kernel_optimize_test/drivers/video/via/via_aux_vt1621.c

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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.
*/
/*
* driver for VIA VT1621(M) TV Encoder
*/
#include <linux/slab.h>
#include "via_aux.h"
static const char *name = "VT1621(M) TV Encoder";
void via_aux_vt1621_probe(struct via_aux_bus *bus)
{
struct via_aux_drv drv = {
.bus = bus,
.addr = 0x20,
.name = name};
u8 tmp;
if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x02)
return;
printk(KERN_INFO "viafb: Found %s\n", name);
via_aux_add(&drv);
}