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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 authored by Linus Torvalds on 31 May 2020, 23:49:15 UTC
Linux 5.7
Tip revision: 3d77e6a
via_aux_vt1625.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
 */
/*
 * driver for VIA VT1625(M) HDTV Encoder
 */

#include <linux/slab.h>
#include "via_aux.h"


static const char *name = "VT1625(M) HDTV 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 != 0x50)
		return;

	printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
	via_aux_add(&drv);
}

void via_aux_vt1625_probe(struct via_aux_bus *bus)
{
	probe(bus, 0x20);
	probe(bus, 0x21);
}
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