kernel.h>
#include <linux/stat.h>
/* FIX UP */
#include "soundbus.h"


#define soundbus_config_of_attr(field, format_string)			\
static ssize_t                                                          \
field##_show (struct device *dev, struct device_attribute *attr,        \
              char *buf)                                                \
{                                                                       \
        struct soundbus_dev *mdev = to_soundbus_device (dev);           \
        return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
}



static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
			     char *buf)
{
	struct soundbus_dev *sdev = to_soundbus_device(dev);
	struct platform_device *of = &sdev->ofdev;
	int length;

	if (*sdev->modalias) {
		strlcpy(buf, sdev->modalias, sizeof(sdev->modalias) + 1);
		strcat(buf, "\n");
		length = strlen(buf);
	} else {
		length = sprintf(buf, "of:N%sT%s\n",
				 of->dev.of_node->name, of->dev.of_node->type);
	}

	return length;
}
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johannes berg
johannes berg
108
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1
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7
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2
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115
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static DEVICE_ATTR_RO(modalias);

soundbus_config_of_attr (name, "%s\n");
static DEVICE_ATTR_RO(name);
soundbus_config_of_attr (type, "%s\n");
static DEVICE_ATTR_RO(type);


struct attribute *soundbus_dev_attrs[] = {
	&dev_attr_name.attr,
	&dev_attr_type.attr,
	&dev_attr_modalias.attr,
	NULL,
};
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johannes berg
johannes berg
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quentin lambert
quentin lambert
34
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8
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2
50.00%
Total
192
100.00%
4
100.00%
  
Directory: sound/aoa/soundbus

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