diff options
Diffstat (limited to 'drivers/staging/meilhaus/meslist.c')
-rw-r--r-- | drivers/staging/meilhaus/meslist.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/drivers/staging/meilhaus/meslist.c b/drivers/staging/meilhaus/meslist.c deleted file mode 100644 index ce49114df55f..000000000000 --- a/drivers/staging/meilhaus/meslist.c +++ /dev/null @@ -1,173 +0,0 @@ -/** - * @file me_slist.c - * - * @brief Implements the subdevice list class. - * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * @author Guenter Gebhardt - */ - -/* - * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "meerror.h" -#include "medefines.h" - -#include "meslist.h" -#include "medebug.h" - -int me_slist_query_number_subdevices(struct me_slist *slist, int *number) -{ - PDEBUG_LOCKS("called.\n"); - *number = slist->n; - return ME_ERRNO_SUCCESS; -} - -unsigned int me_slist_get_number_subdevices(struct me_slist *slist) -{ - PDEBUG_LOCKS("called.\n"); - return slist->n; -} - -me_subdevice_t *me_slist_get_subdevice(struct me_slist * slist, - unsigned int index) -{ - - struct list_head *pos; - me_subdevice_t *subdevice = NULL; - unsigned int i = 0; - - PDEBUG_LOCKS("called.\n"); - - if (index >= slist->n) { - PERROR("Index out of range.\n"); - return NULL; - } - - list_for_each(pos, &slist->head) { - if (i == index) { - subdevice = list_entry(pos, me_subdevice_t, list); - break; - } - - ++i; - } - - return subdevice; -} - -int me_slist_get_subdevice_by_type(struct me_slist *slist, - unsigned int start_subdevice, - int type, int subtype, int *subdevice) -{ - me_subdevice_t *pos; - int s_type, s_subtype; - unsigned int index = 0; - - PDEBUG_LOCKS("called.\n"); - - if (start_subdevice >= slist->n) { - PERROR("Start index out of range.\n"); - return ME_ERRNO_NOMORE_SUBDEVICE_TYPE; - } - - list_for_each_entry(pos, &slist->head, list) { - if (index < start_subdevice) { // Go forward to start subdevice. - ++index; - continue; - } - - pos->me_subdevice_query_subdevice_type(pos, - &s_type, &s_subtype); - - if (subtype == ME_SUBTYPE_ANY) { - if (s_type == type) - break; - } else { - if ((s_type == type) && (s_subtype == subtype)) - break; - } - - ++index; - } - - if (index >= slist->n) { - return ME_ERRNO_NOMORE_SUBDEVICE_TYPE; - } - - *subdevice = index; - - return ME_ERRNO_SUCCESS; -} - -void me_slist_add_subdevice_tail(struct me_slist *slist, - me_subdevice_t *subdevice) -{ - PDEBUG_LOCKS("called.\n"); - - list_add_tail(&subdevice->list, &slist->head); - ++slist->n; -} - -me_subdevice_t *me_slist_del_subdevice_tail(struct me_slist *slist) -{ - - struct list_head *last; - me_subdevice_t *subdevice; - - PDEBUG_LOCKS("called.\n"); - - if (list_empty(&slist->head)) - return NULL; - - last = slist->head.prev; - - subdevice = list_entry(last, me_subdevice_t, list); - - list_del(last); - - --slist->n; - - return subdevice; -} - -int me_slist_init(me_slist_t *slist) -{ - PDEBUG_LOCKS("called.\n"); - - INIT_LIST_HEAD(&slist->head); - slist->n = 0; - return 0; -} - -void me_slist_deinit(me_slist_t *slist) -{ - - struct list_head *s; - me_subdevice_t *subdevice; - - PDEBUG_LOCKS("called.\n"); - - while (!list_empty(&slist->head)) { - s = slist->head.next; - list_del(s); - subdevice = list_entry(s, me_subdevice_t, list); - subdevice->me_subdevice_destructor(subdevice); - } - - slist->n = 0; -} |