2 * Stuff used by all variants of the driver
4 * Copyright (c) 2001 by Stefan Eilers,
5 * Hansjoerg Lipp <hjlipp@web.de>,
6 * Tilman Schmidt <tilman@imap.cc>.
8 * =====================================================================
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 * =====================================================================
17 #include <linux/ctype.h>
19 static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
24 struct cardstate *cs = dev_get_drvdata(dev);
26 spin_lock_irqsave(&cs->lock, flags);
27 ret = sprintf(buf, "%u\n", cs->cidmode);
28 spin_unlock_irqrestore(&cs->lock, flags);
33 static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
34 const char *buf, size_t count)
36 struct cardstate *cs = dev_get_drvdata(dev);
40 value = simple_strtol(buf, &end, 0);
44 if (value < 0 || value > 1)
47 if (mutex_lock_interruptible(&cs->mutex))
48 return -ERESTARTSYS; // FIXME -EINTR?
51 if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE,
54 mutex_unlock(&cs->mutex);
58 gig_dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
59 gigaset_schedule_event(cs);
61 wait_event(cs->waitqueue, !cs->waiting);
63 mutex_unlock(&cs->mutex);
68 static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode);
70 /* free sysfs for device */
71 void gigaset_free_dev_sysfs(struct cardstate *cs)
73 gig_dbg(DEBUG_INIT, "removing sysfs entries");
74 device_remove_file(cs->dev, &dev_attr_cidmode);
77 /* initialize sysfs for device */
78 void gigaset_init_dev_sysfs(struct cardstate *cs)
80 gig_dbg(DEBUG_INIT, "setting up sysfs");
81 device_create_file(cs->dev, &dev_attr_cidmode);