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/* * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> * * This program 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, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; 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., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * infrastructure for devices connected via I2C */ #include <linux/slab.h> #include "via_aux.h" struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap) { struct via_aux_bus *bus; if (!adap) return NULL; bus = kmalloc(sizeof(*bus), GFP_KERNEL); if (!bus) return NULL; bus->adap = adap; INIT_LIST_HEAD(&bus->drivers); via_aux_edid_probe(bus); via_aux_vt1636_probe(bus); via_aux_vt1632_probe(bus); via_aux_vt1631_probe(bus); via_aux_vt1625_probe(bus); via_aux_vt1622_probe(bus); via_aux_vt1621_probe(bus); via_aux_sii164_probe(bus); via_aux_ch7301_probe(bus); return bus; } void via_aux_free(struct via_aux_bus *bus) { struct via_aux_drv *pos, *n; if (!bus) return; list_for_each_entry_safe(pos, n, &bus->drivers, chain) { if (pos->cleanup) pos->cleanup(pos); list_del(&pos->chain); kfree(pos->data); kfree(pos); } kfree(bus); } const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus) { struct via_aux_drv *pos; const struct fb_videomode *mode = NULL; if (!bus) return NULL; list_for_each_entry(pos, &bus->drivers, chain) { if (pos->get_preferred_mode) mode = pos->get_preferred_mode(pos); } return mode; } |