Jonas Larsson | a16fffdd | 2009-03-27 10:18:14 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Merisc sysfs exports |
| 3 | * |
| 4 | * Copyright (C) 2008 Martinsson Elektronik AB |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/list.h> |
| 14 | #include <linux/spinlock.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/sysdev.h> |
| 17 | #include <linux/timer.h> |
| 18 | #include <linux/err.h> |
| 19 | #include <linux/ctype.h> |
| 20 | #include "merisc.h" |
| 21 | |
| 22 | static ssize_t merisc_model_show(struct class *class, char *buf) |
| 23 | { |
| 24 | ssize_t ret = 0; |
| 25 | |
| 26 | sprintf(buf, "%s\n", merisc_model()); |
| 27 | ret = strlen(buf) + 1; |
| 28 | |
| 29 | return ret; |
| 30 | } |
| 31 | |
| 32 | static ssize_t merisc_revision_show(struct class *class, char *buf) |
| 33 | { |
| 34 | ssize_t ret = 0; |
| 35 | |
| 36 | sprintf(buf, "%s\n", merisc_revision()); |
| 37 | ret = strlen(buf) + 1; |
| 38 | |
| 39 | return ret; |
| 40 | } |
| 41 | |
| 42 | static struct class_attribute merisc_class_attrs[] = { |
| 43 | __ATTR(model, S_IRUGO, merisc_model_show, NULL), |
| 44 | __ATTR(revision, S_IRUGO, merisc_revision_show, NULL), |
| 45 | __ATTR_NULL, |
| 46 | }; |
| 47 | |
| 48 | struct class merisc_class = { |
| 49 | .name = "merisc", |
| 50 | .owner = THIS_MODULE, |
| 51 | .class_attrs = merisc_class_attrs, |
| 52 | }; |
| 53 | |
| 54 | static int __init merisc_sysfs_init(void) |
| 55 | { |
| 56 | int status; |
| 57 | |
| 58 | status = class_register(&merisc_class); |
| 59 | if (status < 0) |
| 60 | return status; |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | postcore_initcall(merisc_sysfs_init); |