linux/drivers/video/fbdev/via/via_aux_vt1622.c

36 lines
676 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
*/
/*
* driver for VIA VT1622(M) Digital TV Encoder
*/
#include <linux/slab.h>
#include "via_aux.h"
static const char *name = "VT1622(M) Digital TV Encoder";
static void probe(struct via_aux_bus *bus, u8 addr)
{
struct via_aux_drv drv = {
.bus = bus,
.addr = addr,
.name = name};
u8 tmp;
if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x03)
return;
printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
via_aux_add(&drv);
}
void via_aux_vt1622_probe(struct via_aux_bus *bus)
{
probe(bus, 0x20);
probe(bus, 0x21);
}