0a85b6f0ab
Lindent changes to comdi driver in staging tree. This patch is followed by the checkpatch.pl error fixes. Did not make them part of this patch as the patch size is already huge. Signed-off-by: Mithlesh Thukral <mithlesh@linsyssoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*
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module/proc.c
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/proc interface for comedi
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COMEDI - Linux Control and Measurement Device Interface
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Copyright (C) 1998 David A. Schleef <ds@schleef.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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This is some serious bloatware.
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Taken from Dave A.'s PCL-711 driver, 'cuz I thought it
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was cool.
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*/
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#define __NO_VERSION__
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#include "comedidev.h"
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#include <linux/proc_fs.h>
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/* #include <linux/string.h> */
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int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
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int *eof, void *data);
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extern struct comedi_driver *comedi_drivers;
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int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
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int *eof, void *data)
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{
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int i;
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int devices_q = 0;
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int l = 0;
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struct comedi_driver *driv;
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l += sprintf(buf + l,
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"comedi version " COMEDI_RELEASE "\n"
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"format string: %s\n",
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"\"%2d: %-20s %-20s %4d\",i,driver_name,board_name,n_subdevices");
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for (i = 0; i < COMEDI_NUM_BOARD_MINORS; i++) {
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struct comedi_device_file_info *dev_file_info =
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comedi_get_device_file_info(i);
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struct comedi_device *dev;
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if (dev_file_info == NULL)
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continue;
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dev = dev_file_info->device;
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if (dev->attached) {
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devices_q = 1;
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l += sprintf(buf + l, "%2d: %-20s %-20s %4d\n",
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i,
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dev->driver->driver_name,
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dev->board_name, dev->n_subdevices);
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}
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}
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if (!devices_q)
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l += sprintf(buf + l, "no devices\n");
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for (driv = comedi_drivers; driv; driv = driv->next) {
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l += sprintf(buf + l, "%s:\n", driv->driver_name);
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for (i = 0; i < driv->num_names; i++) {
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l += sprintf(buf + l, " %s\n",
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*(char **)((char *)driv->board_name +
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i * driv->offset));
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}
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if (!driv->num_names)
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l += sprintf(buf + l, " %s\n", driv->driver_name);
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}
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return l;
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}
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#ifdef CONFIG_PROC_FS
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void comedi_proc_init(void)
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{
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struct proc_dir_entry *comedi_proc;
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comedi_proc = create_proc_entry("comedi", S_IFREG | S_IRUGO, 0);
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if (comedi_proc)
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comedi_proc->read_proc = comedi_read_procmem;
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}
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void comedi_proc_cleanup(void)
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{
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remove_proc_entry("comedi", 0);
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}
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#endif
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